Do not give wide permissions on files

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Metadata

ID: docker-best-practices/avoid-chmod-777

Language: Docker

Severity: Warning

Category: Security

Description

Make sure you do not give too many permissions with copying or adding a file. Adding write permissions to all means that any other users may modify the files.

Non-Compliant Code Examples

ADD --chmod=777 src dst
COPY --chmod=777 src dst

Compliant Code Examples

ADD --chmod=755 src dst
COPY --chmod=755 src dst

How to use this rule

1
2
rulesets:
  - docker-best-practices     # Rules to enforce Docker best practices.

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