#safelinking Articles

[CSR20] HowToHeap - Libc 2.32

HowToHeap was a medium rated challenge during the CyberSecurityRumble 2020 (CSR20) CTF. While not particular difficult, it allowed players to explore a new concept introduced with Libc 2.32: Safe-Linking.

In this writeup we will not only solve a CTF-Challenge, but also take a look at what at this new mitigation technique introduced in the latest glibc.

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