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glsa-200703-27.txt

Posted on 03 April 2007
Source : packetstormsecurity.org Link

 

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Gentoo Linux Security Advisory GLSA 200703-27
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http://security.gentoo.org/
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Severity: Low
Title: Squid: Denial of Service
Date: March 31, 2007
Bugs: #171681
ID: 200703-27

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Synopsis
========

Squid is affected by a Denial of Service vulnerability.

Background
==========

Squid is a multi-protocol proxy server.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-proxy/squid < 2.6.12 >= 2.6.12

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

Squid incorrectly handles TRACE requests that contain a "Max-Forwards"
header field with value "0" in the clientProcessRequest() function.

Impact
======

A remote attacker can send specially crafted TRACE HTTP requests that
will terminate the child process. A quickly repeated attack will lead
to a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Squid users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-proxy/squid-2.6.12"

References
==========

[ 1 ] CVE-2007-1560
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1560

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

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

http://security.gentoo.org/glsa/glsa-200703-27.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 2007 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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