Same Alias In Different Froms

• Query id: f2daed12-c802-49cd-afed-fe41d0b82fed
• Query name: Same Alias In Different Froms
• Platform: Dockerfile
• Severity: High
• Category: Build Process
• URL: Github

Description

Different FROMS cant have the same alias defined
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - dockerfile file

FROM baseImage
RUN Test

FROM debian:jesse2 as build
RUN stuff

FROM debian:jesse1 as build
RUN more_stuff

Code samples without security vulnerabilities

Negative test num. 1 - dockerfile file

FROM debian:jesse1 as build
RUN stuff

FROM debian:jesse1 as another-alias
RUN more_stuff