TMA-COS-6.1.2

Ensure permissions on /etc/shadow are configured

中レベル 1手動レビューcos

説明

The /etc/shadow file is used to store the information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information. If attackers can gain read access to the /etc/shadow file, they can easily run a password cracking program against the hashed password to break it. Other security information that is stored in the /etc/shadow file (such as expiration) could also be useful to subvert the user accounts.

チェック方法

監査方法: 手動レビュー

この推奨事項は自動ではチェックできません。--include-manual を指定すると、スキャン結果にこの手順付きで一覧表示されます。

Run the following command and verify verify Uid is 0/root, Gid is 0/root or <gid>/shadow, and Access is 640 or more restrictive: # stat /etc/shadow Access: (0640/-rw-r-----) Uid: ( 0/ root) Gid: ( 0/ root)

修正方法

修正方法: ガイダンスまたは IaC パッチ

Run the one of the following chown commands as appropriate and the chmod to set permissions on /etc/shadow : # chown root:root /etc/shadow # chown root:shadow /etc/shadow # chmod o-rwx,g-wx /etc/shadow

プロパティ

オペレーティングシステム: すべて
タグ: access-controlcontainer-optimized-oscos
参照: CIS Google Container-Optimized OS Benchmark v1.2.0 - 6.1.2 Ensure permissions on /etc/shadow are configured