DIGISOL DG-BR4000NG – Buffer Overflow | CVE-2018-12706

CVE-2018-12706 : DIGISOL DG-BR4000NG DEVICES HAVE A BUFFER OVERFLOW VIA A LONG AUTHORIZATION HTTP HEADER

CVE-2018-12706 discovered by ICSS team member Adipta Basu who is our ex-student and recently working as a faculty member with us. The CVE of him published on Exploit-DB on 25-06-2018. It’s an achievement for Indian Cyber Security Solutions. The Exploit details are as follows:

 

Exploit TitleDIGISOL DG-BR4000NG – Buffer Overflow

Date24-06-2018

CVECVE-2018-12706

Author: Adipta Basu

 

Overview:

The specified router is vulnerable to Buffer Overflow. This vulnerability is still a zero day, being 24th of June 2018. To exploit the vulnerability, the following steps were taken:

Step 1:

Connect to the Wifi network and open the Gateway. done it by opening 192.168.2.1 .

 

CVE-2018-12706

 

Step 2:

Open BurpSuite and then start the intercept, making the necessary proxy changes to the internet browser. Now load the Go to “General Setup”, then “Wireless” and then “Basic Settings”. Now as the Burp is intercept is on, you will find an Authorization: Basic followed by a string. Now we paste a string consisting of 500 zeros.

 

Burp

 

Now the Router restarts, and even after it restarts, the firmware faces multiple graphical issues.

 

Firmware

 

 

Reproduction steps are mentioned below:

 

– Goto your Wifi Router Gateway [i.e http192.168.2.1]

– Go to — General Setup — Wireless — Basic Settings

– Open BurpSuite

– Reload the Page

– Burp will capture the intercepts.

– Add a string of 500 ì0îs after the Authorization Basic string

– The router will restart.

– Refresh the page, and the whole web interface will be faulty.

 

 

Highest Selling Technical Courses of Indian Cyber Security Solutions:

Certified Ethical Hacker Training in Bhubaneswar

Ethical Hacking Training in Bhubaneswar

Certified Ethical Hacker Training in Bangalore

Ethical Hacking Training in Bangalore

Certified Ethical Hacker Training in Hyderabad

Ethical Hacking Training in Hyderabad

Python Training in Bangalore

Python Training in Hyderabad

Python Training in Bhubaneswar

Microsoft Azure Training in Hyderabad

Microsoft Azure Training in Bangalore

Microsoft Azure Training in Bhubaneswar

Networking Training in Bangalore

Networking Training in Hyderabad

Networking Training in Bhubaneswar

Advance Python Training in Hyderabad

Advance Python Training in Bangalore

Advance Python Training in Bhubaneswar

Amazon Web Services Training in Hyderabad

Amazon Web Services Training in Bangalore

Amazon Web Services Training in Bhubaneswar

Certified Ethical Hacker Certification – C | EH v10

Computer Forensic Training in Kolkata

Summer Training for CSE, IT, BCA & MCA Students 

Network Penetration Testing training

Ethical Hacking  training

Internet Of Things Training

Internet Of Things Training Hyderabad

Embedded System Training

Digital Marketing Training

Machine Learning Training

Python Programming training

Android Training in Bangalore

Android Training in Hyderabad

Android Training in Bhubaneswar

Diploma in Network Security Training

Android Development  training

Secured Coding in Java

Certified Network Penetration Tester 

Diploma in Web Application Security 

Certified Web Application Penetration Tester 

Certified Android Penetration Tester 

Certified Python Programming 

Advance Python Training 

Reverse Engineering Training  

Amazon Web Services Training  

VMware Training 

 

Cybersecurity services that can protect your company:

Web Security | Web Penetration Testing

Network Penetration Testing – NPT

Android App Penetration Testing

Source Web Development

Source Code Review

Android App Development

Digital Marketing Consultancy

Data Recovery

 

Other Location for Online Courses:

Bhubaneswar

Bangalore

Hyderabad

 

 


Show Buttons
Hide Buttons