Weakness · High
CWE-560: Use of umask() with chmod-style Argument
What it is
The product calls umask() with an incorrect argument that is specified as if it is an argument to chmod().
- Severity (our rating)
- High
- Likelihood of exploit
- Not rated by MITRE
- Introduced during
- Implementation
- Exploited in the wild
- No CVE in CISA's catalog
What an attacker can do
- Read Files or Directories (Confidentiality, Integrity, Access Control)
- Modify Files or Directories (Confidentiality, Integrity, Access Control)
- Bypass Protection Mechanism (Confidentiality, Integrity, Access Control)
How to prevent it
Implementation
- Use umask() with the correct argument.
How to find it
- Automated Static Analysis. If you suspect misuse of umask(), you can use grep to spot call instances of umask().
H2 Security
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Start freeSource: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.