AOH :: HP Unsorted A :: BU-1493.HTM

AOL 9.5 ActiveX Heap Overflow Vulnerability



AOL 9.5 ActiveX Heap Overflow Vulnerability
AOL 9.5 ActiveX Heap Overflow Vulnerability



Product:

AOL 9.5

Vulnerability:

ActiveX - Heap Overflow

Discussion:

Vulnerability is in Activex Control ("CDDBControl.dll") 
Sending a string to BindToFile() , triggering the vulnerability.
Successful exploits allow remote attackers to execute arbitrary code.

Debugger Results:

(fd0.1274): Access violation - code c0000005 (!!! second chance !!!)
eax=7efefefe ebx=00000000 ecx=0020d7c0 edx=41414141 esi=03465df0 edi=02b82000
eip=10033011 esp=0020cdac ebp=0020ed20 iopl=0         nv up ei pl zr na pe nc

Credits:

Celil 'karak0rsan' Unuver and murderkey
from Hellcode Research

tcc.hellcode.net
forum.hellcode.net

PoC and Original Advisory:

http://tcc.hellcode.net/advisories/hellcode-adv008.txt 


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