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TMA-APACHE-3.2

Ensure the Apache User Account Has an Invalid Shell

MoyenneNiveau 1Automatiséeapache

Description

The apache account must not be used as a regular login account, and should be assigned an invalid or nologin shell to ensure that the account cannot be used to login. The account named by the User directive must have /sbin/nologin (or /dev/null) as its login shell. Reads the main configuration (APACHE_CONF overrides; default /etc/apache2/apache2.conf, /etc/httpd/conf/httpd.conf or /usr/local/apache2/conf/httpd.conf) and every Include/IncludeOptional file.

Méthode de vérification

Méthode d'audit: Commande shell

shell
c=${APACHE_CONF:-}; if [ -z "$c" ]; then for f in /etc/apache2/apache2.conf /etc/httpd/conf/httpd.conf /usr/local/apache2/conf/httpd.conf /etc/apache2/httpd.conf; do [ -f "$f" ] && { c=$f; break; }; done; fi; [ -r "$c" ] || exit 1; R=$(awk 'tolower($1)=="serverroot"{v=$2; gsub(/"/,"",v); print v; exit}' "$c"); [ -n "$R" ] || R=$(dirname "$c"); shopt -s nocasematch; inc(){ local p g l; [ ${#FUNCNAME[@]} -lt 16 ] || return 0; p=$1; case $p in /*) ;; *) p=$R/$p;; esac; [ -d "$p" ] && p="$p/*"; for g in $p; do [ -f "$g" ] || continue; while IFS= read -r l || [ -n "$l" ]; do if [[ $l =~ ^[[:space:]]*include(optional)?[[:space:]]+\"?([^\"[:space:]]+) ]]; then inc "${BASH_REMATCH[2]}"; else printf '%s\n' "$l"; fi; done < "$g"; done; }; cfg=$(inc "$c" | sed -e 's/^[[:space:]]*//' -e '/^#/d' -e '/^$/d'); shopt -u nocasematch; ev(){ case $1 in '${'*'}') local n=${1#??}; n=${n%?}; local v; v=$(sed -n "s/^[[:space:]]*export[[:space:]]*$n=//p" "${APACHE_ENVVARS:-/etc/apache2/envvars}" 2>/dev/null | tail -n1 | tr -d "\"'"); printf '%s\n' "${v:-$1}";; *) printf '%s\n' "$1";; esac; }; u=$(ev "$(printf '%s\n' "$cfg" | awk 'tolower($1)=="user"{v=$2} END{print v}')"); [ -n "$u" ] && [ "${u#\$}" = "$u" ] || { echo noncompliant; exit 0; }; sh=$(getent passwd "$u" | cut -d: -f7) || exit 1; case "$sh" in */nologin|/dev/null) echo compliant;; *) echo noncompliant;; esac
Sortie attendue
compliant

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

chsh -s /sbin/nologin <apache user> (use /usr/sbin/nologin on Debian/Ubuntu).

Propriétés

Systèmes d'exploitation
Tous
Étiquettes
apacheaccounts
Référence
CIS Apache HTTP Server 2.4 Benchmark v2.4.0 - 3.2 Ensure the Apache User Account Has an Invalid Shell

Vérifier cet hôte

Exécutez cette commande sur une machine que vous êtes autorisé à auditer. L'analyse est en lecture seule.

shell
tmaegis scan --target apache