Ensure unused symbolic links are removed

СредњаНиво 1Аутоматскаaix

Опис

This recommendation finds and removes symbolic links whose targets are missing. Symbolic Links that do not have a valid target are a risk to system integrity. The recommendation is to scan frequently (weekly or daily) for symbolic links without a valid target object and remove them. Do not assume that anyone responsible for maintaining system integrity is (actively) monitoring unknown software. Symbolic links - pointing at nothing - are, by definition, unauthorized and/or belong on a blocklist. Audit: lists dangling symbolic links on local JFS/JFS2 filesystems (long running).

Како се проверава

Метод провере: Команда љуске

shell

command -v find >/dev/null 2>&1 || exit 1; out=$( { find -L / \( -fstype jfs -o -fstype jfs2 \) -type l -ls ; } 2>/dev/null ); [ -z "$out" ] && echo compliant || printf '%s\n' "$out" | head -n 20

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

The following command will remove all symbolic links that lack a valid target object: find -L / \( -fstype jfs -o -fstype jfs2 \) -type l | xargs rm

Својства

Оперативни системи: Било који
Ознаке: aixhardening
Референца: CIS IBM AIX 7 Benchmark v1.2.0 - 2.7 Ensure unused symbolic links are removed

Проверите овај рачунар

Покрените ово на рачунару за који имате дозволу за проверу. Скенирање ради у режиму само за читање.

shell

tmaegis scan --target aix