full-disclosure - [ Positive Technologies ] Defeating Microsoft Windows XP SP2 Heap protection

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Message-ID: <1139760915.20050128174117@ptsecurity.ru>
From: aanisimov at ptsecurity.ru (aanisimov@...ecurity.ru)
Subject: [ Positive Technologies ] Defeating Microsoft
	Windows XP SP2 Heap protection


It was discovered by MaxPatrol team that it is possible to defeat Microsoft? Windows? XP SP2 Heap protection and Data Execution Prevention mechanism.

As a result it is possible to implement:
- Arbitrary memory region write access (smaller or equal to 1016 bytes);
- Arbitrary code execution;
- DEP bypass.

Details are described in the article:

http://www.maxpatrol.com/ptmshorp.asp


-- 
Best regards,
 aanisimov                          mailto:aanisimov@...ecurity.ru