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The improper use of strtok() is likely to result in truncated data, producing unexpected results later in program execution.
Recommendation | Severity | Likelihood |
|---|
Detectable | Repairable | Priority | Level |
|---|---|---|---|
STR06-C |
Medium | Likely |
No |
No |
P6 |
L2 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CodeSonar |
| (customization) | Users who wish to avoid using strtok() entirely can add a custom check for all uses of strtok(). | ||||||
| Compass/ROSE |
5.0
Can detect violations of this rule with CERT C Rule Pack
| Helix QAC |
| C5007 |
| LDRA tool suite |
| 602 S |
Enhanced Enforcement | |||||||||
| Polyspace Bug Finder |
| Checks for string passed to strok() without copying. |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
| SEI CERT C++ |
| Coding Standard | VOID STR06-CPP. Do not assume that strtok() leaves the parse string unchanged |
| MITRE CWE | CWE-464, Addition of data structure sentinel |
Bibliography
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