TMA-OCI-5.1.2

Ensure Object Storage Buckets are encrypted with a Customer Managed Key (CMK).

高レベル 2自動oci

説明

Oracle Object Storage buckets support encryption with a Customer Managed Key (CMK). By default, Object Storage buckets are encrypted with an Oracle managed key. Encryption of Object Storage buckets with a Customer Managed Key (CMK) provides an additional level of security on your data by allowing you to manage your own encryption key lifecycle management for the bucket. Every bucket must have a kms-key-id (customer managed key). Covers every subscribed region and every accessible compartment. Read-only OCI CLI calls; credentials and home region come from the CLI's normal configuration (~/.oci/config, OCI_CLI_PROFILE, OCI_CLI_AUTH). The tenancy OCID is taken from OCI_TENANCY or the first tenancy= line of the config file. A missing CLI or credential fails the check.

チェック方法

監査方法: シェルコマンド

shell

t=${OCI_TENANCY:-$(sed -n 's/^[[:space:]]*tenancy[[:space:]]*=[[:space:]]*//p' "${OCI_CLI_CONFIG_FILE:-$HOME/.oci/config}" 2>/dev/null | head -n 1 | tr -d '\r[:space:]')}
[ -n "$t" ] || exit 1
bad=0
cs=$(oci iam compartment list --compartment-id "$t" --compartment-id-in-subtree true --access-level ACCESSIBLE --all --query 'data[?"lifecycle-state"==`"ACTIVE"`].id' --raw-output 2>/dev/null) || exit 1
comps="$t $(printf '%s\n' "$cs" | grep -o 'ocid1\.compartment\.[^"]*')"
rs=$(oci iam region-subscription list --tenancy-id "$t" --query 'data[?status==`"READY"`]."region-name"' --raw-output 2>/dev/null) || exit 1
regions=$(printf '%s\n' "$rs" | grep -o '"[a-z0-9-]*"' | tr -d '"')
[ -n "$regions" ] || exit 1
for r in $regions; do
  for c in $comps; do
    bs=$(oci os bucket list --compartment-id "$c" --region "$r" --all --query 'data[].name' --raw-output 2>/dev/null) || exit 1
    for b in $(printf '%s\n' "$bs" | sed -n 's/^[[:space:]]*"\([^"]*\)",\{0,1\}[[:space:]]*$/\1/p'); do
      k=$(oci os bucket get --bucket-name "$b" --region "$r" --query 'data."kms-key-id"' --raw-output 2>/dev/null) || exit 1
      [ -n "$k" ] && [ "$k" != null ] || { echo "Oracle-managed key: $r $b"; bad=1; }
    done
  done
done
[ "$bad" -eq 0 ] && echo compliant

期待される出力: compliant

修正方法

修正方法: ガイダンスまたは IaC パッチ

oci os bucket update --bucket-name <bucket> --kms-key-id <vault-key-ocid> (Bucket details > Encryption key > Assign) after granting Object Storage use of the key.

プロパティ

オペレーティングシステム: すべて
タグ: ocistorage
参照: CIS Oracle Cloud Infrastructure Foundations Benchmark v3.1.1 - 5.1.2 Ensure Object Storage Buckets are encrypted with a Customer Managed Key (CMK).

このホストをチェック

監査が許可されているマシンで実行してください。スキャンは読み取り専用です。

shell

tmaegis scan --target oci --level 2