Ensure noexec option set on /var partition

낮음레벨 2자동cos

설명

The noexec mount option specifies that the filesystem cannot contain executable binaries. Since the /var filesystem is only intended for services to write data and not execute, set this option to ensure that users cannot run executable binaries from /var.

점검 방법

감사 방식: 셸 명령

shell

if ! findmnt -kn /var >/dev/null 2>&1; then echo compliant; elif findmnt -kn /var | grep -qw -- noexec; then echo compliant; else echo /var' is mounted without noexec'; fi

예상 출력: compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

Run the following command to remount /var : # mount -o remount,noexec /var /etc is stateless on Container-Optimized OS. Therefore, /etc cannot be used to make these changes persistent across reboots. The steps mentioned above needs to be performed after every boot.

속성

운영 체제: 모두
태그: container-optimized-oscos
참고 자료: CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.7 Ensure noexec option set on /var partition

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shell

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