"/etc/sudoers is world writable" on Mac OS X Mavericks

Question

Currently, I am working on an OSX Maverick, and I can't use sudo command in Terminal.

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My-Mac:~ phucnd$ sudo

sudo: /etc/sudoers is world writable

sudo: no valid sudoers sources found, quitting.

How can i fix it ?

Hsu

can you do ls -al /etc/sudoers;id and give us the output? You may need to do man chmod to learn how to change the permissions on files. If the file isn't owned by you, you may need to find another way to login as root to change the permissions on the file. – Inutility

Answer 1

Open Disk Utility, select you disk and click "Repair Disk Permissions"

Hyacinthe

2022: Using "First aid" worked for me – Apostasy

Answer 2

Finder → Go → Go to folder:

and enter /etc/sudoers and push Go button.

Right click on the sudoers and change ther permission.

Apennines

The following file permissions worked for me: System: Read & Write Wheel: Read Only Everyone: Read Only – Genesisgenet

Answer 3

1.Enable root user:
System Preferences -> Users&Groups -> Login options -> Network Account Server -> Join -> Open Directory Utility -> Edit(menu) -> Enable Root User

2.switch to root,change /etc/sudoers permissions
$su
$chmod 440 /etc/sudoers

Reasonless

Great trick; thanks! – Digged

Answer 4

Finder -> Go -> Go to folder

and enter /etc/sudoers and push Go button. Right click on the sudoers -> click on get info -> change permission to: System: Read & Write Wheel: Read Only Everyone: Read Only

Lock it and open a terminal and try again.

All the best!

General

Answer 5

Just use these commands below under any terminal will do:

1. $ su

2. $ chmod 440 /etc/sudoers

Sailplane

Answer 6

1. Open `/etc/ directory:
2. Right click on sudoers > Get Info
3. Click lock icon
4. Set permissions as follows:

5. Try running sudo ls and see if you get any errors. If you get an error about sudoers.d just delete that folder if its empty.

Apostasy