Finding SSL cipher vulnerabilities

In this recipe, we will learn to use tools to scan for vulnerable SSL ciphers and SSL-related vulnerabilities.

Getting ready

For this recipe, you will require an Internet connection.

How to do it...

  1. Open the terminal and launch the SSLScan tool, as shown in the following screenshot:

    How to do it...

  2. To scan your target using SSLScan, run the following command:
    sslscan demo.testfire.net
    
  3. SSLScan will test the SSL certificate for the all the ciphers it supports. Weak ciphers will be shown in red and yellow. Strong ciphers will be shown in green:
    root@Intrusion-Exploitation:~# sslscan demo.testfire.net
    Version: -static
    OpenSSL 1.0.1m-dev ...

Get Kali Linux Intrusion and Exploitation Cookbook now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.