Jonathan Lindsay has reported a vulnerability in AVG Antivirus, which potentially can be exploited by malicious, local users to gain escalated privileges.

An input validation error within the 0x5348E004 IOCTL handler of the AVG7CORE.SYS device driver and insecure permissions on the device interface can be exploited e.g. to access the affected IOCTL handler and overwrite arbitrary kernel memory.

The vulnerability is reported in AVG7CORE.SYS version 7.5.0.444 included in AVG Free 7.5.446 and AVG Antivirus 7.5.448.

Solution
Update to AVG 7.5 build 476.
Further details available to Secunia VIM customers

Provided and/or discovered by
Jonathan Lindsay, NGSSoftware

Changelog
Further details available to Secunia VIM customers

Deep Links
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