Talk

Core-ruption: A Deep Dive into 5G Mobile Network Vulnerability Research

March 19, 11:30 (CAMPUS)

5G networks are becoming the backbone of modern telecommunications, supporting IoT, mobile connectivity, and emergency services. Behind the shiny interfaces and faster speeds lie complex, multi-layered and multi-vendors infrastructures that are ripe for security challenges.

In this presentation, we embark on a journey through our real-world security audits of large-scale 5G infrastructures. We’ll share stories of how we navigated the vast attack surface, covering everything from the radio access network to the core network, and identified vulnerabilities that could be exploited by sophisticated threat actors.

You’ll learn about our approach, combining traditional pentesting techniques with vulnerability research and instinct-driven exploration. We’ll highlight some of the most interesting findings: authentication bypass, RCE, control flow abuse, etc.

We’ll share tales from the field: hardware adventures, unexpected mishaps, and lessons learned. These stories underscore the importance of continuous security assessment in the evolving landscape of 5G, where even simple misconfigurations can lead to significant risks.

Join us for an inside look into the unspoken vulnerabilities of the 5G world.

Speaker

Arthur Naullet

Arthur is a pentester & red teamer at Orange Group’s Security department, working on sensitive assets and affiliates across the organization. Versatile and curious, he enjoys auditing anything intricate, with a particular focus on Active Directory.
Hunting RCE for fun and profits.

Maxime Gautier

Maxime Gautier is a mobile networks security engineer specializing in evaluating and validating the security functions of core network infrastructures. By reversing its components, he is able to analyze complex security mechanisms and uncover hidden vulnerabilities. Aside his main activities, he enjoys participating in CTFs and bug bounty programs.

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