From the course: Ethical Hacking: Session Hijacking

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Stripping SSL to downgrade the session

Stripping SSL to downgrade the session - Linux Tutorial

From the course: Ethical Hacking: Session Hijacking

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Stripping SSL to downgrade the session

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- [Voiceover] One of the weaknesses of a man in the middle attack is that it requires the attacker to use a fake certificate with their public key. Some sites may detect this, and warn that the certificate is invalid. SSL stripping is an attack which is used in the key exchange protocol, and is used to downgrade security for the connection without interfering with the certificate exchange. This is also known as an HTTP downgrade attack. Let's look at what happens when an attacker downgrades the connection. Again, this starts with a man in the middle. The client enters the server URL to connect to, for example, their online banking system. The communications path is being subverted to send that message to the attacker. The attacker takes this message, and sends it on to the server. The server thinks this comes from the real client. The server responds to the attacker with an internet banking log-in page using HTTPS. The attacker modifies that response, changing it to HTTP, and sends it…

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