All vulnerabilities
CVE-2014-7169

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

GNU Bourne-Again Shell (Bash)
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 28 Jan 2022CISA KEV
Exploit odds (EPSS)99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline28 Jul 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 25 Sep 2014, 01:00 UTCPublishedCVE List
  2. 25 Sep 2014Exploit code publicExploit-DB
  3. 28 Jan 2022Added to CISA KEVCISA KEV

Public exploit code and templates 12

  • Remote exploitBash - 'Shellshock' Environment Variables Command Injection 25 Sep 2014Exploit-DB
  • Webapps exploitBash CGI - 'Shellshock' Remote Command Injection (Metasploit) 6 Oct 2014Exploit-DB
  • Remote exploitCUPS Filter - Bash Environment Variable Code Injection (Metasploit) 29 Oct 2014Exploit-DB
  • Remote exploitGNU Bash - 'Shellshock' Environment Variable Command Injection 25 Sep 2014Exploit-DB
  • Remote exploitGNU Bash - Environment Variable Command Injection (Metasploit) 25 Sep 2014Exploit-DB
  • Remote exploitGNU bash 4.3.11 - Environment Variable dhclient 2 Oct 2014Exploit-DB
  • Webapps exploitIPFire - CGI Web Interface (Authenticated) Bash Environment Variable Code Injection 1 Oct 2014Exploit-DB
  • Webapps exploitKemp Load Master 7.1.16 - Multiple Vulnerabilities 2 Apr 2015Exploit-DB
  • Remote exploitOpenVPN 2.2.29 - 'Shellshock' Remote Command Injection 4 Oct 2014Exploit-DB
  • Webapps exploitPHP < 5.6.2 - 'Shellshock' Safe Mode / disable_functions Bypass / Command Injection 3 Nov 2014Exploit-DB
  • Remote exploitPostfix SMTP 4.2.x < 4.2.48 - 'Shellshock' Remote Command Injection 6 Oct 2014Exploit-DB
  • Remote exploitPure-FTPd - External Authentication Bash Environment Variable Code Injection (Metasploit) 2 Oct 2014Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 10