CVE-2024-31216 (CVSS 5.1)

Description

The source-controller is a Kubernetes operator, specialised in artifacts acquisition from external sources such as Git, OCI, Helm repositories and S3-compatible buckets. The source-controller implements the source.toolkit.fluxcd.io API and is a core component of the GitOps toolkit. Prior to version 1.2.5, when source-controller was configured to use an Azure SAS token when connecting to Azure Blob Storage, the token was logged along with the Azure URL when the controller encountered a connection error. An attacker with access to the source-controller logs could use the token to gain access to the Azure Blob Storage until the token expires. This vulnerability was fixed in source-controller v1.2.5. There is no workaround for this vulnerability except for using a different auth mechanism such as Azure Workload Identity.

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CVSS v3.1 Score

5.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-532 CWE-532

References

Other References

https://github.com/fluxcd/source-controller/commit/915d1a072a4f37dd460ba33079dc094aa6e72fa9 https://github.com/fluxcd/source-controller/pull/1430 https://github.com/fluxcd/source-controller/security/advisories/GHSA-v554-xwgw-hc3w https://github.com/fluxcd/source-controller/commit/915d1a072a4f37dd460ba33079dc094aa6e72fa9 https://github.com/fluxcd/source-controller/pull/1430 https://github.com/fluxcd/source-controller/security/advisories/GHSA-v554-xwgw-hc3w

Frequently Asked Questions

What is CVE-2024-31216? +

The source-controller is a Kubernetes operator, specialised in artifacts acquisition from external sources such as Git, OCI, Helm repositories and S3-compatible buckets. The source-controller implements the source.toolkit.fluxcd.io API and is a core component of the GitOps toolkit. Prior to version 1.2.5, when source-controller was configured to use an Azure SAS token when connecting to Azure Blob Storage, the token was logged along with the Azure URL when the controller encountered a connection error. An attacker with access to the source-controller logs could use the token to gain access to the Azure Blob Storage until the token expires. This vulnerability was fixed in source-controller v1.2.5. There is no workaround for this vulnerability except for using a different auth mechanism such as Azure Workload Identity. It has a CVSS v3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2024-31216? +

CVE-2024-31216 has a CVSS v3.1 score of 5.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-31216? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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