full-disclosure - [ GLSA 200807-14 ] Linux Audit: Buffer overflow

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Message-ID: <48920640.1030500@gentoo.org>
Date: Thu, 31 Jul 2008 20:36:48 +0200
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200807-14 ] Linux Audit: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200807-14
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~                                             http://security.gentoo.org/
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~   Severity: Normal
~      Title: Linux Audit: Buffer overflow
~       Date: July 31, 2008
~       Bugs: #215705
~         ID: 200807-14

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Synopsis
========

A buffer overflow vulnerability in Linux Audit may allow local
attackers to execute arbitrary code.

Background
==========

Linux Audit is a set of userspace utilities for storing and processing
auditing records.

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

~     -------------------------------------------------------------------
~      Package            /  Vulnerable  /                    Unaffected
~     -------------------------------------------------------------------
~   1  sys-process/audit       < 1.7.3                          >= 1.7.3

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

A stack-based buffer overflow has been reported in the
audit_log_user_command() function in the file lib/audit_logging.c when
processing overly long arguments.

Impact
======

A local attacker could execute a specially crafted command on the host
running Linux Audit, possibly resulting in the execution of arbitrary
code with the privileges of the user running Linux Audit.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Linux Audit users should upgrade to the latest version:

~     # emerge --sync
~     # emerge --ask --oneshot --verbose ">=sys-process/audit-1.7.3"

References
==========

~   [ 1 ] CVE-2008-1628
~         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1628

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

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

~   http://security.gentoo.org/glsa/glsa-200807-14.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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

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