SARA / Free Tools / KEV / CVE-2014-7169

CVE-2014-7169 on CISA KEV

GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vect

CISA KEV — Actively Exploited

GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

Vendor / Product
— / GNU / Bourne-Again Shell (Bash)
Added to KEV
2022-01-28
BOD 22-01 due
2022-07-28
Ransomware use
Unknown
CVSS / EPSS
— — · EPSS 90.11%

01What CISA says about this vulnerability

GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
na / n/an/a

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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