45 lines
2.2 KiB
Markdown
45 lines
2.2 KiB
Markdown
# Vulnerability Roundup {#chap-vulnerability-roundup}
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## Issues {#vulnerability-roundup-issues}
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Vulnerable packages in Nixpkgs are managed using issues.
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Currently opened ones can be found using the following:
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[github.com/NixOS/nixpkgs/issues?q=is:issue+is:open+"Vulnerability+roundup"](https://github.com/NixOS/nixpkgs/issues?q=is%3Aissue+is%3Aopen+%22Vulnerability+roundup%22)
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Each issue correspond to a vulnerable version of a package; As a consequence:
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- One issue can contain several CVEs;
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- One CVE can be shared across several issues;
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- A single package can be concerned by several issues.
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A "Vulnerability roundup" issue usually respects the following format:
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```txt
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<link to relevant package search on search.nix.gsc.io>, <link to relevant files in Nixpkgs on GitHub>
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<list of related CVEs, their CVSS score, and the impacted NixOS version>
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<list of the scanned Nixpkgs versions>
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<list of relevant contributors>
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```
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Note that there can be an extra comment containing links to previously reported (and still open) issues for the same package.
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## Triaging and Fixing {#vulnerability-roundup-triaging-and-fixing}
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**Note**: An issue can be a "false positive" (i.e. automatically opened, but without the package it refers to being actually vulnerable).
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If you find such a "false positive", comment on the issue an explanation of why it falls into this category, linking as much information as the necessary to help maintainers double check.
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If you are investigating a "true positive":
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- Find the earliest patched version or a code patch in the CVE details;
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- Is the issue already patched (version up-to-date or patch applied manually) in Nixpkgs's `master` branch?
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- **No**:
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- [Submit a security fix](#submitting-changes-submitting-security-fixes);
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- Once the fix is merged into `master`, [submit the change to the vulnerable release branch(es)](https://nixos.org/manual/nixpkgs/stable/#submitting-changes-stable-release-branches);
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- **Yes**: [Backport the change to the vulnerable release branch(es)](https://nixos.org/manual/nixpkgs/stable/#submitting-changes-stable-release-branches).
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- When the patch has made it into all the relevant branches (`master`, and the vulnerable releases), close the relevant issue(s).
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