* [gentoo-announce] [ GLSA 200506-17 ] SpamAssassin 3, Vipul's Razor: Denial of Service vulnerability
@ 2005-06-21 5:52 99% Sune Kloppenborg Jeppesen
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From: Sune Kloppenborg Jeppesen @ 2005-06-21 5:52 UTC (permalink / raw
To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts
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Gentoo Linux Security Advisory GLSA 200506-17
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http://security.gentoo.org/
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Severity: Normal
Title: SpamAssassin 3, Vipul's Razor: Denial of Service
vulnerability
Date: June 21, 2005
Bugs: #94722, #95492
ID: 200506-17
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Synopsis
========
SpamAssassin and Vipul's Razor are vulnerable to a Denial of Service
attack when handling certain malformed messages.
Background
==========
SpamAssassin is an extensible email filter which is used to identify
junk email. Vipul's Razor is a client for a distributed, collaborative
spam detection and filtering network.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-filter/spamassassin < 3.0.4 >= 3.0.4
< 3.0.1
2 mail-filter/razor < 2.71 >= 2.71
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
SpamAssassin and Vipul's Razor contain a Denial of Service
vulnerability when handling special misformatted long message headers.
Impact
======
By sending a specially crafted message an attacker could cause a Denial
of Service attack against the SpamAssassin/Vipul's Razor server.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All SpamAssassin users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/spamassassin-3.0.4"
All Vipul's Razor users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/razor-2.71"
References
==========
[ 1 ] CAN-2005-1266
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1266
[ 2 ] SpamAssassin Announcement
http://mail-archives.apache.org/mod_mbox/spamassassin-announce/200506.mbox/%3c17072.35054.586017.822288@proton.pathname.com%3e
[ 3 ] Vipul's Razor Announcement
http://sourceforge.net/mailarchive/forum.php?thread_id=7520323&forum_id=4259
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200506-17.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 2005 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
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