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CVE-2014-3418 - OS Command Injection Infoblox Network Automation
From: Nate Kettlewell <nate () depthsecurity com>
Date: Wed, 9 Jul 2014 14:42:43 +0000

Product: Network Automation, licensed as:

*         NetMRI

*         Switch Port Manager

*         Automation Change Manager

*         Security Device Controller



Vendor: Infoblox

Vulnerable Version(s): 6.4.X.X-6.8.4.X

Tested Version: 6.8.2.11



Vendor Notification: May 12th, 2014

Vendor Patch Availability to Customers: May 16th, 2014 Public Disclosure: July 9th, 2014



Vulnerability Type: OS Command Injection [CWE-78] CVE Reference: CVE-2014-3418 Risk Level: High

CVSSv2 Base Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Solution Status: Solution Available



Discovered and Provided: Nate Kettlewell, Depth Security ( https://www.depthsecurity.com/ )



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Advisory Details:



Depth Security discovered a vulnerability in the Infoblox Network Automation management web interface. This attack does 
not require authentication of any kind.



1) OS Command Injection in Infoblox Network Automation Products: CVE-2014-3418



The vulnerability exists due to insufficient sanitization of user-supplied data in in skipjackUsername POST parameter. 
A remote attacker can inject operating system commands as the root user, and completely compromise the operating system.



The following is the relevant portion of the multipart/form-data POST request to netmri/config/userAdmin/login.tdf



Content-Disposition: form-data; name="skipjackUsername"



admin`ping -n 20 127.0.0.1`



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Solution:



Infoblox immediately released a hotfix to remediate this vulnerability on existing installations 
(v6.X-NETMRI-20710.gpg).

The flaw was corrected in the 6.8.5 release (created expressly for dealing with this issue), and that release has been 
put into manufacturing for new appliances.



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Proof of Concept:



In addition to manual exploitation via the above mentioned vector, proof of concept is provided in the form of a module 
for the metasploit framework.



https://github.com/depthsecurity/NetMRI-2014-3418

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References:



[1] Depth Security Blog - http://blog.depthsecurity.com/2014/07/os-command-injection-in-infoblox-netmri.html  - OS 
Command Injection in NetMRI.

[2] NetMRI - http://www.infoblox.com/products/network-automation/netmri - NetMRI is an Enterprise Network Management 
Appliance.

[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org/ - targeted to developers and security practitioners, CWE 
is a formal list of software weakness types.

[4] NetMRI Metasploit Module - https://github.com/depthsecurity/NetMRI-2014-3418

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