mirror of
https://github.com/nmap/nmap.git
synced 2025-12-06 20:51:30 +00:00
56 lines
1.0 KiB
Lua
56 lines
1.0 KiB
Lua
id="RealVNC Authentication Bypass (CVE-2006-2369)"
|
|
description="Checks to see if the VNC Server is vulnerable to the RealVNC authentication bypass."
|
|
author = "Brandon Enright <bmenrigh@ucsd.edu>"
|
|
license = "See nmaps COPYING for licence"
|
|
|
|
categories = {"backdoor"}
|
|
|
|
require "shortport"
|
|
|
|
portrule = shortport.port_or_service(5900, "vnc")
|
|
|
|
action = function(host, port)
|
|
local socket = nmap.new_socket()
|
|
local result
|
|
local status = true
|
|
|
|
socket:connect(host.ip, port.number, port.protocol)
|
|
|
|
status, result = socket:receive_lines(1)
|
|
|
|
if (result == "TIMEOUT") then
|
|
socket:close()
|
|
return
|
|
end
|
|
|
|
socket:send("RFB 003.008\n")
|
|
status, result = socket:receive_bytes(2)
|
|
|
|
if (result == "TIMEOUT") then
|
|
socket:close()
|
|
return
|
|
end
|
|
|
|
if (result ~= "\001\002") then
|
|
socket:close()
|
|
return
|
|
end
|
|
|
|
socket:send("\001")
|
|
status, result = socket:receive_bytes(4)
|
|
|
|
if (result == "TIMEOUT") then
|
|
socket:close()
|
|
return
|
|
end
|
|
|
|
if (result ~= "\000\000\000\000") then
|
|
socket:close()
|
|
return
|
|
end
|
|
|
|
socket:close()
|
|
|
|
return "Vulnerable"
|
|
end
|