Malicious File Upload- Intex Router N-150 | CVE-2018-12528

-

By- Navina Asrani

Hi Readers,

Recently while tinkering with my wifi router, I was curious to find if it has possible loopholes and vulnerabilities. Curious to explore its functionalities, I started probing with the options.

Title of the Vulnerability:  Malicious File Upload

Vulnerability Class: Firmware Compromise/ File Upload

Technical Details & Description: The firmware allows malicious files to be uploaded without any checking of extensions and allows filed to be uploaded.

CVE ID allocated: - CVE-2018-12528

Product & Service Introduction: InteX Router

Steps to Re-Produce –
1.       Visit the application
2.       Go to the advanced settings post login
3.       Under backup- restore page upload any random file extension and hit go.
4.       Upon the file being upload, the firmware will get rebooted accepting the arbitrary file.
Exploitation Technique: A attacker can upload malicious files to compromise the firmware.
Severity Level: High
Security Risk:
The presence of such a risk can lead to router compromise.
Affected Product Version: Intex Router n150
Solution - Fix & Patch: The application code should be configured to implement extension checking for uploading only configuration extension file.

POCs:




Comments

Post a Comment

Popular posts from this blog

Arbitrary file upload and RCE in Wonder CMS - CVE-2017-14521

-
Image
By- Samrat Das Hi Readers Recently in one of my pentest research, I found a CMS " WonderCMS" hosted in github. Curious to explore its functionalities, I downloaded and set it up in my local system. After fiddling with the source code, I found that it did not have any kind of file upload security mechanism and allowed the user to upload any file type! After reporting it to them, I did not receive any security relevant response, hence decided to publish a blog on this. Title of the Vulnerability:   Arbitrary File Upload Vulnerability Class: Security Misconfiguration Technical Details & Description: The application source code is coded in a way which allows arbitrary file extensions to be uploaded. This leads to uploading of remote shells/ malicious Trojans which can lead to complete system compromise and server takeover. CVE ID allocated :  CVE-2017-14521 Product & Service Introduction: Wonder CMS 2.3.1 WonderCMS is an open source CMS (Content Ma
Read more

Cross Site Request Forgery- Intex Router N-150 | CVE-2018-12529

-
Image
By- Navina Asrani Hi Readers, Recently while tinkering with my wifi router, I was curious to find if it has possible loopholes and vulnerabilities. Curious to explore its functionalities, I started probing with the options. Title of the Vulnerability:   Cross Site Request Forgery Vulnerability Class: Code Execution/ Privilege Escalation Technical Details & Description: The firmware allows malicious request to be executed without verifying source of request. This leads to arbitrary execution with malicious request which will lead to the creation of a privileged user. CVE ID allocated: -  CVE-2018-12529 Product & Service Introduction: Intex Router Steps to Re-Produce – 1.        Visit the application 2.         Go to any router setting modification page and change the values, create a request and observe the lack of CSRF tokens. 3.        Craft an html page with all the details for the built-in admin user creation and host it on a server
Read more

Stored XSS in Wonder CMS- CVE-2017-14522

-
Image
By- Samrat Das Hi Readers Recently in one of my pentest research, I found a CMS " WonderCMS" hosted in github. Curious to explore its functionalities, I downloaded and set it up in my local system. After fiddling with the source code, I found that it did not have any kind of security mechanism to filter any user input and accepted and stored in blindly without any sort of input validation Title of the Vulnerability:   Stored XSS Common Vulnerability Scoring System:  7.0 Vulnerability Class:  Injection Technical Details & Description:  The application source code is coded in a way which allows user input values to be stored and processed by the application. CVE ID allocated :  CVE-2017-14522 Product & Service Introduction:  Wonder CMS 2.3.1 WonderCMS is an open source CMS (Content Management System) built with PHP, jQuery, HTML and CSS (Bootstrap responsive). WonderCMS doesn't require any configuration and can be simply unzipped a
Read more