Ubuntu 10.04 LTS / 12.04 LTS / 14.04 LTS : bash vulnerabilities (USN-2364-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Florian Weimer and Todd Sabin discovered that the Bash parser
incorrectly handled memory. An attacker could possibly use this issue
to bypass certain environment restrictions and execute arbitrary code.
(CVE-2014-7186, CVE-2014-7187)

In addition, this update introduces a hardening measure which adds
prefixes and suffixes around environment variable names which contain
shell functions.

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.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 9.0
(CVSS2#E:POC/RL:ND/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 77961 ()

Bugtraq ID: 70152
70154

CVE ID: CVE-2014-7186
CVE-2014-7187

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