GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability (CVE-2014-7169)
Severity: critical · Patch status: patched · Since 2022-01-28 · CVE-2014-7169
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code. This CVE correctly remediates the vulnerability in CVE-2014-6271. CISA added CVE-2014-7169 to its Known Exploited Vulnerabilities catalog on Jan 28, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jul 28, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
