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From: Raphael Marichez <falco@gentoo.org>
To: gentoo-announce@gentoo.org
Cc: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk,
security-alerts@linuxsecurity.com
Subject: [gentoo-announce] [ GLSA 200703-27 ] Squid: Denial of Service
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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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