From: Stefan Cornelius <dercorny@gentoo.org.>
To: gentoo-announce@lists.gentoo.org
Subject: [ GLSA 200603-09 ] SquirrelMail: Cross-site scripting and IMAP command injection
Date: Sun, 12 Mar 2006 15:53:01 +0100
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Gentoo Linux Security Advisory GLSA 200603-09
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http://security.gentoo.org/
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Severity: Low
Title: SquirrelMail: Cross-site scripting and IMAP command
injection
Date: March 12, 2006
Bugs: #123781
ID: 200603-09
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Synopsis
========
SquirrelMail is vulnerable to several cross-site scripting
vulnerabilities and IMAP command injection.
Background
==========
SquirrelMail is a webmail package written in PHP. It supports IMAP and
SMTP protocols.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-client/squirrelmail < 1.4.6 >= 1.4.6
Description
===========
SquirrelMail does not validate the right_frame parameter in
webmail.php, possibly allowing frame replacement or cross-site
scripting (CVE-2006-0188). Martijn Brinkers and Scott Hughes discovered
that MagicHTML fails to handle certain input correctly, potentially
leading to cross-site scripting (only Internet Explorer,
CVE-2006-0195). Vicente Aguilera reported that the
sqimap_mailbox_select function did not strip newlines from the mailbox
or subject parameter, possibly allowing IMAP command injection
(CVE-2006-0377).
Impact
======
By exploiting the cross-site scripting vulnerabilities, an attacker can
execute arbitrary scripts running in the context of the victim's
browser. This could lead to a compromise of the user's webmail account,
cookie theft, etc. A remote attacker could exploit the IMAP command
injection to execute arbitrary IMAP commands on the configured IMAP
server.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All SquirrelMail users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/squirrelmail-1.4.6"
Note: Users with the vhosts USE flag set should manually use
webapp-config to finalize the update.
References
==========
[ 1 ] CVE-2006-0188
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0188
[ 2 ] CVE-2006-0195
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0195
[ 3 ] CVE-2006-0377
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0377
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200603-09.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 2006 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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