Horde IMP: Security bypass

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200802-03 / horde-imp
Release Date	February 11, 2008
Latest Revision	February 11, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/horde-imp	< 4.1.6	>= 4.1.6	All supported architectures

Related bugreports: #205377

Synopsis

Insufficient checks in Horde may allow a remote attacker to bypass security restrictions.

2. Impact Information

Background

Horde IMP provides a web-based access to IMAP and POP3 mailboxes.

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.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Horde IMP users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/horde-imp-4.1.6"

4. References

CVE-2007-6018

Page updated February 11, 2008

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.