Ensure events that modify user/group information are collected

НискаНиво 2Аутоматскаlinux

Опис

Record events affecting the group , passwd (user IDs), shadow and gshadow (passwords) or /etc/security/opasswd (old passwords, based on remember parameter in the PAM configuration) files. The parameters in this section will watch the files to see if they have been opened for write or have had attribute changes (e.g. permissions) and tag them with the identifier "identity" in the audit log file. Note: Reloading the auditd config to set active settings may require a system reboot.

Како се проверава

Метод провере: Команда љуске

shell

alt0() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; o=$(bash -c 'grep identity /etc/audit/rules.d/*.rules' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '/etc/audit/rules.d/identity.rules:-w /etc/group -p wa -k identity' || { echo step1: missing '/etc/audit/rules.d/identity.rules:-w /etc/group -p wa -k ide'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '/etc/audit/rules.d/identity.rules:-w /etc/passwd -p wa -k identity' || { echo step1: missing '/etc/audit/rules.d/identity.rules:-w /etc/passwd -p wa -k id'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '/etc/audit/rules.d/identity.rules:-w /etc/shadow -p wa -k identity' || { echo step1: missing '/etc/audit/rules.d/identity.rules:-w /etc/shadow -p wa -k id'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '/etc/audit/rules.d/identity.rules:-w /etc/security/opasswd -p wa -k identity' || { echo step1: missing '/etc/audit/rules.d/identity.rules:-w /etc/security/opasswd -'; return 1; }; command -v auditctl >/dev/null 2>&1 || { echo "step2: auditctl not installed"; return 1; }; command -v grep >/dev/null 2>&1 || { echo "step2: grep not installed"; return 1; }; o=$(bash -c 'auditctl -l | grep identity' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '-w /etc/group -p wa -k identity' || { echo step2: missing '-w /etc/group -p wa -k identity'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '-w /etc/passwd -p wa -k identity' || { echo step2: missing '-w /etc/passwd -p wa -k identity'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '-w /etc/shadow -p wa -k identity' || { echo step2: missing '-w /etc/shadow -p wa -k identity'; return 1; }; printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '-w /etc/security/opasswd -p wa -k identity' || { echo step2: missing '-w /etc/security/opasswd -p wa -k identity'; return 1; }; }; if alt0; then echo compliant; fi

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

Edit or create a file in the /etc/audit/rules.d/ directory ending in .rules Example: vi /etc/audit/rules.d/identity.rules and add the following lines: -w /etc/group -p wa -k identity -w /etc/passwd -p wa -k identity -w /etc/shadow -p wa -k identity -w /etc/security/opasswd -p wa -k identity

Својства

Оперативни системи: sles-12
Ознаке: cis-convertedlinux
Референца: CIS SUSE Linux Enterprise 12 Benchmark v3.2.0 - 4.1.4

Проверите овај рачунар

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

shell

tmaegis scan --target linux --level 2