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VMware ESXi

TMA-ESXI9-3.12

Host must lock an account after a specified number of failed login attempts

MédiaNível 1Automatizadavmware

Descrição

The security control involves restricting account access following a specified number of failed login attempts, acting as a deterrent against brute-force attacks. This control is applicable for SSH and vSphere Web Services SDK access, though not for the Direct Console Interface (DCUI) and the ESXi Shell. The audit reads Security.AccountLockFailures with esxcli and requires 5. Runs in the ESXi Shell (busybox sh) as root.

Como é verificado

Método de auditoria: Comando shell

shell
out=$(esxcli system settings advanced list -o /Security/AccountLockFailures 2>/dev/null) || exit 1
v=$(printf '%s\n' "$out" | awk '$1=="Int" && $2=="Value:" {print $3; exit}')
case "$v" in ''|*[!0-9-]*) echo '/Security/AccountLockFailures: no integer value'; exit 1 ;; esac
if [ "$v" -eq 5 ]; then echo compliant; else echo "/Security/AccountLockFailures = $v (expected 5)"; fi
Saída esperada
compliant

Como é corrigido

Método de correção: Orientação ou patch de infraestrutura

To set the maximum failed login attempts correctly, perform the following steps: 1. From the vSphere Web Client, select the host. 2. Click Configure then expand System. 3. Select Advanced System Settings then click Edit. 4. Enter Security.AccountLockFailures in the filter. 5. Set the value for this parameter to 5. Alternately, use the following PowerCLI command: Get-VMHost | Get-AdvancedSetting -Name Security.AccountLockFailures | Set- AdvancedSetting -Value 5

Propriedades

Sistemas operacionais
Qualquer
Tags
vmwareesximanagement
Referência
CIS VMware ESXi 9.0 Benchmark v1.0.0 - 3.12 Host must lock an account after a specified number of failed login attempts

Verificar este host

Execute isto em uma máquina que você tenha permissão para auditar. A varredura é somente leitura.

shell
tmaegis scan --target vmware