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CVE-2014-6271 — GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

provenance: imported · CVE: CVE-2014-6271 · CWE: CWE-78

CVE-2014-6271: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project GNU
Product Bourne-Again Shell (Bash)
Date added 2022-01-28
Due date 2022-07-28
Ransomware campaign use Unknown

Description

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2014-6271

Weakness behind it

CISA records this vulnerability as an instance of CWE-78. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-6271
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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