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Make sudo command not need sudo? (sh.itjust.works)

submitted 5 months ago by [email protected] to c/[email protected]

12 comments fedilink hide all child comments

I would like to set a specific command to not require sudo privileges, is there a way to accomplish this? I know you can add commands to the sudoer file to allow certain commands to be used by non root accounts, so maybe there is something similar for adding commands to allow regular users to use?

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[–] [email protected] 4 points 5 months ago (1 children)

since it can lead to security vulnerabilities.

Most software isn't written to be hardened for that kind of invocation.

Also, IIRC you can also do the same thing with the sgid bit.

goes to check

Yeah.

$ mkdir test
$ cd test
$ cp /bin/id ./
$ ls -ln id
-rwxr-xr-x 1 1000 1000 48144 Jun  6 10:56 id
$ ./id -g
1000
$ sudo chgrp 1001 id 
$ sudo chmod g+s id 
$ ./id -g
1001
$ ./id -gr
1000
$

[–] [email protected] 2 points 5 months ago* (last edited 5 months ago) (1 children)

True, SGID would affect the group it runs as, while SUID affects the user.

You could set up things so that a group has permissions to do what you want, instead of the root user. But then this also depends on the usecase, I'm not sure if having root group permissions would be enough in all cases.

[–] [email protected] 2 points 5 months ago

Thank you both