CVE-2023-30512 CubeFS allows Kubernetes cluster-level privilege escalation
Attackers can escalate privileges in Kubernetes clusters by exploiting CubeFS DaemonSet permissions to list all secrets, including admin credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-30512?
CVE-2023-30512 is a medium-severity vulnerability in n/a, published on 12 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
CubeFS through 3.2.1 allows Kubernetes cluster-level privilege escalation. This occurs because DaemonSet has cfs-csi-cluster-role and can thus list all secrets, including the admin secret.
Weakness: CWE-732
Which versions are affected by CVE-2023-30512?
2 open source packages ship an affected version, including github.com/cubefs/cubefs. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/cubefs/cubefs Go | All versions to 3.2.1 | None |
github.com/cubefs/cubefs Go | All versions to 3.2.1 | None |
Products include Linuxfoundation Cubefs.
How do I fix CVE-2023-30512?
No fix has been published for CVE-2023-30512 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-30512 being exploited?
There is no known exploitation of CVE-2023-30512 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2023-46738 Authenticated users can crash the CubeFS servers with maliciously crafted requests
- CVE-2023-46739 Timing attack can leak user passwords
- CVE-2023-46740 Insecure random string generator used for sensitive data
- CVE-2023-46741 CubeFS leaks magic secret key when starting Blobstore access service
- CVE-2023-46742 CubeFS leaks users key in logs
Sources
Also known as GHSA-9337-8c6c-c2xg.