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Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Axivion Bauhaus Suite |
| CertC-DCL39 | Detects composite structures with padding, in particular those passed to trust boundary routines. | ||||||
| Klocwork |
| PORTING.STORAGE.STRUCT PORTING.STRUCT.BOOL | |||||||
| Parasoft C/C++test |
| CERT_C-DCL39-a | A pointer to a structure should not be passed to a function that can copy data to the user space | ||||||
| CERT C: Rule DCL39-C | Checks for information Information leak via structure padding Padding bytes can contain sensitive information(rule partially covered) |
Related Vulnerabilities
Numerous vulnerabilities in the Linux Kernel have resulted from violations of this rule. CVE-2010-4083 describes a vulnerability in which the semctl() system call allows unprivileged users to read uninitialized kernel stack memory because various fields of a semid_ds struct declared on the stack are not altered or zeroed before being copied back to the user.
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