Linux distributions
TMA-RHEL10-5.4.2.5
Ensure root path integrity
SedangLevel 1Otomatislinux
Deskripsi
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.
Cara pemeriksaan
Metode audit: Perintah shell
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- Output yang diharapkan
compliant
Cara perbaikan
Metode perbaikan: Panduan atau patch infrastruktur
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
Properti
- Sistem operasi
- rhel-10
- Tag
- cis-convertedlinux
- Referensi
- CIS Red Hat Enterprise Linux 10 Benchmark v1.0.1 - 5.4.2.5
Periksa host ini
Jalankan ini pada mesin yang diizinkan untuk Anda audit. Pemindaian bersifat hanya baca.
shell
tmaegis scan --target linux