How OpenBSD and Linux Mitigate Security Bugs

Jonathan MathewsPublic

At the upcoming Open Source Summit Europe + ELC Europe 2017, to be held in Prague, Czech Republic, Giovanni Bechis will be delivering a talk focused on tools that help improve software security by blocking unwanted syscalls.

Bechis is CEO and DevOps engineer at SNB s.r.l., a hosting provider and develops web applications based on Linux/BSD operating systems that is mainly focused on integrating web applications with legacy softwares. In this interview, Bechis explained more about his approach to software security. What’s the focus of your talk?

Giovanni Bechis: The talk will focus on two similar solutions implemented in Linux and OpenBSD kernels, designed to prevent a program from calling syscalls they should not call to improve security of software.

In both kernels (Linux and OpenBSD), unwanted syscalls can be blocked and the offending program terminated, but there are some differences between Linux and OpenBSD’s solution of the problem.

During my talk, I will analyze the differences between two similar techniques that are present in Linux and OpenBSD kernels that are used to mitigate security bugs (that could be used to attack  software and escalate privileges on a machine). Who should attend?

Bechis: The scope of the talk is to teach developers how they can develop better and more secure software by adding just few lines to their code. The target audience is mainly developers interested in securing applications.

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