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Failing to meet the stated requirements for a replaceable dynamic storage function leads to undefined behavior. The severity of risk depends heavily on the caller of the allocation functions, but in some situations, dereferencing a null pointer can lead to the execution of arbitrary code [Jack 2007, van Sprundel 2006]. The indicated severity is for this more severe case.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
MEM55-CPP | High | Likely | Medium | P18 | L1 |
Automated Detection
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Helix QAC |
| DF4736, DF4737, DF4738, DF4739 | |||||||
| Klocwork |
| CERT.MEM.OVERRIDE.DELETE | |||||||
| Parasoft C/C++test |
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CERT_CPP-MEM55-a | The user defined 'new' operator should throw the 'std::bad_alloc' exception when the allocation fails | ||||||||
| Polyspace Bug Finder |
| CERT C++: MEM55-CPP | Checks for replacement allocation/deallocation functions that do not meet requirements of the Standard (rule fully covered) |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
Bibliography
| [ISO/IEC 14882-2014] | Subclause 17.6.4.8, "Other Functions" Subclause 18.6.1, "Storage Allocation and Deallocation" |
| [Jack 2007] |
| [van Sprundel 2006] |
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