security-review-skill-for-docker
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How to install security-review-skill-for-docker?
xwtro0tk1t-cloud/harness/security-review-skill-for-docker
$npx -y skills add xwtro0tk1t-cloud/harness --skill security-review-skill-for-docker审计 Docker/容器部署安全。检测 Dockerfile、docker-compose.yml、Kubernetes manifests 中的安全问题：特权容器、root 运行、敏感挂载、资源无限制、密钥泄露、Base Image 不合规、网络暴露等。当审计容器配置、Docker 安全、K8s 部署安全、或检查基础设施安全时使用。支持 Dockerfile、docker-compose.yml、Kubernetes YAML、Helm charts。
SKILL.md
| 1 | # Docker / Container Security Review |
| 2 | |
| 3 | ## 适用范围 |
| 4 | |
| 5 | 本 skill 审计以下文件类型的安全配置： |
| 6 | - **Dockerfile** / **Dockerfile.***（多阶段构建） |
| 7 | - **docker-compose.yml** / **docker-compose.*.yml** |
| 8 | - **Kubernetes manifests**（Deployment, Pod, Service, Ingress, RBAC, NetworkPolicy） |
| 9 | - **Helm charts**（templates/ 下的 YAML） |
| 10 | - **.dockerignore** |
| 11 | - **CI/CD 中的容器相关步骤** |
| 12 | |
| 13 | ## 审计模式 |
| 14 | |
| 15 | 触发 skill 后，根据用户 prompt 判断模式： |
| 16 | |
| 17 | ### 全量模式 |
| 18 | 扫描项目中所有容器相关文件。 |
| 19 | |
| 20 | ### PR/分支模式 |
| 21 | ```bash |
| 22 | git diff --name-only <base>...<target> |
| 23 | ``` |
| 24 | 只审计变更的 Dockerfile / compose / K8s YAML 文件，但需 Read 完整文件理解上下文。 |
| 25 | |
| 26 | ### 最近变更模式 |
| 27 | ```bash |
| 28 | git log --since="7 days ago" --name-only --pretty=format: | sort -u |
| 29 | ``` |
| 30 | 筛选容器相关文件变更。 |
| 31 | |
| 32 | --- |
| 33 | |
| 34 | ## 审计方法论 |
| 35 | |
| 36 | ### Step 1: 侦察 — 发现所有容器配置文件 |
| 37 | |
| 38 | ```bash |
| 39 | # 发现 Dockerfile |
| 40 | Glob("**/Dockerfile*") |
| 41 | |
| 42 | # 发现 docker-compose |
| 43 | Glob("**/docker-compose*.yml") |
| 44 | Glob("**/docker-compose*.yaml") |
| 45 | |
| 46 | # 发现 K8s manifests |
| 47 | Glob("**/k8s/**/*.yml") |
| 48 | Glob("**/k8s/**/*.yaml") |
| 49 | Glob("**/deploy/**/*.yml") |
| 50 | Glob("**/manifests/**/*.yml") |
| 51 | Glob("**/helm/**/*.yaml") |
| 52 | Glob("**/.k8s/**/*.yaml") |
| 53 | |
| 54 | # 发现 .dockerignore |
| 55 | Glob("**/.dockerignore") |
| 56 | |
| 57 | # CI/CD 中的容器步骤 |
| 58 | Glob("**/.github/workflows/*.yml") |
| 59 | Glob("**/.gitlab-ci.yml") |
| 60 | Glob("**/Jenkinsfile*") |
| 61 | ``` |
| 62 | |
| 63 | ### Step 2: 正则扫描（必须执行） |
| 64 | |
| 65 | 对发现的所有文件，逐一执行以下正则检查： |
| 66 | |
| 67 | #### Dockerfile 正则 |
| 68 | ```bash |
| 69 | # D1: Base Image 合规 |
| 70 | Grep("^FROM ", glob="*Dockerfile*") # 所有 FROM 指令 |
| 71 | Grep("FROM.*:latest", glob="*Dockerfile*") # 禁止 :latest |
| 72 | Grep("FROM.*docker\\.io|FROM.*dockerhub", glob="*Dockerfile*") # 禁止 Docker Hub 直拉 |
| 73 | Grep("^FROM (?!jfrog\\.cmex\\.corp)", glob="*Dockerfile*") # 必须用内部 registry |
| 74 | |
| 75 | # D2: 权限控制 |
| 76 | Grep("USER root", glob="*Dockerfile*") # 禁止 root 用户 |
| 77 | Grep("--privileged", glob="*Dockerfile*") # 禁止特权模式 |
| 78 | Grep("chmod 777|chmod -R 777", glob="*Dockerfile*") # 过宽文件权限 |
| 79 | Grep("sudo ", glob="*Dockerfile*") # 容器内不应有 sudo |
| 80 | |
| 81 | # D3: 密钥泄露 |
| 82 | Grep("COPY.*\\.env|ADD.*\\.env", glob="*Dockerfile*") # 禁止复制 .env |
| 83 | Grep("ARG.*PASSWORD|ARG.*SECRET|ARG.*TOKEN|ARG.*KEY", glob="*Dockerfile*", -i=true) # ARG 传密钥 |
