A new security update has been released for Gentoo Linux - Horde IMP: Security bypass. Here the announcement:
Gentoo Linux Security Advisory GLSA 200802-03
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http://security.gentoo.org/
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Severity: Normal
Title: Horde IMP: Security bypass
Date: February 11, 2008
Bugs: #205377
ID: 200802-03
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Synopsis
========
Insufficient checks in Horde may allow a remote attacker to bypass
security restrictions.
Background
==========
Horde IMP provides a web-based access to IMAP and POP3 mailboxes.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/horde-imp < 4.1.6 >= 4.1.6
Description
===========
Ulf Harnhammar, Secunia Research discovered that the "frame" and
"frameset" HTML tags are not properly filtered out. He also reported
that certain HTTP requests are executed without being checked.
Impact
======
A remote attacker could entice a user to open a specially crafted HTML
e-mail, possibly resulting in the deletion of arbitrary e-mail
messages.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Horde IMP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/horde-imp-4.1.6"
References
==========
[ 1 ] CVE-2007-6018
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6018
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200802-03.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 2008 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
