AES Vulnerability in ASP.NET

RobertKaucher

[security through absurdity]: Vulnerability In .NET AES Implementation Puts ASP.NET Web Sites at Risk

If you don't laugh, you'll have to cry, right?

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earweed

Sounds like something MS should be putting a fix on ASAP.

dynamik

Yea, here's the same technique being demoed with Apache MyFaces: YouTube - Padding Oracle Exploit Tool vs Apache MyFaces

This is the research page: netifera research

That gives you the key, but you also need to do man-in-the-middle, which can prove to be difficult, especially if SSL is being used. If you've already gotten to the point where you've got an SSL proxy going, why not just capture credentials and skip messing around with encrypted session information? I'm on the fence what the genuine impact of this will be. It's very interesting though

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