Ubuntu 14.04 LTS : bash vulnerability (USN-2363-2)

Critical Nessus Plugin ID 77898


The remote Ubuntu host is missing a security-related patch.


USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS package. This update fixes the problem.

We apologize for the inconvenience.

Tavis Ormandy discovered that the security fix for Bash included in USN-2362-1 was incomplete. An attacker could use this issue to bypass certain environment restrictions. (CVE-2014-7169).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected bash package.

Plugin Details

Severity: Critical

ID: 77898

File Name: ubuntu_USN-2363-2.nasl

Version: $Revision: 1.16 $

Type: local

Agent: unix

Published: 2014/09/26

Modified: 2016/08/16

Dependencies: 12634

Risk Information

Risk Factor: Critical


Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:bash, cpe:/o:canonical:ubuntu_linux:14.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/09/25

Exploitable With

Metasploit (Apache mod_cgi Bash Environment Variable Code Injection (Shellshock))

Reference Information

CVE: CVE-2014-7169

BID: 70137

OSVDB: 112004

USN: 2363-2

IAVA: 2014-A-0142