Session Hijacking Tarun Lall.

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Presentation transcript:

Session Hijacking Tarun Lall

What is Session Hijacking TCP Connection Takeover Takeover of a Web Application Session

State Management HTTP is Stateless Web Applications need state User Logins Shopping Carts

State Management, Cont’d Client Side Server Side Golden Rule of Web Application Security Cookies and Hidden Fields

Reasons for Session Hijacking No Standards for Maintaining State Session Tracking and State information at Client

How to Prevent Session Hijacking Session Identifiers Should Be Unique Session Identifiers Should Not be Guessable Session Identifiers Should Be Independent Session Identifiers Should be Mapped with Client-Side Connections

References Web hacking Attacks and Defense by Stuart McClure, Saumil Shah, Shreeraj Shah http://www.ftponline.com/javapro/2004_01/magazine/columns/proshop/default_pf.aspx http://www.iss.net/security_center/advice/Exploits/TCP/session_hijacking/default.htm http://staff.washington.edu/dittrich/talks/qsm-sec/script.html