Arch Linux: ASA-201601-3 Medium: Gajim Man-In-The-Middle Attack

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/title/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
https://gultsch.de/posts/gajim-roster-push_and-message-interception/
https://bugs.archlinux.org/task/47647