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[gentoo-announce] [ GLSA 200803-21 ] Sarg: Remote execution of arbitrary code

Posted on 12 March 2008
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 200803-21
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http://security.gentoo.org/
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Severity: Normal
Title: Sarg: Remote execution of arbitrary code
Date: March 12, 2008
Bugs: #212208, #212731
ID: 200803-21

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Synopsis
========
Sarg is vulnerable to the execution of arbitrary code when processed
with untrusted input files.

Background
==========
Sarg (Squid Analysis Report Generator) is a tool that provides many
informations about the Squid web proxy server users activities: time,
sites, traffic, etc.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/sarg < 2.2.5 >= 2.2.5

Description
===========
Sarg doesn't properly check its input for abnormal content when
processing Squid log files.

Impact
======
A remote attacker using a vulnerable Squid as a proxy server or a
reverse-proxy server can inject arbitrary content into the "User-Agent"
HTTP client header, that will be processed by sarg, which will lead to
the execution of arbitrary code, or JavaScript injection, allowing
Cross-Site Scripting attacks and the theft of credentials.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All sarg users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/sarg-2.2.5"

References
==========
[ 1 ] CVE-2008-1167
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1167
[ 2 ] CVE-2008-1168
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1168

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

http://security.gentoo.org/glsa/glsa-200803-21.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
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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