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Non-root user that (suddenly) has elevated privileges in a specific command (only). [Have I been hacked?] (lemmy.world)
submitted 11 months ago by GustavoM@lemmy.world to c/linux@lemmy.ml
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Title. Long,short story: creating or editing files with nano as my non-root user gives (the file) elevated privileges, like I have ran it w/ sudo or as root. And the (only) "security hole" that I can think of is a nextdns docker container running as root. That aside, its very "overkill" security-wise (cap_drop=ALL, non-root image, security_opt=no_new_privileges, etc.).

It's like someone tried to hack me but gave up halfway. Am I right or wrong to assume this? Just curious.

Thanks in advance.

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[-] Goingdown@sopuli.xyz 8 points 11 months ago

Do you run docker container in privileged mode? https://phoenixnap.com/kb/docker-privileged

And do you run nano inside the container?

Docker container running in privileged mode has root permissions to host filesystem and devices (limited by said restrictions).

this post was submitted on 21 Nov 2023
37 points (89.4% liked)

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