[arch-security] [ASA-201601-3] gajim: man-in-the-middle

[Levente Polyak]

Arch Linux Security Advisory ASA-201601-3
=========================================

Severity: Medium
Date    : 2016-01-09
CVE-ID  : CVE-2015-8688
Package : gajim
Type    : man-in-the-middle
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package gajim before version 0.16.5-1 is vulnerable to
man-in-the-middle.

Resolution
==========

Upgrade to 0.16.5-1.

# pacman -Syu "gajim>=0.16.5-1"

The problem has been fixed upstream in version 0.16.5.

Workaround
==========

None.

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

It was found that gajim doesn't verify the origin of roster pushes thus
allowing third parties to modify the roster. This vulnerability allows
to intercept messages resulting in man-in-the-middle.

Impact
======

A remote attacker is able to intercept messages due to unverified origin
of roster resulting in man-in-the-middle.

References
==========

https://access.redhat.com/security/cve/CVE-2015-8688
http://gultsch.de/gajim_roster_push_and_message_interception.html
https://bugs.archlinux.org/task/47647

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