Session id in url vulnerability

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Session Fixation Vulnerability in Web-based Applications ... Session Fixation Vulnerability in Web-based Applications ... Session ID in an URL argument A session ID is a unique number that a Web site's server assigns to identify a specific user for the duration of that user's visit (session. The session ID can be stored as a cookie, form field, or URL (Uniform Resource Locator). Some Web servers generate session IDs by simply incrementing static numbers.
 

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Aug 17, 2017 · When first authenticated, the website reveals in the URL a sensitive information “the session ID”. This is a security risk according to OWASP reference. http://owasp-aasvs.readthedocs.io/en/latest/requirement-3.6.html Indeed if an attacker get the session ID it can lead to the vulnerability of session fixation. Mar 08, 2017 · So our first set of Session Management vulnerabilities relates to keeping the session identifier secret: Failure to use a cryptographically strong random value as the session identifier. If a session id value can be predicted, it need not be exposed for an attacker to hijack a session. Failure to protect the confidentiality of the session id ... Apr 09, 2009 · Again, most web application security people will tell you that this technique is fraught with peril. It can lead to session hijacking vulnerabilities (a man-in-the-middle sniffs the session identifier out of the URL) as well as session fixation vulnerabilities (an attacker creates his own session and tricks a victim into using it). When you click on the link it presents the session id as 12345 rather then asking the server to generate a new one. This is called session fixation. Keep in mind even with session.use_trans_sid = 0 this will work as this sets it only not to use url-rewrite.
 

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In computer network security, session fixation attacks attempt to exploit the vulnerability of a system that allows one person to fixate (find or set) another person's session identifier. Most session fixation attacks are web based, and most rely on session identifiers being accepted from URLs ( query string ) or POST data. In other words,the two concerns of maintaining the session and authentication are often coupled. One problem is that, it is easy to make session fixation attacks. In this case an attacker would send a prepared URL with a known session id to the user. If the user clicks this URL and does a login, the attacker would have a session with priviledges. Session IDs are assigned incrementally rather than randomly, enabling an authenticated user to predict subsequent session IDs based on his own session. However, due to the small pool of possible session ID values, brute force guessing attacks are viable and authentication is not necessary.

Phase I or session set-up: In this phase, the attackers set up a legitimate session with the Web application, and obtain their session ID. However, in some cases the established trap session needs to be maintained (kept alive) by repeatedly sending requests referencing it, to avoid idle session time-out. Jan 26, 2017 · One other major vulnerability is described in this section on password parameters in the query (or session IDs in the URL). If a session ID is sent in the URL, it would be very easy for an attacker to get the session.

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Aug 17, 2017 · When first authenticated, the website reveals in the URL a sensitive information “the session ID”. This is a security risk according to OWASP reference. http://owasp-aasvs.readthedocs.io/en/latest/requirement-3.6.html Indeed if an attacker get the session ID it can lead to the vulnerability of session fixation. Session IDs are assigned incrementally rather than randomly, enabling an authenticated user to predict subsequent session IDs based on his own session. However, due to the small pool of possible session ID values, brute force guessing attacks are viable and authentication is not necessary.