GLSA-201404-02 : libproxy: User-assisted execution of arbitrary code

This script is Copyright (C) 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-201404-02
(libproxy: User-assisted execution of arbitrary code)

A boundary error when processing the proxy.pac file could cause a
stack-based buffer overflow.

Impact :

A man-in-the-middle attacker could provide a specially crafted proxy.pac
file on a remote server, possibly resulting in execution of arbitrary
code with the privileges of the process or a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201404-02.xml

Solution :

All libproxy users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/libproxy-0.4.10'

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 73391 ()

Bugtraq ID: 55909

CVE ID: CVE-2012-4504