Yum Install Allows Manual Input

  • Query id: 6e19193a-8753-436d-8a09-76dcff91bb03
  • Query name: Yum Install Allows Manual Input
  • Platform: Dockerfile
  • Severity: Low
  • Category: Supply-Chain
  • CWE: 710
  • URL: Github

Description

Need to use -y to avoid manual input 'yum install -y '
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 yum install bundler
RUN ["sudo yum", "install", "bundler"]
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 sudo yum install -y bundler
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"]