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Although it is relatively rare for a violation of this recommendation to result in a security vulnerability, it can easily result in lost or misinterpreted data.
Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
INT05-C | Medium | Probable | High | P4 | L3 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CodeSonar |
| MISC.NEGCHAR | Negative Character Value | ||||||
| Compass/ROSE |
Can detect violations of this recommendation. In particular, it notes uses of the | |||||||||
| LDRA tool suite |
| 44 S | Enhanced Enforcement | ||||||
| Parasoft C/C++test |
|
|
| SECURITY-13 | Fully implemented | |||||||
| PRQA QA-C |
| 5005 | Fully implemented |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
| SEI CERT C++ Coding Standard | VOID INT05-CPP. Do not use input functions to convert character data if they cannot handle all possible inputs |
| MITRE CWE | CWE-192, Integer coercion error CWE-197, Numeric truncation error |
Bibliography
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