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[ GLSA 200411-34 ] Cyrus IMAP Server: Multiple remote vulnerabilities
From: Thierry Carrez <koon () gentoo org>
Date: Thu, 25 Nov 2004 10:42:00 +0100

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Gentoo Linux Security Advisory                           GLSA 200411-34
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                                            http://security.gentoo.org/
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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-2004-1012, CAN-2004-1013). There are also buffer overflows in the
'imap magic plus' code that are vulnerable to exploitation as well
(CAN-2004-1011, CAN-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
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1011
  [ 2 ] CAN-2004-1012
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1012
  [ 3 ] CAN-2004-1013
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1013
  [ 4 ] 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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