TLS Chrome compatibility

By
Febna V M
Published on
02 Jul 2018
Vulnerability

The TLS protocol is used to provide privacy and data integrity between two or more communicating computer applications. When secured by TLS, connections between a client and a server have one or more of the following properties:-

  1. The connection is private
  2. Identity of parties can be authenticated
  3. The connection is reliable

Transportation layer came from Secure Socket Layer. A careful configuration of TLS will provide additional privacy-related properties like forward secrecy, prevent discloser of encryption keys etc.

Some of the TLS certificates do not support old Chrome versions.

Impact

The impact include:-

  • Renegotiation attack
  • Downgrade attacks like Logjam and FREAK
  • Cross platform attacks like DROWN
  • BEAST attack
  • Breach attacks
  • POODLE attacks

Mitigation / Precaution

This vulnerability can be fixed by:-

  • Changing the TLS cipher for the users using older versions of Chrome
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Written by
Febna V M
Febna V M
Cyber Security Engineer
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