[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

UNIRAS Brief - 292/06 - Gentoo Linux Security Advisory: GLSA 200604-08 - libapreq2: Denial of Service vulnerability



-----BEGIN PGP SIGNED MESSAGE-----

- ----------------------------------------------------------------------------------
   UNIRAS (UK Govt CERT) Briefing Notice - 292/06 dated 19.04.06  Time: 14:10  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
- ---------------------------------------------------------------------------------- 
  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
- ----------------------------------------------------------------------------------

Title
=====

Gentoo Linux Security Advisory: GLSA 200604-08 - libapreq2: Denial of Service 
vulnerability

Detail
====== 

A vulnerability has been reported in the apreq_parse_headers() and
apreq_parse_urlencoded() functions of Apache2::Request.


- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 200604-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  Severity: Normal
     Title: libapreq2: Denial of Service vulnerability
      Date: April 17, 2006
      Bugs: #128610
        ID: 200604-08

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A vulnerability has been reported in libapreq2 which could lead to a
Denial of Service.

Background
==========

libapreq is a shared library with associated modules for manipulating
client request data via the Apache API.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  www-apache/libapreq2       < 2.07                         >= 2.07

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

A vulnerability has been reported in the apreq_parse_headers() and
apreq_parse_urlencoded() functions of Apache2::Request.

Impact
======

A remote attacker could possibly exploit the vulnerability to cause a
Denial of Service by CPU consumption.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libapreq2 users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apache/libapreq2-2.07"

References
==========

  [ 1 ] CVE-2006-0042
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0042
  [ 2 ] libapreq2 Changes

http://svn.apache.org/viewcvs.cgi/httpd/apreq/tags/v2_07/CHANGES?rev=376998&view=markup

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

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

  http://security.gentoo.org/glsa/glsa-200604-08.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@xxxxxxxxxx or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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/2.0




- ----------------------------------------------------------------------------------

For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
EMail to: uniras@xxxxxxxxxxxx

Office Hours:
Mon - Fri: 08:30 - 17:00 Hrs
Tel: +44 (0) 870 487 0748 Ext 4511
Fax: +44 (0) 870 487 0749

Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 870 487 0748 and follow the prompts

- ----------------------------------------------------------------------------------
UNIRAS wishes to acknowledge the contributions of Gentoo for the information 
contained in this Briefing. 
- ----------------------------------------------------------------------------------
This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the site of the
original source to ensure that you receive the most current information concerning 
that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
- ----------------------------------------------------------------------------------
<End of UNIRAS Briefing>

-----BEGIN PGP SIGNATURE-----
Version: PGP 8.1

iQCVAwUBREY12Ypao72zK539AQHsAAP+KmI+YjQtHNOPDbsxT9Uu+ST3Zrxrlvay
KcSdYLvNdl+IhX1qZI3F4actATpsOcyf/8XuMqxB2Hl9otW2pcu0oyQq4yMw8RjN
I06r1XFWpsXdy+1EYJMmgvZGGZuARxsx2BCFFFzbXcxyRKyvj7HdmuwqozpgaJwT
HGZqXMjXSGA=
=yTrg
-----END PGP SIGNATURE-----


______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________