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[ GLSA 200803-21 ] Sarg: Remote execution of arbitrary code
From: Raphael Marichez <falco () gentoo org>
Date: Wed, 12 Mar 2008 19:59:10 +0100

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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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