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Systemd Announces 'run0' Sudo Alternative

An anonymous reader quotes a report from Foss Outpost: Systemd lead developer Lennart Poettering has posted on Mastodon about their upcoming v256 release of Systemd, which is expected to include a sudo replacement called "run0". The developer talks about the weaknesses of sudo, and how it has a larg...

But most importantly, its SUID binary provides a large attack service according to Lennart: "I personally think that the biggest problem with sudo is the fact it's a SUID binary though -- the big attack surface, the plugins, network access and so on that come after it it just make the key problem worse, but are not in themselves the main issue with sudo. He's saying that sudo is a Unix concept from many decades ago, and a better privilege escalation system should be in place for 2024 security standards: "So, in my ideal world, we'd have an OS entirely without SUID. It also inserts a red dot (unicode ftw) in the window title while you operate with privileges, and drops it afterwards."

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