Replay attacks for HTTPS requests

Posted by MatthewMartin on Stack Overflow See other posts from Stack Overflow or by MatthewMartin
Published on 2010-05-05T01:15:09Z Indexed on 2010/05/05 1:18 UTC
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security

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web-security

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https

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ASP.NET

Let's say a security tester uses a proxy, say Fiddler, and records an HTTPS request using the administrator's credentials-- on replay of the entire request (including session and auth cookies) the security tester is able to succesfully (re)record transactions. The claim is that this is a sign of a CSRF vulnerability.

What would a malicious user have to do to intercept the HTTPS request and replay it? It this a task for script kiddies, well funded military hacking teams or time-traveling-alien technology? Is it really so easy to record the SSL sessions of users and replay them before the tickets expire?

No code in the application currently does anything interesting on HTTP GET, so AFAIK, tricking the admin into clicking a link or loading a image with a malicious URL isn't an issue.

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