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Failing to properly close files may allow an attacker to exhaust system resources and can increase the risk that data written into in-memory file buffers will not be flushed in the event of abnormal program termination.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
FIO51-CPP | Medium | Unlikely | Medium | P4 | L3 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CodeSonar |
| ALLOC.LEAK | Leak | ||||||
| Klocwork |
| RH.LEAK |
| Parasoft C/C++test |
|
|
|
| CERT_CPP- |
| FIO51- |
| a | Ensure resources are freed |
| Parasoft Insure++ |
| Runtime detection |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
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This rule supplements FIO42-C. Close files when they are no longer needed.
Bibliography
| [ISO/IEC 14882-2014] | Subclause 27.9.1, "File Streams" |
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