GLSA-201312-01 : GNU C Library: Multiple vulnerabilities

This script is Copyright (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201312-01
(GNU C Library: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in GNU C Library. Please
review the CVE identifiers referenced below for details.

Impact :

A local attacker could trigger vulnerabilities in dynamic library
loader, making it possible to load attacker-controlled shared objects
during execution of setuid/setgid programs to escalate privileges.
A context-dependent attacker could trigger various vulnerabilities in
GNU C Library, including a buffer overflow, leading to execution of
arbitrary code or a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201312-01.xml

Solution :

All GNU C Library users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-libs/glibc-2.15-r3'

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true