CVE-2014-6271 · netVigilance record NV22-0034

GNU Bourne-Again Shell (Bash) Arbitrary Code Execution

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-07-28 · passed 4 years 1 month ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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

Who is affected

GNU Bourne-Again Shell (Bash). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-78.

Timeline

2022-01-28
Added to CISA KEVExploitation in the wild confirmed by CISA
2022-07-28
CISA remediation deadlinepassed 4 years 1 month ago

Sources

NVD entry for CVE-2014-6271 nvd.nist.gov/vuln/detail/CVE-2014-6271
CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2014-6271