Linux distributions
TMA-SLES16-6.2.4.5
Ensure audit configuration files mode is configured
BajaNivel 2Automatizadalinux
Descripción
Audit configuration files control auditd and what events are audited.
Cómo se verifica
Método de auditoría: Comando de shell
shell
alt0() { o=$(bash -c '#!/usr/bin/env bash
{
l_output="" l_output2="" l_perm_mask="0137"
l_maxperm="$( printf '"'"'%o'"'"' $(( 0777 & ~$l_perm_mask )) )"
while IFS= read -r -d $'"'"'\0'"'"' l_fname; do
l_mode=$(stat -Lc '"'"'%#a'"'"' "$l_fname")
if [ $(( "$l_mode" & "$l_perm_mask" )) -gt 0 ]; then
l_output2="$l_output2\n - file: \"$l_fname\" is mode: \"$l_mode\" (should be mode: \"$l_maxperm\" or more restrictive)"
fi
done < <(find /etc/audit/ -type f \( -name "*.conf" -o -name '"'"'*.rules'"'"' \) -print0)
if [ -z "$l_output2" ]; then
echo -e "\n- Audit Result:\n ** PASS **\n - All audit configuration files are mode: \"$l_maxperm\" or more restrictive"
else
echo -e "\n- Audit Result:\n ** FAIL **\n$l_output2"
fi
}' 2>&1); printf '%s\n' "$o" | grep -q '\*\* PASS \*\*' || { echo "step1: script did not report PASS"; return 1; }; }; if alt0; then echo compliant; fi- Salida esperada
compliant
Cómo se corrige
Método de corrección: Guía o parche de infraestructura
Run the following command to remove more permissive mode than 0640 from the audit configuration files: # find /etc/audit/ -type f \( -name '*.conf' -o -name '*.rules' \) -exec chmod u-x,g-wx,o-rwx {} +
Propiedades
- Sistemas operativos
- sles-16
- Etiquetas
- cis-convertedlinux
- Referencia
- CIS SUSE Linux Enterprise 16 Benchmark v1.0.0 - 6.2.4.5
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
shell
tmaegis scan --target linux --level 2