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CIS ベンチマークがホスト構成テストに失敗する

tag-icon • tag-icon linux docker linux-audit
CIS ベンチマークがホスト構成テストに失敗する

Dockerアーティファクトに次の監査ルールを追加した後：

$ sudo auditctl -l
-w /usr/bin/dockerd -p rwxa -k docker
-w /var/lib/docker -p rwxa -k docker
-w /etc/docker -p rwxa -k docker
-w /lib/systemd/system/docker.service -p rwxa -k docker
-w /lib/systemd/system/docker.socket -p rwxa -k docker
-w /etc/default/docker -p rwxa -k docker
-w /etc/docker/daemon.json -p rwxa -k docker
-w /usr/bin/docker-containerd -p rwxa -k docker
-w /usr/bin/docker-runc -p rwxa -k docker
$

CISベンチマークユーティリティ（https://github.com/docker/docker-bench-security）失敗する：

$ sudo ./docker-bench-security.sh -c tests/1_host_configuration.sh 
# ------------------------------------------------------------------------------
# Docker Bench for Security v1.3.5
#
# Docker, Inc. (c) 2015-
#
# Checks for dozens of common best-practices around deploying Docker containers in production.
# Inspired by the CIS Docker Benchmark v1.2.0.
# ------------------------------------------------------------------------------

Initializing Wed Sep 11 15:21:04 CST 2019


[INFO] Checks: 0
[INFO] Score: 0
$

次のレビューに合格するには？

[WARN] 1.2.1 - Ensure a separate partition for containers has been created
[INFO] 1.2.2  - Ensure only trusted users are allowed to control Docker daemon
[INFO]        * docker:x:130:mohet01-ubuntu
[WARN] 1.2.3  - Ensure auditing is configured for the Docker daemon
[WARN] 1.2.4  - Ensure auditing is configured for Docker files and directories - /var/lib/docker
[WARN] 1.2.5  - Ensure auditing is configured for Docker files and directories - /etc/docker
[WARN] 1.2.6  - Ensure auditing is configured for Docker files and directories - docker.service
[WARN] 1.2.7  - Ensure auditing is configured for Docker files and directories - docker.socket
[WARN] 1.2.8  - Ensure auditing is configured for Docker files and directories - /etc/default/docker
[INFO] 1.2.9  - Ensure auditing is configured for Docker files and directories - /etc/sysconfig/docker
[INFO]        * File not found
[INFO] 1.2.10  - Ensure auditing is configured for Docker files and directories - /etc/docker/daemon.json
[INFO]         * File not found
[WARN] 1.2.11  - Ensure auditing is configured for Docker files and directories - /usr/bin/containerd
[WARN] 1.2.12  - Ensure auditing is configured for Docker files and directories - /usr/sbin/runc

答え1

私はUbuntu 18.04ファイル内のすべてのルールを使用して追加し、/etc/audit/rules.d/audit.rules正常に動作します。

の場合、CentOS 6ファイルの場所はです/etc/audit/audit.rules。

[INFO] 1.2 - Linux Hosts Specific Configuration
[WARN] 1.2.1 - Ensure a separate partition for containers has been created
[INFO] 1.2.2  - Ensure only trusted users are allowed to control Docker daemon
[INFO]        * docker:x:999:delta
[PASS] 1.2.3  - Ensure auditing is configured for the Docker daemon
[PASS] 1.2.4  - Ensure auditing is configured for Docker files and directories - /var/lib/docker
[PASS] 1.2.5  - Ensure auditing is configured for Docker files and directories - /etc/docker
[PASS] 1.2.6  - Ensure auditing is configured for Docker files and directories - docker.service
[PASS] 1.2.7  - Ensure auditing is configured for Docker files and directories - docker.socket
[PASS] 1.2.8  - Ensure auditing is configured for Docker files and directories - /etc/default/docker
[INFO] 1.2.9  - Ensure auditing is configured for Docker files and directories - /etc/sysconfig/docker
[INFO]        * File not found
[INFO] 1.2.10  - Ensure auditing is configured for Docker files and directories - /etc/docker/daemon.json
[INFO]         * File not found
[WARN] 1.2.11  - Ensure auditing is configured for Docker files and directories - /usr/bin/containerd
[INFO] 1.2.12  - Ensure auditing is configured for Docker files and directories - /usr/sbin/runc
[INFO]         * File not found

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