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TITLE:
BitDefender Antivirus 2008 "NtOpenProcess()" Hooked Function Denial
of Service

SECUNIA ADVISORY ID:
SA30005

VERIFY ADVISORY:
http://secunia.com/advisories/30005/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

SOFTWARE:
BitDefender Antivirus 2008
http://secunia.com/product/16321/

DESCRIPTION:
Core Security Technologies has reported a vulnerability in
BitDefender Antivirus 2008, which can be exploited by malicious,
local users to cause a DoS (Denial of Service).

The vulnerability is caused due to an input validation error when
handling arguments passed to the hooked SSDT function
"NtOpenProcess()". This can be exploited to cause a DoS by calling
the affected function with specially crafted arguments.

The vulnerability is reported in BitDefender Antivirus 2008 Build
11.0.1. Other versions may also be affected.

SOLUTION:
Fixed via automatic updates.

PROVIDED AND/OR DISCOVERED BY:
Damian Saura, Anibal Sacco, Dario Menichelli, Norberto Kueffner, and
Andres Blanco y Rodrigo Carvalho of Core Security Technologies

ORIGINAL ADVISORY:
CORE-2008-0320:
http://www.coresecurity.com/index.php5?module=ContentMod&action=item&id=2249

BitDefender:
http://kb.bitdefender.com/KB419-en--Security-vulnerability-in-BitDefender-2008.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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