GNU Bash OS Command Injection Vulnerability

CISA Description

GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-027 ; https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23467 ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash ; https://www.ibm.com/support/pages/security-bulletin-update-vulnerabilities-bash-affect-aix-toolbox-linux-applications-cve-2014-6271-cve-2014-6277-cve-2014-6278-cve-2014-7169-cve-2014-7186-and-cve-2014-7187 ; https://nvd.nist.gov/vuln/detail/CVE-2014-6278