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TITLE:
DESlock+ Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA31921

VERIFY ADVISORY:
http://secunia.com/advisories/31921/

CRITICAL:
Less critical

IMPACT:
Privilege escalation, DoS

WHERE:
Local system

SOFTWARE:
DESlock+ 3.x
http://secunia.com/advisories/product/17600/

DESCRIPTION:
Some vulnerabilities have been reported in DESlock+, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service) or to potentially gain escalated privileges.

1) Multiple race condition, boundary, and logic errors exist in the
DLMFENC.sys driver. These can be exploited to cause a system crash or
to potentially execute arbitrary code with SYSTEM privileges.   

2) An error in the vdlptokn.sys driver can be exploited to cause a
system crash.

The vulnerabilities are reported in version 3.2.7. Other versions may
also be affected.

SOLUTION:
Restrict local access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
1) mu-b, Digit-Labs
2) alex, NT Internals

ORIGINAL ADVISORY:
1) http://digit-labs.org/files/exploits/deslock-overflow.c
http://digit-labs.org/files/exploits/deslock-probe-race.c
http://digit-labs.org/files/exploits/deslock-probe-read.c
2) http://milw0rm.com/exploits/6515

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