From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200604-09 ] Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service
Date: Fri, 21 Apr 2006 06:41:24 +0200
User-Agent: KMail/1.9.1
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="nextPart1318417.OlLVoHQmFT";
protocol="application/pgp-signature";
micalg=pgp-sha1
Content-Transfer-Encoding: 7bit
Message-Id: <200604210641.30568.jaervosz@gentoo.org.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
--nextPart1318417.OlLVoHQmFT
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200604-09
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service
Date: April 21, 2006
Bugs: #129523
ID: 200604-09
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Cyrus-SASL contains a vulnerability in the DIGEST-MD5 process that
could lead to a Denial of Service.
Background
==========
Cyrus-SASL is an implementation of the Simple Authentication and
Security Layer.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/cyrus-sasl < 2.1.21-r2 >= 2.1.21-r2
Description
===========
Cyrus-SASL contains an unspecified vulnerability in the DIGEST-MD5
process that could lead to a Denial of Service.
Impact
======
An attacker could possibly exploit this vulnerability by sending
specially crafted data stream to the Cyrus-SASL server, resulting in a
Denial of Service even if the attacker is not able to authenticate.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Cyrus-SASL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/cyrus-sasl-2.1.21-r2"
References
==========
[ 1 ] CVE-2006-1721
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1721
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200604-09.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 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
--nextPart1318417.OlLVoHQmFT
Content-Type: application/pgp-signature
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2.2 (GNU/Linux)
iD8DBQBESGJ6zKC5hMHO6rkRAlqYAJ0ZtByaIGdg09vZslY29rFwd+u21ACfSKn+
1nVtkRGcOcS4wQ6fj54k04g=
=N+sM
-----END PGP SIGNATURE-----
--nextPart1318417.OlLVoHQmFT--
