Description: A vulnerability has been reported in Trend Micro's Scan Engine, which can be exploited by malicious, local users to gain escalated privileges.
A boundary error within the 0xa0284403 IOCTL handler of Tmxpflt.sys and insecure permissions on the "\\.\Tmfilter" DOS device interface can be exploited e.g. to cause a buffer overflow via overly long arguments passed to the affected IOCTL handler.
Successful exploitation allows execution of arbitrary code with kernel privileges.
The vulnerability affects all products using the Scan Engine Filter.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution: Update to Scan Engine 8.550-1001 (available via ActiveUpdate servers on October 30, 2007).
Provided and/or discovered by: Rubén Santamarta, reported via iDefense Labs.
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