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

Critical Nessus Plugin ID 77898

Synopsis

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

Description

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.

Solution

Update the affected bash package.

See Also

https://usn.ubuntu.com/2363-2/

Plugin Details

Severity: Critical

ID: 77898

File Name: ubuntu_USN-2363-2.nasl

Version: 1.21

Type: local

Agent: unix

Published: 2014/09/26

Updated: 2019/09/19

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 7.8

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

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

Vulnerability Publication Date: 2014/09/24

Reference Information

CVE: CVE-2014-7169

BID: 70137

USN: 2363-2

IAVA: 2014-A-0142