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

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Message-ID: <S1782549AbVA2Hi2/20050129073837Z+42@mail.yandex.ru>
From: pigrelax at yandex.ru (pigrelax)
Subject: [ Positive Technologies ] Defeating Microsoft
	Windows XP SP2 Heap protection

 cool. Tested on AMD64 with DEP enabled.

-----Original Message-----
From: full-disclosure-bounces@...ts.netsys.com
[mailto:full-disclosure-bounces@...ts.netsys.com] On Behalf Of
aanisimov@...ecurity.ru
Sent: Friday, January 28, 2005 5:41 PM
To: full-disclosure@...ts.netsys.com
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@...ecurity.ru

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