[Full-disclosure] [ GLSA 200703-02 ] SpamAssassin: Long URI Denial of Service

[Raphael Marichez]

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Gentoo Linux Security Advisory                           GLSA 200703-02
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: SpamAssassin: Long URI Denial of Service
      Date: March 02, 2007
      Bugs: #166969
        ID: 200703-02

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Synopsis
========

SpamAssassin is vulnerable to a Denial of Service attack.

Background
==========

SpamAssassin is an extensible email filter used to identify junk email.

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

    -------------------------------------------------------------------
     Package                   /  Vulnerable  /             Unaffected
    -------------------------------------------------------------------
  1  mail-filter/spamassassin       < 3.1.8                   >= 3.1.8

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

SpamAssassin does not correctly handle very long URIs when scanning
emails.

Impact
======

An attacker could cause SpamAssassin to consume large amounts of CPU
and memory resources by sending one or more emails containing very long
URIs.

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-3.1.8"

References
==========

  [ 1 ] CVE-2007-0451
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0451

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

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

  http://security.gentoo.org/glsa/glsa-200703-02.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 at 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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