SEI CERT C Coding Standard - Guidelines 50. POSIX (POS)
A category in the Common Weakness Enumeration published by The MITRE Corporation.
Categories in the Common Weakness Enumeration (CWE) group entries based on some common characteristic or attribute.
Weaknesses in this category are related to the rules and recommendations in the POSIX (POS) section of the SEI CERT C Coding Standard.
The software attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded.
The software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
The software does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator.
The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways which may produce resultant weaknesses.
The software incorrectly checks a return value from a function, which prevents the software from detecting errors or exceptional conditions.
The software checks the status of a file or directory before accessing it, which produces a race condition in which the file can be replaced with a link before the acc...
[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES.] Ignoring exceptions and other error conditions may allow an attacker to induce unexpected behavior unnoticed.
The software does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.
The program calls a function that can never be guaranteed to work safely.
CWE entries in this view (graph) are fully or partially eliminated by following the guidance presented in the online wiki that reflects that current rules and recommen...