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A cookie replay attack occurs when an attacker steals a valid cookie of a user, and reuses it to impersonate that user to perform fraudulent or unauthorized transactions/activities.
Yes, If you copy the cookies from the source machine and save in another system, you will be logged in to your gmail account. In case the session is expired in the source machine, then these cookies are of no use. No one can access your gmail account. Yes it is possible.
What is meant by jamming?
jammed; jamming. Definition of jam (Entry 2 of 4) intransitive verb. 1a : to become blocked, wedged, or stuck fast The line jammed and the boat hung useless. b : to become unworkable when a movable part becomes blocked or stuck the gun jammed.
Are there Cookie replay attacks in ASP.NET?
Cookie replay attacks in ASP.NET when using forms authentication. Microsoft ASP.NET 4.5 and earlier versions contain a weakness in the Forms Authentication functionality whereby user sessions are not properly terminated when a user logs out of the session.
The session cookie is reset in the browser. Trying to request the MyAccount page again now fails. Access denied, since no valid FormsAuthentication cookie was sent. Replaying the cookie will succeed. Returns information about your account.
Why is an attacker unable to perform a replay?
In this case, an attacker would be unable to perform the replay because on a new run the session ID would have changed. Session IDs, also known as session tokens, are one mechanism that can be used to help avoid replay attacks. The way of generating a session ID works as follows.
Is there a replay attack for HTTPS requests?
It’s as simple as the classic man in the middle attack. If you trust something in-between your connection to your end-point, you’re at the mercy of the man in the middle. To intercept and replay an HTTPS request (the classic HTTP replay attack), you would have to be able to decrypt the SSL encryption of the traffic AFAIK.