TMA-ROCKY8-5.4.2.5
Ensure root path integrity
MédiaNível 1Automatizadalinux
Descrição
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.
Como é verificado
Método de auditoria: Comando 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- Saída esperada
compliant
Como é corrigido
Método de correção: Orientação ou patch de infraestrutura
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
Propriedades
- Sistemas operacionais
- rocky-8
- Tags
- cis-convertedlinux
- Referência
- CIS Rocky Linux 8 Benchmark v3.0.0 - 5.4.2.5
Verificar este host
Execute isto em uma máquina que você tenha permissão para auditar. A varredura é somente leitura.
shell
tmaegis scan --target linux