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TMA-ROS1-1.1.10

Ensure noexec option set on /var/tmp partition

SrednjaNivo 1Automatskaros

Opis

The noexec mount option specifies that the filesystem cannot contain executable binaries. The audit requires the noexec mount option on /var/tmp when it is a separate mount (findmnt); not applicable otherwise. Host-level control from the CIS ROS Melodic benchmark (Ubuntu 18.04 robot hosts); run as root.

Kako se proverava

Metod provere: Komanda ljuske

shell
if ! findmnt -kn /var/tmp >/dev/null 2>&1; then echo compliant; elif findmnt -kn -o OPTIONS /var/tmp | tr ',' '\n' | grep -qx -- noexec; then echo compliant; else echo '/var/tmp is mounted without noexec'; fi
Očekivani izlaz
compliant

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

Edit the /etc/fstab file and add noexec to the fourth field (mounting options) for the /var/tmp partition. See the fstab(5) manual page for more information. Run the following command to remount /var/tmp : # mount -o remount,noexec /var/tmp

Svojstva

Operativni sistemi
Bilo koji
Oznake
rosros1melodicsystem
Referenca
CIS ROS Melodic Benchmark v1.0.0 - 1.1.10 Ensure noexec option set on /var/tmp partition

Proverite ovaj računar

Pokrenite ovo na računaru za koji imate dozvolu za proveru. Skeniranje radi u režimu samo za čitanje.

shell
tmaegis scan --target ros