Run Using Sudo

• Query id: 8ada6e80-0ade-439e-b176-0b28f6bce35a
• Query name: Run Using Sudo
• Platform: Dockerfile
• Severity: High
• Category: Insecure Configurations
• URL: Github

Description

Avoid RUN with sudo command as it leads to unpredictable behavior
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - dockerfile file

FROM alpine:3.5
RUN apk add --update py2-pip
RUN sudo pip install --upgrade pip
COPY requirements.txt /usr/src/app/
RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt
COPY app.py /usr/src/app/
COPY templates/index.html /usr/src/app/templates/
EXPOSE 5000
CMD ["python", "/usr/src/app/app.py"]

Code samples without security vulnerabilities

Negative test num. 1 - dockerfile file

FROM alpine:3.5
RUN apk add --update py2-pip
RUN pip install --upgrade pip
RUN apt-get install sudo
COPY requirements.txt /usr/src/app/
RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt
COPY app.py /usr/src/app/
COPY templates/index.html /usr/src/app/templates/
EXPOSE 5000
CMD ["python", "/usr/src/app/app.py"]