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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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