Questions tagged [sudoers]

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Linux access control policies sudoers

I'm learning about linux hardening and I'm creating a sudoers file. My idea is to separate things. There will be a user to see log files, another that can sudo to manage system processes, another for ...
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security difference between sudo make install versus sudo su make install

Is there a security difference between doing sudo make install versus two step sudo su and then typing make install The reason I'm asking is because a security requirement to install some software ...
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1 vote
1 answer
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Shell escaping vs. /etc/sudoers. What's the difference?

I am trying to grasp some basic principles of security in Linux (I used Centos 8.0 and Kali 2020 in the example below). I found that providing you have an account in a particular system that is in the ...
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5 votes
1 answer
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Is explicitly disabling a default in the sudoers file the same as not listing it at all?

I'm reviewing the /etc/sudoers file on a machine in response to CVE-2019-18634, a buffer-overflow vulnerability present in sudo. The bulletin on the sudo.ws website recommends the following mitigation:...
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1 vote
1 answer
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Is it good or bad to use group in sudoers file instead of using aliases?

I have used user groups heavily while designing access control policies. I find user groups very convenient as it's very easy to implement with PAM. Another reason I have organized the users with ...
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