Kingdom: Security Features
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
Key Management: Empty Encryption Key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following uses an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following uses an empty encryption key:
...
encryptionKey = "".
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.abap.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
var encryptionKey:String = "";
var key:ByteArray = Hex.toArray(Hex.fromString(encryptionKey));
...
var aes.ICipher = Crypto.getCipher("aes-cbc", key, padding);
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.actionscript.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code uses an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code uses an empty encryption key:
...
char encryptionKey[] = "";
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Encrypting Your App's Files Apple
[2] Standards Mapping - Common Weakness Enumeration CWE ID 321
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[36] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[37] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.cpp.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
<cfset encryptionKey = "" />
<cfset encryptedMsg = encrypt(msg, encryptionKey, 'AES', 'Hex') />
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.cfml.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, changing the empty encryption key requires a software patch. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, changing the empty encryption key requires a software patch, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
key := []byte("");
block, err := aes.NewCipher(key)
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, changing the empty encryption key requires a software patch, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.golang.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
private static String encryptionKey = "";
byte[] keyBytes = encryptionKey.getBytes();
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
Cipher encryptCipher = Cipher.getInstance("AES");
encryptCipher.init(Cipher.ENCRYPT_MODE, key);
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.semantic.java.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
var crypto = require('crypto');
var encryptionKey = "";
var algorithm = 'aes-256-ctr';
var cipher = crypto.createCipher(algorithm, encryptionKey);
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.javascript.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
CCCrypt(kCCEncrypt,
kCCAlgorithmAES,
kCCOptionPKCS7Padding,
"",
0,
iv,
plaintext,
sizeof(plaintext),
ciphertext,
sizeof(ciphertext),
&numBytesEncrypted);
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Encrypting Your App's Files Apple
[2] Standards Mapping - Common Weakness Enumeration CWE ID 321
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[36] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[37] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.objc.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code initializes an encryption key variable to an empty string.
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code initializes an encryption key variable to an empty string.
...
$encryption_key = '';
$filter = new Zend_Filter_Encrypt($encryption_key);
$filter->setVector('myIV');
$encrypted = $filter->filter('text_to_be_encrypted');
print $encrypted;
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Windows Data Protection Microsoft
[2] Standards Mapping - Common Weakness Enumeration CWE ID 321
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[36] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[37] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.semantic.php.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.sql.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code initializes an encryption key variable to an empty string.
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code initializes an encryption key variable to an empty string.
...
from Crypto.Ciphers import AES
cipher = AES.new("", AES.MODE_CFB, iv)
msg = iv + cipher.encrypt(b'Attack at dawn')
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.python.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code uses a password-based key derivation function with a key length of zero, which produces an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code uses a password-based key derivation function with a key length of zero, which produces an empty encryption key:
require 'openssl'
...
dk = OpenSSL::PKCS5::pbkdf2_hmac_sha1(password, salt, 100000, 0) # returns an empty string
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.ruby.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key. Not only does using an empty encryption key significantly reduce the protection afforded by a good encryption algorithm, but it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
CCCrypt(UInt32(kCCEncrypt),
UInt32(kCCAlgorithmAES128),
UInt32(kCCOptionPKCS7Padding),
"",
0,
iv,
plaintext,
plaintext.length,
ciphertext.mutableBytes,
ciphertext.length,
&numBytesEncrypted)
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the program ships, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Encrypting Your App's Files Apple
[2] Standards Mapping - Common Weakness Enumeration CWE ID 321
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[36] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[37] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.swift.key_management_empty_encryption_key
Abstract
Empty encryption keys can compromise security in a way that is not easy to remedy.
Explanation
It is never a good idea to use an empty encryption key because it significantly reduces the protection afforded by a good encryption algorithm, and it also makes fixing the problem extremely difficult. After the offending code is in production, the empty encryption key cannot be changed without patching the software. If an account that is protected by the empty encryption key is compromised, the owners of the system must choose between security and availability.
Example 1: The following code performs AES encryption using an empty encryption key:
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
Example 1: The following code performs AES encryption using an empty encryption key:
...
Dim encryptionKey As String
Set encryptionKey = ""
Dim AES As New System.Security.Cryptography.RijndaelManaged
On Error GoTo ErrorHandler
AES.Key = System.Text.Encoding.ASCII.GetBytes(encryptionKey)
...
Exit Sub
...
Not only will anyone who has access to the code be able to determine that it uses an empty encryption key, but anyone with even basic cracking techniques is much more likely to successfully decrypt any encrypted data. After the application has shipped, a software patch is required to change the empty encryption key. An employee with access to this information can use it to break into the system. Even if attackers only had access to the application's executable, they could extract evidence of the use of an empty encryption key.
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450, CCI-002478
[9] Standards Mapping - FIPS200 IA
[10] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1), SC-28 Protection of Information at Rest (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection, SC-28 Protection of Information at Rest
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[14] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[15] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[16] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[17] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[18] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6, Requirement 8.3.2
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002010 CAT II, APSC-DV-003100 CAT II, APSC-DV-003310 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.vb.key_management_empty_encryption_key