CVE-2024-9486 VM images built with Image Builder and Proxmox provider use default credentials
Attackers can gain root access to Kubernetes nodes if they use VM images built with the Proxmox provider that retain default credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-9486?
CVE-2024-9486 is a critical vulnerability in Kubernetes Image Builder, published on 15 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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. Virtual machine images built using the Proxmox provider do not disable these default credentials, and nodes using the resulting images may be accessible via these default credentials. The credentials can be used to gain root access. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project with its Proxmox provider.
Weakness: CWE-798
Which versions are affected by CVE-2024-9486?
3 open source packages ship an affected version, including github.com/kubernetes-sigs/image-builder. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/kubernetes-sigs/image-builder Go | All versions | 0.1.38 |
github.com/kubernetes-sigs/image-builder Go | All versions | 0.1.38 |
github.com/kubernetes-sigs/image-builder Go | All versions | 0.1.38 |
Products include Kubernetes-Sigs Image Builder.
How do I fix CVE-2024-9486?
Upgrade github.com/kubernetes-sigs/image-builder to 0.1.38 or later.
Is CVE-2024-9486 being exploited?
There is no known exploitation of CVE-2024-9486 in the wild and no public exploit code.
Other vulnerabilities in Kubernetes Image Builder
Sources
Also known as GHSA-9224-ggvw-wh7v, GO-2024-3203.