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TITLE:
Icculus.org Quake3 Engine Two Vulnerabilities

SECUNIA ADVISORY ID:
SA20851

VERIFY ADVISORY:
http://secunia.com/advisories/20851/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, DoS, System access

WHERE:
>From remote

SOFTWARE:
Icculus.org Quake3 Engine (ioquake3)
http://secunia.com/product/10665/

DESCRIPTION:
Luigi Auriemma has reported two vulnerabilities in Icculus.org
Quake3, which can be exploited by malicious people to bypass certain
security restrictions, cause a DoS (Denial of Service), and
potentially to compromise a user's system.

1) An error exists within the Automatic Downloading functionality
when handling filenames of PK3 files sent by the server. 

For more information see #2 in:
SA20401

2) An error exists within the client when handling the list of cvar
variables sent from a server.

For more information see #3 in:
SA20401

The vulnerabilities have been reported in revision 803. Prior
versions may also be affected.

SOLUTION:
Vulnerability #1 has been fixed in revision 804 in the CVS
repositories.
http://svn.icculus.org/quake3?rev=804&view=rev

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/q3cfilevar-adv.txt
http://svn.icculus.org/quake3?rev=804&view=rev

OTHER REFERENCES:
SA20401:
http://secunia.com/advisories/20401/

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