DIGISOL DG-HR3300 Wireless Router – Cross-Site Scripting brute-force causes DOS | CVE-2018-14027

CVE-2018-14027 : DIGISOL DG-HR3300 Wireless Router

Cross-Site Scripting bruteforce causes DOS

CVE-2018-14027 discovered by ICSS team member Rahul Upadhyay who is our ex-student and presently working as a faculty member with us. It’s an achievement for Indian Cyber Security Solutions. The Exploit details are as follows:

 

Exploit Title: DIGISOL DG-HR3300 Wireless Router – Cross-Site Scripting bruteforce causes DOS

Date: 15-07-2018

CVE: CVE-2018-14027

Author:  Rahul Upadhyay

 

Overview:

Digisol Wireless Wifi Home Router HR-3300 allows XSS via the userid or password parameter to the admin login page. The XSS scripts were passed using Burp Intruder and after almost 9 scripts were passed, the router shut down and connection was lost.

 

Step 1:

 

CVE-2018-14027

 

Step 2:

 

Step 2

 

Step 3:

 

XSS scripts

 

Step 4:

 

Scripts

 

Step 5:

 

Router

 

 

Reproduction Steps:

 

   – Goto your Wifi Router Gateway [i.e: http://192.168.2.1]

   – Open the admin login page.

   – Open BurpSuite start intercept.

   – Brute force the XSS scripts via the userid and password parameter.

   – After 8-9 scripts are passed. The router crashes.

   – only after the router restarts and is allowed to sit idle for 10 minutes does it resume its orginal function.

 

Watch Full Process in Video:

 

 

 

 

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