Missing User Instruction
- Query id: fd54f200-402c-4333-a5a4-36ef6709af2f
- Query name: Missing User Instruction
- Platform: Dockerfile
- Severity: High
- Category: Build Process
- URL: Github
Description¶
A user should be specified in the dockerfile, otherwise the image will run as root
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Postitive test num. 1 - dockerfile file
FROM python:2.7
RUN pip install Flask==0.11.1
RUN useradd -ms /bin/bash patrick
COPY --chown=patrick:patrick app /app
WORKDIR /app
CMD ["python", "app.py"]
Code samples without security vulnerabilities¶
Negative test num. 1 - dockerfile file
FROM python:2.7
RUN pip install Flask==0.11.1
RUN useradd -ms /bin/bash patrick
COPY --chown=patrick:patrick app /app
WORKDIR /app
USER patrick
CMD ["python", "app.py"]
FROM scratch
RUN pip install Flask==0.11.1
RUN useradd -ms /bin/bash patrick
COPY --chown=patrick:patrick app /app
WORKDIR /app
CMD ["python", "app.py"]