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CWE Reference

CWE-560: Use of umask() with chmod-style Argument | Glexia

CWE-560 (Use of umask() with chmod-style Argument) weakness overview with consequences, detection methods, mitigations, related CVEs and MITRE ATT&CK context.

Release 4.20weaknessDraft

Glexia's Take · Automated analysis

CWE-560: Use of umask() with chmod-style Argument

Use of umask() with chmod-style Argument represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Executive Impact

  • Confidentiality,Integrity,Access Control: Read Files or Directories,Modify Files or Directories,Bypass Protection Mechanism

Developer Pattern

CWE-560 is the kind of defect developers can usually prevent with explicit validation, safer framework defaults, and tests that exercise hostile input or unsafe state transitions.

Automation confidence

high confidence from CWE-560, 4.20.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official CWE Definition

CWE-560: Use of umask() with chmod-style Argument

The product calls umask() with an incorrect argument that is specified as if it is an argument to chmod().

Type
weakness
Abstraction
Variant
Status
Draft
Source
MITRE CWE definition

Developer And Remediation Guidance

How teams prevent and detect this weakness

Causes

  • Missing validation
  • Unsafe defaults
  • Insufficient authorization or memory-safety invariant

Remediation

  • Implementation: Use umask() with the correct argument.

Detection

  • Automated Static Analysis: If you suspect misuse of umask(), you can use grep to spot call instances of umask().

Mappings

Related CVEs, CWEs, and ATT&CK context

Related CWEs

Related CVEs

Related CVE mappings appear after CVE records are cross-indexed.

Open CWE CVE mapping

ATT&CK Relevance

ATT&CK relevance is shown only when reviewed or responsibly inferred.