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[security-alerts] Fwd: Squid Proxy Cache Denial of Service in request handling

--This is a forwarded message
From: Amos Jeffries <amos@xxxxxxxxxxxxx>
To: bugtraq@xxxxxxxxxxxxxxxxx <bugtraq@xxxxxxxxxxxxxxxxx>
Date: Wednesday, February 4, 2009, 2:53:04 PM
Subject: Squid Proxy Cache Denial of Service in request handling

===8<==============Original message text===============

       Squid Proxy Cache Security Update Advisory SQUID-2009:1

Advisory ID:            SQUID-2009:1
Date:                   February 02, 2009
Summary:                Denial of service in request processing
Affected versions:      Squid 2.7 -> 2.7.STABLE5,
                         Squid 3.0 -> 3.0.STABLE12,
                         Squid 3.1 ->
Fixed in version:       Squid 2.7.STABLE6, 3.0.STABLE13,


Problem Description:

  Due to an internal error Squid is vulnerable to a denial
  of service attack when processing specially crafted requests.



  This problem allows any client to perform a denial of service
  attack on the Squid service.


Updated Packages:

  This bug is fixed by Squid versions 2.7.STABLE6, 3.0.STABLE13,

  In addition, patches addressing this problem can be found In
  our patch archives:

Squid 2.7:

Squid 3.0:

Squid 3.1:

  If you are using a prepackaged version of Squid then please refer
  to the package vendor for availability information on updated


Determining if your version is vulnerable:

  All Squid-2.7 versions up to, and including 2.7.STABLE5 are

  All Squid-3.0 versions up to and including 3.0.STABLE12 are

  All Squid-3.1 beta versions up to and including are




Contact details for the Squid project:

  For installation / upgrade support on binary packaged versions
  of Squid: Your first point of contact should be your binary
  package vendor.

  If your install and build Squid from the original Squid sources
  then the squid-users@xxxxxxxxxxxxxxx mailing list is your primary
  support point. For subscription details see

  For reporting of non-security bugs in the latest STABLE release
  the squid bugzilla database should be used

  For reporting of security sensitive bugs send an email to the
  squid-bugs@xxxxxxxxxxxxxxx mailing list. It's a closed list
  (though anyone can post) and security related bug reports are
  treated in confidence until the impact has been established.



  The vulnerability was discovered by Joshua Morin, Mikko Varpiola
  and Jukka Taimisto from the CROSS project at Codenomicon Ltd.


Revision history:

  2009-02-02 13:12 GMT Initial version
===8<===========End of original message text===========

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