GitHub Workflows security hardening #16075
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Signed-off-by: Alex <[email protected]>
Signed-off-by: Alex <[email protected]>
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previously in this area: #15538 |
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/signed cla |
Looking at https://github.com/lampepfl/dotty/pull/15538/files#diff-944291df2c9c06359d37cc8833d182d705c9e8c3108e7cfe132d61a06e9133ddR612 this added |
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An example of current permissions (without the changes in the pull request):
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Signed cla again... |
anatoliykmetyuk
approved these changes
Dec 13, 2022
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This PR adds explicit permissions section to workflows. This is a security best practice because by default workflows run with extended set of permissions (except from
on: pull_requestfrom external forks). By specifying any permission explicitly all others are set to none. By using the principle of least privilege the damage a compromised workflow can do (because of an injection or compromised third party tool or action) is restricted.It is recommended to have most strict permissions on the top level and grant write permissions on job level case by case.