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Gentoo Linux Security Advisory 201404-02

Gentoo Linux Security Advisory 201404-02
Posted Apr 7, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201404-2 - A buffer overflow in libproxy might allow remote attackers to execute arbitrary code. Versions less than 0.4.10 are affected.

tags | advisory, remote, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2012-4504
SHA-256 | 13c9b943b1ffcfba6bbba3bd40ae7cfa2ece2d10b6a05055367f668057cbd60d

Gentoo Linux Security Advisory 201404-02

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201404-02
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http://security.gentoo.org/
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Severity: Normal
Title: libproxy: User-assisted execution of arbitrary code
Date: April 07, 2014
Bugs: #438146
ID: 201404-02

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Synopsis
========

A buffer overflow in libproxy might allow remote attackers to execute
arbitrary code.

Background
==========

libproxy is a library for automatic proxy configuration management.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libproxy < 0.4.10 >= 0.4.10

Description
===========

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.

Resolution
==========

All libproxy users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libproxy-0.4.10"

References
==========

[ 1 ] CVE-2012-4504
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4504

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

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

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2014 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

--
Mikle Kolyada
Gentoo Linux Developer
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