Linux distributions
TMA-ROCKY8-5.4.2.5
Ensure root path integrity
中等級 1自動化linux
說明
The root user can execute any command on the system and could be fooled into executing programs unintentionally if the PATH is not set correctly.
檢查方式
稽核方法: Shell 指令
shell
alt0() { o=$(bash -c '#!/usr/bin/env bash
{
l_output2=""
l_pmask="0022"
l_maxperm="$( printf '"'"'%o'"'"' $(( 0777 & ~$l_pmask )) )"
l_root_path="$(sudo -Hiu root env | grep '"'"'^PATH'"'"' | cut -d= -f2)"
unset a_path_loc && IFS=":" read -ra a_path_loc <<< "$l_root_path"
grep -q "::" <<< "$l_root_path" && l_output2="$l_output2\n - root'"'"'s path contains a empty directory (::)"
grep -Pq ":\h*$" <<< "$l_root_path" && l_output2="$l_output2\n - root'"'"'s path contains a trailing (:)"
grep -Pq '"'"'(\h+|:)\.(:|\h*$)'"'"' <<< "$l_root_path" && l_output2="$l_output2\n - root'"'"'s path contains current working directory (.)"
while read -r l_path; do
if [ -d "$l_path" ]; then
while read -r l_fmode l_fown; do
[ "$l_fown" != "root" ] && l_output2="$l_output2\n - Directory: \"$l_path\" is owned by: \"$l_fown\" should be owned by \"root\""
[ $(( $l_fmode & $l_pmask )) -gt 0 ] && l_output2="$l_output2\n - Directory: \"$l_path\" is mode: \"$l_fmode\" and should be mode: \"$l_maxperm\" or more restrictive"
done <<< "$(stat -Lc '"'"'%#a %U'"'"' "$l_path")"
else
l_output2="$l_output2\n - \"$l_path\" is not a directory"
fi
done <<< "$(printf "%s\n" "${a_path_loc[@]}")"
if [ -z "$l_output2" ]; then
echo -e "\n- Audit Result:\n *** PASS ***\n - Root'"'"'s path is correctly configured\n"
else
echo -e "\n- Audit Result:\n ** FAIL **\n - * Reasons for audit failure * :\n$l_output2\n"
fi
}' 2>&1); printf '%s\n' "$o" | grep -q '\*\* PASS \*\*' || { echo "step1: script did not report PASS"; 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
Correct or justify any: • Locations that are not directories • Empty directories (::) • Trailing (:) • Current working directory (.) • Non root owned directories • Directories that less restrictive than mode 0755
屬性
- 作業系統
- rocky-8
- 標籤
- cis-convertedlinux
- 參考資料
- CIS Rocky Linux 8 Benchmark v3.0.0 - 5.4.2.5
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