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 126.96.36.1994 included in AVG Free 7.5.446 and AVG Antivirus 7.5.448.
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