Friday, March 29, 2019

Scanning for Padding Oracles

As you might have heard, we recently got our paper on padding oracle attacks accepted to the USENIX Security Conference. In this paper, we describe and evaluate a scanning methodology with which we found several padding oracle vulnerabilities in devices from various vendors. In total, we found that 1.83% of the Alexa Top 1 Million have padding oracle vulnerabilities.

Friday, March 22, 2019

Playing with TLS-Attacker

In the last two years, we changed the TLS-Attacker Project quite a lot but kept silent about most changes we implemented. Since we do not have so much time to keep up with the documentation (we are researchers and not developers in the end), we thought about creating a small series on some of our recent changes to the project on this blog.

We hope this gives you an idea on how to use the most recent version (TLS-Attacker 2.8). If you feel like you found a bug, don't hesitate to contact me via GitHub/Mail/Twitter. This post assumes that you have some idea what this is all about. If you have no idea, checkout the original paper from Juraj or our project on GitHub.

TLDR: TLS-Attacker is a framework which allows you to send arbitrary protocol flows.

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