8/18/2023 0 Comments Session hijacking attack![]() ![]() ![]() Wireshark and Kismet can be used to capture sensitive data packets such as the session ID from the network.Sniffing can be used to hijack a session when there is non-encrypted communication between the web server and the user, and the session ID is being sent in plain text.By trying new values for it, like “user02”, it could be possible to get inside the application without prior authentication. Example: Session ID value is “user01”, which corresponds to the username.Randomness is very important to avoid its prediction. The session ID information for a certain application is normally composed by a string of fixed width.The session token could be compromised in different ways the most common are: Predictable session token The Session Hijacking attack compromises the session token by stealing or predicting a valid session token to gain unauthorized access to the Web Server. like in the URL, in the header of the HTTP requisition as a cookie, in other parts of the header of the HTTP request, or yet in the body of the HTTP requisition.A session token is normally composed of a string of variable width and it could be used in different ways.The most useful method depends on a token that the Web Server sends to the client browser after a successful client authentication. ![]() HTTP communication uses many different TCP connections, the web server needs a method to recognize every user’s connections.The Session Hijacking attack consists of the exploitation of the web session control mechanism, which is normally managed for a session token. ![]()
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