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Security vulnerabilities in the Corona–Warn-App or: Next proof of concept

16 June, 2020 | 2 Min Read

One could call it another proof of concept. But due to the importance of this app, this time there is even more relevance in it: This week we tested the Corona–Warn–App and found some Security vulnerabilities. The Corona–Warn–App, which was jointly developed by SAP and Telekom, was not yet released. Since the source code has been public for some time, we examined it with our CodeShield vulnerability analysis. Result: We were able to find two vulnerabilities, one of which was classified as particularly relevant by our analysis.

What did we do with this information?- Public notification

We forwarded the info to SAP before the app was published to give them the opportunity to react promptly. The company followed our analysis and was able to patch the vulnerabilities. SAP promptly replaced the affected library. And they mentioned us on the SAP Product Security Response page accordingly. We are glad that we were able to contribute to the security of the app with CodeShield.

Illustration Corona-App

How do such security vulnerabilities occur?

It is common nowadays for software to be composed of open-source components. Research shows that even most commercial software products comprise up to 90% of open-source code. However, open-source components are also vulnerable to security vulnerabilities, especially if the latest versions are not used. Keeping track of the vulnerabilities and latest open-source software versions is tedious and difficult manually for developers.

How does CodeShield vulnerability analysis work?

We minimize the effort for developers to find and fix security vulnerabilities in used open-source libraries. With our “fingerprinting” technology, that originated from our research, the entire byte code of open-source components is analyzed for security vulnerabilities. This procedure massively increases the analysis quality compared to common analysis methods, which only searches metadata, and also finds hidden vulnerabilities.

CodeShield Scan der Corona-Warn-App

What does the test mean for CodeShield?

After a long development, we are close to the market launch with CodeShield and are conducting tests with a number of companies. The current case of the Corona-Warn-App and the positive feedback from SAP are another part of the proof of concept for us. Would you also like to see or test CodeShield? Check out our product tour to try it yourself!

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