Ensure access to /etc/crontab is configured

中等級 1自動化linux

說明

The /etc/crontab file is used by cron to control its own jobs. The commands in this item make sure that root is the user and group owner of the file and that only the owner can access the file.

檢查方式

稽核方法: Shell 指令

shell

alt0() { s=$(stat -Lc '%a %u %g' /etc/crontab 2>&1) || { echo "step1: $s"; return 1; }; set -- $s; m=$((8#$1)); [ $((m & ~0600)) -eq 0 ] && [ "$2" = 0 ] && [ "$3" = 0 ] || { echo "step1: /etc/crontab is mode $1 uid $2 gid $3, want 600 or stricter, uid 0, gid 0"; return 1; }; }; if alt0; then echo compliant; fi

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

- IF - cron is installed on the system: Run the following commands to set ownership and permissions on /etc/crontab: # chown root:root /etc/crontab # chmod og-rwx /etc/crontab

屬性

作業系統: rocky-9
標籤: cis-convertedlinux
參考資料: CIS Rocky Linux 9 Benchmark v3.0.0 - 2.4.1.2

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target linux