Kingdom: Code Quality
Poor code quality leads to unpredictable behavior. From a user's perspective that often manifests itself as poor usability. For an attacker it provides an opportunity to stress the system in unexpected ways.
Poor Style: Value Never Read
Abstract
The variable's value is assigned but never used, making it a dead store.
Explanation
This variable's value is not used. After the assignment, the variable is either assigned another value or goes out of scope.
Example 1: The following code excerpt assigns to the variable
Example 1: The following code excerpt assigns to the variable
r and then overwrites the value without using it.
r = getName();
r = getNewBuffer(buf);
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 563
[2] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3050 CAT II
[3] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3050 CAT II
[4] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3050 CAT II
[5] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3050 CAT II
[6] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3050 CAT II
[7] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3050 CAT II
[8] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3050 CAT II
desc.structural.cpp.poor_style_value_never_read
Abstract
The variable's value is assigned but never used, making it a dead store.
Explanation
This variable's value is not used. After the assignment, the variable is either assigned another value or goes out of scope.
Example 1: The following code excerpt assigns to the variable
Example 1: The following code excerpt assigns to the variable
r and then overwrites the value without using it.
r = getName();
r = getNewBuffer(buf);
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 563
[2] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3050 CAT II
[3] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3050 CAT II
[4] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3050 CAT II
[5] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3050 CAT II
[6] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3050 CAT II
[7] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3050 CAT II
[8] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3050 CAT II
desc.structural.java.poor_style_value_never_read