bugtraq - Exploiting default exception handler to increase exploit stability on win32

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Message-ID: <20041101190256.2952.qmail@www.securityfocus.com>
Date: 1 Nov 2004 19:02:56 -0000
From: tal zeltzer <tal.zeltzer@...il.com>
To: bugtraq@...urityfocus.com
Subject: Exploiting default exception handler to increase exploit
    stability on win32




Summary:

Every win32 application has a default exception handler which can be abused to increase 
exploit stability in the case of a stack overflow


Impact:

The results of such attack is an exploit with two return addresses

Proof of Concept:

a tutorial And proof of concept code is available at 

http://www.securityforest.com/wiki/index.php/Exploit:_Stack_Overflows_-_Exploiting_default_seh_to_increase_stability

Credit:

Discovered by tal zeltzer.