·= Security Advisory =·

Issue: Local Heap OverFlow Vulnerability
in "Answering Service" of Icq.
Discovered Date: 09/08/2006
Author: Tal Argoni, LegendaryZion. [talargoni at gmail.com]
Product Vendor: http://www.Icq.com

Details:

Icq 2003 client is prone to a Local Heap OverFlow Vulnerability.
The vulnerability exists in "Answering Service" function,
because lack of boundary testing.

Usage:

Open the key: HKLM\Software\Mirabilis\ICQ\ICQPro\DefaultPrefs\Presets
Edit the value: AwayMsg Presets [#]
Add 501 bytes string value.
Open icq.
Change the away to the one you have audit above and the icq client crash.

Tested on Icq 2003b 3916


Thanks,
Tal Argoni, CEH
www.zion-security.com