Exploiting default exception handler to increase exploit stability on win32

[tal zeltzer <tal.zeltzer@xxxxxxxxx>]

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.