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[Full-disclosure] [ GLSA 200705-18 ] PPTPD: Denial of Service attack
From: Sune Kloppenborg Jeppesen <jaervosz_at_nospam>Date: Sun May 20 2007 - 07:38:09 GMT
To: gentoo-announce@gentoo.org
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200705-18
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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
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