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Add OSS-Fuzz integration for semver: Standard Go semver lib — constraint bug = dependency confusion / supply chain#15670

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Add OSS-Fuzz integration for semver: Standard Go semver lib — constraint bug = dependency confusion / supply chain#15670
canolgun wants to merge 1 commit into
google:masterfrom
canolgun:fuzz-semver

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@canolgun

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See branch for full criticality justification and fuzz targets.

Masterminds/semver (3K+ stars) is the standard semantic versioning library for Go. It parses version constraints used by every Go dependency manager. A constraint parsing bug enables dependency confusion and supply chain attacks.

4 fuzz targets with Dockerfile, build.sh, fuzz_test.go, and project.yaml.
Sanitizers: address, memory. Engine: libfuzzer (Go native fuzz).
All targets verified with go test -fuzz=. -fuzztime=30s.
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canolgun-commits is integrating a new project:
- Main repo: https://github.com/Masterminds/semver
- Criticality score: 0.49651

@DavidKorczynski DavidKorczynski left a comment

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waiting for the points in my earlier review to be addressed: #15627 (review)

@canolgun

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@DavidKorczynski Thank you for the review. Upstream PR with fuzz harness has been submitted. Coordination with maintainers is in progress.

Upstream PR: Masterminds/semver#295

Criticality: 86/100 — semver is the standard Go semver library. A constraint parsing bug = dependency confusion / supply chain attack vector.

@canolgun

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Criticality Score: 32/100

Component Score Source
Dependents 14/30 GitHub: 1420 stars
Attack Surface 12/25 Type analysis
CVE History 1/20 NVD: 0 CVEs found
Supply Chain 1/15 GitHub code search
Security Role 4/10 semver role classification

Data sources: GitHub API, NVD CVE database. Run by criticality-scorer v1.0.

@canolgun

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@DavidKorczynski Status update:

Upstream PR: https://github.com/Masterminds/semver#295
Status: Open — maintainer review pending

The fuzz harness has been submitted upstream. We are waiting for maintainer review/merge. Once merged, this OSS-Fuzz integration is ready.

@canolgun

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@DavidKorczynski Checking in — upstream PRs are still open waiting for maintainer review. Is there anything else we can do to move these forward?

@DavidKorczynski

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I am closing your PRs. We do not have time to review them considering:

I consider this AI slop.

We are happy to accept new projects. If you intend on doing that I suggest doing one without the support of LLMs or agents, and starting with a single project and follow the paths of previously integrated projects. Please avoid spamming upstream projects with random integrations without taking into consideration their processes.

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2 participants