Ensure noexec option set on /tmp partition

보통레벨 1자동ros

설명

The noexec mount option specifies that the filesystem cannot contain executable binaries. The audit requires the noexec mount option on /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.

점검 방법

감사 방식: 셸 명령

shell

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

예상 출력: compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

Edit the /etc/fstab file and add noexec to the fourth field (mounting options) for the /tmp partition. See the fstab(5) manual page for more information. Run the following command to remount /tmp : # mount -o remount,noexec /tmp or Edit /etc/systemd/system/local-fs.target.wants/tmp.mount to add noexec to the /tmp mount options: [Mount] Options=mode=1777,strictatime,noexec,nodev,nosuid Run the following command to remount /tmp : # mount -o remount,noexec /tmp

속성

운영 체제: 모두
태그: rosros1melodicsystem
참고 자료: CIS ROS Melodic Benchmark v1.0.0 - 1.1.5 Ensure noexec option set on /tmp partition

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shell

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