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Home » Security Advisories» Gentoo » Mailutils format string vulnerability

Mailutils format string vulnerability

The imap4d server contains a vulnerability allowing an authenticated user to execute arbitrary code with the privileges of the imap4d process. An authenticated IMAP user could exploit the format string error in imap4d to execute arbitrary code as the imap4d user, which is usually root.

  • Vendor: Gentoo
  • Vendor ID: GLSA 200509-10
  • Date: September 17, 2005


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Gentoo Linux Security Advisory GLSA 200509-10
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http://security.gentoo.org/
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Severity: High
Title: Mailutils: Format string vulnerability in imap4d
Date: September 17, 2005
Bugs: #105458
ID: 200509-10

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Synopsis
========

The imap4d server contains a vulnerability allowing an authenticated
user to execute arbitrary code with the privileges of the imap4d
process.

Background
==========

The GNU Mailutils are a collection of mail-related utilities, including
an IMAP4 server (imap4d).

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-mail/mailutils < 0.6-r2 >= 0.6-r2

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

The imap4d server contains a format string bug in the handling of IMAP
SEARCH requests.

Impact
======

An authenticated IMAP user could exploit the format string error in
imap4d to execute arbitrary code as the imap4d user, which is usually
root.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All GNU Mailutils users should upgrade to the latest available version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/mailutils-0.6-r2"

References
==========

[ 1 ] iDEFENSE 09.09.05 advisory

http://www.idefense.com/application/poi/display?id=303&type=vulnerabilities

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

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

http://security.gentoo.org/glsa/glsa-200509-10.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
[email protected] 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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