Sandbox::https://togithub.com/defenseunicorns/zarf/pull/2612

lucasrod16 · 2024-06-11T18:20:48Z

Description

When creating an image SBOM with syft, we currently pass an empty string "" to NewFromStereoscopeImageObject when creating a new image source object.

source.NewFromStereoscopeImageObject(syftImage, "", nil)

The second argument is the image reference. This data is ultimately used to populate the source metadata in the final SBOM, but since we pass an empty string, the userInput field is empty.

The fix is to pass in the image reference so that the userInput field is populated in the final SBOM.

source.NewFromStereoscopeImageObject(syftImage, ref, nil)

Steps to reproduce:

Create this package

kind: ZarfPackageConfig
metadata:
  name: sbom-test
  architecture: amd64
components:
  - name: sbom-test
    required: true
    images:
      - quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z

Extract the package

zarf tools archiver decompress zarf-package-sbom-test-amd64.tar.zst sbom

Extract the sbom tarball

zarf tools archiver decompress sbom/sboms.tar sbom/syft

Check the .source.metadata.userInput field in the image SBOM
```
cat sbom/syft/quay.io_minio_minio_RELEASE.2024-03-21T23-13-43Z.json | jq .source.metadata.userInput
```
With current Zarf, you will see that it returns an empty string. Re-run all of the above steps with Zarf built from this PR branch, and you will see it returns the image reference quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z
Generate a vulnerability scan report with grype
```
cat sbom/syft/quay.io_minio_minio_RELEASE.2024-03-21T23-13-43Z.json | grype -o sarif > zarf-scan.json 
```
You will see that the generated report is missing the image reference in the output

"text": "A medium vulnerability in go-module package: gopkg.in/square/go-jose.v2, version v2.6.0 was found in image at: /usr/bin/minio"

Re-run all of the above steps with Zarf built from this PR branch, and you will see the image reference in the generated report:

"text": "A medium vulnerability in go-module package: gopkg.in/square/go-jose.v2, version v2.6.0 was found in image quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z at: /usr/bin/minio"

Related Issue

Fixes #2608

Checklist before merging

Test, docs, adr added or updated as needed
Contributor Guide Steps followed

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## Description When creating an image SBOM with syft, we currently pass an empty string `""` to `NewFromStereoscopeImageObject` when creating a new image source object. ```go source.NewFromStereoscopeImageObject(syftImage, "", nil) ``` The second argument is the image reference. This data is ultimately used to populate the source metadata in the final SBOM, but since we pass an empty string, the `userInput` field is empty. The fix is to pass in the image reference so that the `userInput` field is populated in the final SBOM. ```go source.NewFromStereoscopeImageObject(syftImage, ref, nil) ``` Steps to reproduce: 1. Create this package ```yaml kind: ZarfPackageConfig metadata: name: sbom-test architecture: amd64 components: - name: sbom-test required: true images: - quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z ``` 1. Extract the package ```shell zarf tools archiver decompress zarf-package-sbom-test-amd64.tar.zst sbom ``` 1. Extract the sbom tarball ```shell zarf tools archiver decompress sbom/sboms.tar sbom/syft ``` 1. Check the `.source.metadata.userInput` field in the image SBOM ```shell cat sbom/syft/quay.io_minio_minio_RELEASE.2024-03-21T23-13-43Z.json | jq .source.metadata.userInput ``` With current Zarf, you will see that it returns an empty string. Re-run all of the above steps with Zarf built from this PR branch, and you will see it returns the image reference `quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z` 1. Generate a vulnerability scan report with `grype` ```shell cat sbom/syft/quay.io_minio_minio_RELEASE.2024-03-21T23-13-43Z.json | grype -o sarif > zarf-scan.json ``` You will see that the generated report is missing the image reference in the output `"text": "A medium vulnerability in go-module package: gopkg.in/square/go-jose.v2, version v2.6.0 was found in image at: /usr/bin/minio"` Re-run all of the above steps with Zarf built from this PR branch, and you will see the image reference in the generated report: `"text": "A medium vulnerability in go-module package: gopkg.in/square/go-jose.v2, version v2.6.0 was found in image quay.io/minio/minio:RELEASE.2024-03-21T23-13-43Z at: /usr/bin/minio"` ## Related Issue Fixes #2608 ## Checklist before merging - [x] Test, docs, adr added or updated as needed - [x] [Contributor Guide Steps](https://github.com/defenseunicorns/zarf/blob/main/.github/CONTRIBUTING.md#developer-workflow) followed Signed-off-by: Austin Abro <AustinAbro321@gmail.com>

fix: pass image reference to syft sbom source object

7c2bc53

lucasrod16 requested review from a team and dgershman as code owners June 11, 2024 18:20

AustinAbro321 approved these changes Jun 11, 2024

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schristoff-du approved these changes Jun 11, 2024

View reviewed changes

lucasrod16 merged commit 83da6d2 into main Jun 11, 2024

lucasrod16 deleted the fix/2608-pass-img-ref-to-syft branch June 11, 2024 20:10

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fix: pass image reference to syft sbom source object - #2612

fix: pass image reference to syft sbom source object#2612
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fix/2608-pass-img-ref-to-syft

lucasrod16 commented Jun 11, 2024

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lucasrod16 commented Jun 11, 2024

Description

Related Issue

Checklist before merging

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