From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200705-18 ] PPTPD: Denial of Service attack
Date: Sun, 20 May 2007 09:38:09 +0200
User-Agent: KMail/1.9.5
Cc: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk,
security-alerts@linuxsecurity.com
Organization: Gentoo Linux Security Team
X-GPG-Key: http://home.coming.dk/skj.pub.gpg
MIME-Version: 1.0
Content-Type: multipart/signed;
boundary="nextPart1438607.pGkkd9lYxt";
protocol="application/pgp-signature";
micalg=pgp-sha1
Content-Transfer-Encoding: 7bit
Message-Id: <200705200938.16266.jaervosz@gentoo.org.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
--nextPart1438607.pGkkd9lYxt
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200705-18
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: PPTPD: Denial of Service attack
Date: May 20, 2007
Bugs: #176936
ID: 200705-18
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
A vulnerability has been reported in PPTPD which could lead to a Denial
of Service.
Background
==========
PPTPD is a Point-to-Point Tunnelling Protocol Daemon for Linux.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dialup/pptpd < 1.3.4 >= 1.3.4
Description
===========
James Cameron from HP has reported a vulnerability in PPTPD caused by
malformed GRE packets.
Impact
======
A remote attacker could exploit this vulnerability to cause a Denial of
Service on the PPTPD connection.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All PPTPD users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/pptpd-1.3.4"
References
==========
[ 1 ] CVE-2007-0244
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0244
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200705-18.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
--nextPart1438607.pGkkd9lYxt
Content-Type: application/pgp-signature
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
iD8DBQBGT/rozKC5hMHO6rkRAmKzAKCNNNKiENYJZVD5aMQIQhn03GYjFACdGw32
4zqxQfUJRi8/+jI11rl0hq8=
=VMZF
-----END PGP SIGNATURE-----
--nextPart1438607.pGkkd9lYxt--
