TMA-ALIBABA-1.12

Ensure RAM password policy prevents password reuse

HighLevel 1Automatedalibaba

Description

It is recommended that the password policy prevent the reuse of passwords. Preventing password reuse increases account resiliency against brute force logon attempt. Reads PasswordReusePrevention from aliyun ram GetPasswordPolicy. PasswordReusePrevention must be 5 or more. Read-only aliyun CLI calls; credentials and default region come from the CLI's normal profile (aliyun configure, ~/.aliyun/config.json or ALIBABA_CLOUD_* environment variables). JSON output is parsed with sed/awk. A missing CLI or credential fails the check.

How it is checked

Audit method: Shell command

shell

out=$(aliyun ram GetPasswordPolicy 2>/dev/null) || exit 1
v=$(printf '%s\n' "$out" | sed -n 's/.*"PasswordReusePrevention"[[:space:]]*:[[:space:]]*"\{0,1\}\([^",}]*\)"\{0,1\}.*/\1/p' | head -n 1)
[ "$v" -ge 5 ] 2>/dev/null && echo compliant

Expected output: compliant

How it is fixed

Fix method: Guidance or infrastructure patch

aliyun ram SetPasswordPolicy --PasswordReusePrevention 5 (repeat the other current policy parameters, which SetPasswordPolicy resets), or RAM console > Settings > Security Settings > Password Strength Settings.

Properties

Operating systems: Any
Tags: alibabaram
Reference: CIS Alibaba Cloud Foundation Benchmark v2.0.1 - 1.12 Ensure RAM password policy prevents password reuse

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

shell

tmaegis scan --target alibaba