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TITLE:
avast! Home/Professional "aswMon" Privilege Escalation

SECUNIA ADVISORY ID:
SA36442

VERIFY ADVISORY:
http://secunia.com/advisories/36442/

DESCRIPTION:
Heurs has reported a vulnerability in avast! Home/Professional, which
can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to an error in the "aswMon" kernel
driver when processing IOCTLs. This can be exploited to execute
arbitrary code in kernel space via a specially crafted IOCTL.

The vulnerability is reported in avast! Professional version
4.8.1335. Other versions may also be affected.

SOLUTION:
Restrict local access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Heurs

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/9492

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Definitions: (Criticality, Where etc.)
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