Yum Install Allows Manual Input

Query id: 6e19193a-8753-436d-8a09-76dcff91bb03
Query name: Yum Install Allows Manual Input
Platform: Dockerfile
Severity: Medium
Category: Supply-Chain
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"]