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Understanding how to represent characters and character strings can eliminate many common programming errors that lead to software vulnerabilities.
Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
STR00-C | Medium | Probable | Low | P12 | L1 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Astrée |
| Supported indirectly via MISRA C:2004 rule 6.1 and MISRA C:2012 rule 10.1. | |||||||
| CodeSonar |
| MISC.NEGCHAR | Negative Character Value | ||||||
| LDRA tool suite |
| 329 S, 432 S | Fully implemented | ||||||
| Parasoft C/C++test |
| CERT_C-STR00-a | The plain char type shall be used only for the storage and use of character values | ||||||
| RuleChecker |
| Supported indirectly via MISRA C:2004 rule 6.1 and MISRA C:2012 rule 10.1. | |||||||
| SonarQube C/C++ Plugin |
| S810 |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
Bibliography
| [ISO/IEC 9899:2011] | Subclause 6.2.6, "Representations of Types" |
| [Seacord 2013] | Chapter 2, "Strings" |
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