'Critical' vulnerability in OpenSSH uncovered, affects almost all Linux systems
'Critical' vulnerability in OpenSSH uncovered, affects almost all Linux systems
Researchers at the Qualys Threat Research Unit (TRU) have unearthed discovered a critical security flaw in OpenSSH's server (sshd) in glibc-based Linux systems.
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Maybe it is time to move to something new
Also why does sshd run as root. I deal like ssh could use some least privilege
When you log in to an ssh terminal for a shell, it has to launch the shell process as the desired user. Needs to be root to do that.
SSH has been around a long time. It's not perfect, but it's mostly validated. Anything new won't have that history.
Can't it use built in OS mechanisms for that? Surely you could figure out a way to only give it permissions it needs. Maybe break it up into two separate processes.
That just sounds like root with extra steps (trying to implement OS security policies in a remote terminal utility)
Preliminary note: OpenSSH is one of the most secure software in the world; this vulnerability is one slip-up in an otherwise near-flawless implementation. Its defense-in-depth design and code are a model and an inspiration, and we thank OpenSSH's developers for their exemplary work.
Root because it use port 22. I think anything lower than port 1024 requires it. But if this is true, then you can try change the port it is listening to something higher than that.