| 84 | Grep("ENV.*PASSWORD|ENV.*SECRET|ENV.*TOKEN|ENV.*API_KEY", glob="*Dockerfile*", -i=true) # ENV 硬编码 |
| 85 | Grep("COPY.*\\.pem|COPY.*\\.key|COPY.*id_rsa", glob="*Dockerfile*") # 复制私钥 |
| 86 | |
| 87 | # D4: 网络/SSH |
| 88 | Grep("EXPOSE 22|sshd|openssh", glob="*Dockerfile*") # 禁止 SSH |
| 89 | Grep("EXPOSE.*0\\.0\\.0\\.0", glob="*Dockerfile*") # 不安全绑定 |
| 90 | |
| 91 | # D5: 最佳实践 |
| 92 | Grep("^ADD ", glob="*Dockerfile*") # ADD 改用 COPY |
| 93 | Grep("apt-get install(?!.*--no-install-recommends)", glob="*Dockerfile*") # 缺少 --no-install-recommends |
| 94 | Grep("apk add(?!.*--no-cache)", glob="*Dockerfile*") # 缺少 --no-cache |
| 95 | Grep("curl.*\\| ?bash|curl.*\\| ?sh|wget.*\\| ?sh", glob="*Dockerfile*") # pipe to shell |
| 96 | ``` |
| 97 | |
| 98 | #### docker-compose 正则 |
| 99 | ```bash |
| 100 | # D6: 特权和安全 |
| 101 | Grep("privileged: true", glob="*docker-compose*") # 特权容器 |
| 102 | Grep("network_mode: host", glob="*docker-compose*") # 主机网络 |
| 103 | Grep("pid: host", glob="*docker-compose*") # 主机 PID |
| 104 | Grep("ipc: host", glob="*docker-compose*") # 主机 IPC |
| 105 | Grep("cap_add:", glob="*docker-compose*") # 能力添加（需逐一审查） |
| 106 | |
| 107 | # D7: 资源限制 |
| 108 | Grep("deploy:", glob="*docker-compose*") # 检查是否设了 resources.limits |
| 109 | Grep("mem_limit|memory:", glob="*docker-compose*") # 内存限制 |
| 110 | |
| 111 | # D8: 敏感挂载 |
| 112 | Grep("docker\\.sock", glob="*docker-compose*") # Docker socket 挂载 |
| 113 | Grep("/etc:/|/var:/|/root:/|/home:/", glob="*docker-compose*") # 宿主机敏感路径 |
| 114 | Grep("volumes:.*:rw", glob="*docker-compose*") # 可写挂载（检查必要性） |
| 115 | |
| 116 | # D9: 密钥 |
| 117 | Grep("PASSWORD|SECRET|TOKEN|API_KEY", glob="*docker-compose*", -i=true) # 明文密钥 |
| 118 | ``` |
| 119 | |
| 120 | #### Kubernetes 正则 |
| 121 | ```bash |
| 122 | # D10: Pod 安全 |
| 123 | Grep("privileged: true", glob="**/*.{yml,yaml}") # 特权容器 |
| 124 | Grep("allowPrivilegeEscalation: true", glob="**/*.{yml,yaml}") |
| 125 | Grep("runAsUser: 0|runAsNonRoot: false", glob="**/*.{yml,yaml}") # root 运行 |
| 126 | Grep("hostNetwork: true|hostPID: true|hostIPC: true", glob="**/*.{yml,yaml}") |
| 127 | Grep("hostPath:", glob="**/*.{yml,yaml}") # 宿主机路径挂载 |
| 128 | |
| 129 | # D11: RBAC |
| 130 | Grep("cluster-admin|system:masters", glob="**/*.{yml,yaml}") # 过宽权限 |
| 131 | Grep("resources:.*\\*|verbs:.*\\*", glob="**/*.{yml,yaml}") # 通配符权限 |
| 132 | |
| 133 | # D12: 资源限制 |
| 134 | Grep("resources:", glob="**/*.{yml,yaml}") # 检查 limits 存在 |
| 135 | Grep("limits:", glob="**/*.{yml,yaml}") # CPU/memory limits |
| 136 | |
| 137 | # D13: Secrets |
| 138 | Grep("kind: Secret", glob="**/*.{yml,yaml}") # 明文 Secret（应用 sealed-secrets/external-secrets） |
| 139 | Grep("stringData:", glob="**/*.{yml,yaml}") # 明文数据 |
| 140 | ``` |
| 141 | |
| 142 | ### Step 3: 逐文件深度审计 |
| 143 | |
| 144 | 对每个发现的文件，Read 完整内容后按以下检查清单审计： |
| 145 | |
| 146 | #### Dockerfile 审计清单 |
| 147 | |
| 148 | | # | 检查项 | 严重性 | 判定标准 | |
| 149 | |---|--------|--------|---------| |
| 150 | <!-- Replace {{INTERNAL_REGISTRY}} with your organization's internal Docker/package registry URL --> |
| 151 | | F1 | Base Image 来源 | HIGH | FROM 必须以 `{{INTERNAL_REGISTRY}}/d |
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