iDefense Security Advisory 08.20.07 - Remote exploitation of buffer overflow vulnerability in Trend Micro Inc.'s SSAPI Engine could allow attackers to execute arbitrary code with system level privileges. Trend Micro products which include the VST functionality are vulnerable to a stack-based buffer overflow in the vstlib32.dll library. This overflow is triggered when an attacker creates a file on the local file system with an overly long path. When vstlib32 receives the ReadDirectoryChangesW callback notification from the Operating System, a stack based buffer overflow will occur. iDefense confirmed the existence of this vulnerability in vstlib32.dll version 1.2.0.1012. This file is known to be included in several of Trend Micro's products such as PC-Cillin Internet Security 2007 and their AntiSpyware products.
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