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  3. CIS Amazon Linux V2.1.0 L1
  4. Ensure sticky bit is set on all world-writable directories

Ensure sticky bit is set on all world-writable directories

Details

This feature prevents the ability to delete or rename files in world writable directories

(such as /tmp) that are owned by another user.

Solution

Run the following command to set the sticky bit on all world writable directories – # df –local -P | awk {‘if (NR!=1) print $6’} | xargs -I ‘{}’ find ‘{}’ -xdev -type d
-perm -0002 2>/dev/null | xargs chmod a+t

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system Unix.

References

Source

Updated on July 16, 2022
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