Docker

Blog and Research

• Evolving Container Security With Linux User Namespaces
• Run the Docker daemon as a non-root user (Rootless mode)
• ABSTRACT SHIMMER (CVE-2020-15257): Host Networking is root-Equivalent, Again
• Applied Defense On Docker And Kubernetes
• Access to remapped root allows privilege escalation to real root
• Royal Flush: Privilege Escalation Vulnerability in Azure Functions
• The worst so-called “best practice” for Docker
• A practical guide to writing secure Dockerfiles

Security Tools

• docker-bench-security - The Docker Bench for Security is a script that checks for dozens of common best-practices around deploying Docker containers in production.
• dockscan - dockscan is security vulnerability and audit scanner for Docker installations
• drydock - drydock provides a flexible way of assessing the security of your Docker daemon configuration and containers using editable audit templates
• clair - Clair is an open source project for the static analysis of vulnerabilities in application containers (currently including appc and docker).
• dive - A tool for exploring a docker image, layer contents, and discovering ways to shrink the size of your Docker/OCI image.
• dockerrootplease - Gives you root on the hostOS, if you’re a member of the ‘docker’ group.
• BOtB - A container analysis and exploitation tool for pentesters and engineers.
• docker-security-checker - The SensioLabs Security Checker is a command line tool that checks if your application uses dependencies with known security vulnerabilities.