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RE: [Full-Disclosure] [ Positive Technologies ] Defeating Microsoft Windows XP SP2 Heap protection

 cool. Tested on AMD64 with DEP enabled.

-----Original Message-----
From: full-disclosure-bounces@xxxxxxxxxxxxxxxx
[mailto:full-disclosure-bounces@xxxxxxxxxxxxxxxx] On Behalf Of
aanisimov@xxxxxxxxxxxxx
Sent: Friday, January 28, 2005 5:41 PM
To: full-disclosure@xxxxxxxxxxxxxxxx
Subject: [Full-Disclosure] [ Positive Technologies ] Defeating
MicrosoftWindows XP SP2 Heap protection


It was discovered by MaxPatrol team that it is possible to defeat MicrosoftR
WindowsR 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@xxxxxxxxxxxxx

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Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html