Linux distributions
TMA-ROCKY8-7.1.9
Ensure access to /etc/shells is configured
MediaNivel 1Automatizadalinux
Descripción
/etc/shells is a text file which contains the full pathnames of valid login shells. This file is consulted by chsh and available to be queried by other programs.
Cómo se verifica
Método de auditoría: Comando de shell
shell
alt0() { s=$(stat -Lc '%a %u %g' /etc/shells 2>&1) || { echo "step1: $s"; return 1; }; set -- $s; m=$((8#$1)); [ $((m & ~0644)) -eq 0 ] && [ "$2" = 0 ] && [ "$3" = 0 ] || { echo "step1: /etc/shells is mode $1 uid $2 gid $3, want 644 or stricter, uid 0, gid 0"; 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 commands to remove excess permissions, set owner, and set group on /etc/shells: # chmod u-x,go-wx /etc/shells # chown root:root /etc/shells
Propiedades
- Sistemas operativos
- rocky-8
- Etiquetas
- cis-convertedlinux
- Referencia
- CIS Rocky Linux 8 Benchmark v3.0.0 - 7.1.9
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
shell
tmaegis scan --target linux