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Home arrow SecurityAlert Database

Arrow  Topic :

UPDATE: Files and cvars overwriting in Quake 3 engine (1.32c / rev 803 / ...)


Arrow  SecurityAlert : 1171
Arrow  CVE : CVE-2006-3325
Arrow  CVE : CVE-2006-3324
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : No
Arrow  Credit : Luigi Auriemma (aluigi autistici org)
Arrow  Published : 03.07.2006

Arrow  Affected Software : Quake 3 engine 1.32c rev 803



Arrow  Advisory Content :  

A small correction:

The cd-key stealing is not possible since the master server address is
built-in in the client code.
Sorry for this wrong info, I added it almost two weeks ago while taking
note of the possible ways for exploitating these bugs and forgot to
recheck this method.

I have updated the proof-of-concept simply adding the cl_allowdownload
cvar, so is no longer needed to enable "Automatic Downloading" on the
client since any client with this option disabled or enabled will start
to overwrite any file in the system decided by the server of the attacker
which has full control over the client's cvars (those write protected
too, just like fs_homepath).

As already said the PoC is very very basic, relaunch the server or
change map if you want to re-overwrite the same file on the same client
(useless info, I tell you only in case you are not able to re-overwrite
the same file during the same server session and don't know why).

BYEZ

---
Luigi Auriemma
http://aluigi.org
http://mirror.aluigi.org




Arrow  Feedback :

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