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Gentoo Linux Security Advisory                           GLSA 200411-34
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  Severity: High
     Title: Cyrus IMAP Server: Multiple remote vulnerabilities
      Date: November 25, 2004
      Bugs: #72194
        ID: 200411-34

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Synopsis
========

The Cyrus IMAP Server contains multiple vulnerabilities which could
lead to remote execution of arbitrary code.

Background
==========

The Cyrus IMAP Server is an efficient, highly-scalable IMAP e-mail
server.

Affected packages
=================

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  net-mail/cyrus-imapd      < 2.2.10                      >= 2.2.10

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

Multiple vulnerabilities have been discovered in the argument parsers
of the 'partial' and 'fetch' commands of the Cyrus IMAP Server
(CAN-2004-1012CAN-2004-1013). There are also buffer overflows in the
'imap magic plus' code that are vulnerable to exploitation as well
(CAN-2004-1011CAN-2004-1015).

Impact
======

An attacker can exploit these vulnerabilities to execute arbitrary code
with the rights of the user running the Cyrus IMAP Server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Cyrus-IMAP Server users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-mail/cyrus-imapd-2.2.10"

References
==========

  [ 1 ] CAN-2004-1011
        CAN-2004-1011">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1011
  [ 2 ] CAN-2004-1012
        CAN-2004-1012">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1012
  [ 3 ] CAN-2004-1013
        CAN-2004-1013">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1013
  [ 4 ] CAN-2004-1015
        CAN-2004-1015">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1015
  [ 5 ] e-matters Advisory
        http://security.e-matters.de/advisories/152004.html
  [ 6 ] Cyrus IMAP Server ChangeLog
        http://asg.web.cmu.edu/cyrus/download/imapd/changes.html

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

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

  http://security.gentoo.org/glsa/glsa-200411-34.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 2004 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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