CVE-2014-7169 Official NVD Security Advisory (CVSS 9.8)
Executive & SecOps Summary
SECOPS ASSESSMENTImpacted configurations listed under CVE-2014-7169
GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variabl...
Review official patches and verify network isolation controls.
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUNDApply the latest security updates provided by the official software maintainers.
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Technical Root Cause & Exploitation Mechanics
Official NVD Technical Description
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, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271.
- CVSS Score: 9.8 (CRITICAL)
- CWE IDs: CWE-78, CWE-78
Official Vendor Advisories & References
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, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271.
Frequently Asked SecOps Questions (CVE-2014-7169)
FAQQ1. How critical is CVE-2014-7169 and is it actively exploited in the wild?
CVE-2014-7169 is rated CVSS 9.8 (CRITICAL) with a 30-day EPSS exploitation probability of 99.9%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2014-7169?
Primary impacted vendors include security-advisory across software. Scope summary: Refer to official NVD CPE configuration entries
Q3. What temporary mitigations or workarounds exist for CVE-2014-7169 before patching?
[Mitigation] Review official patches and verify network isolation controls. Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
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