Em resumo
- CVE-2024-31216 é uma vulnerabilidade MÉDIO (CVSS 5.1) que afeta github.com/fluxcd/source-controller.
- Chance de exploração nos próximos 30 dias (EPSS): 0.21%, maior que 11.5% das vulnerabilidades.
- Correção: atualize para 1.2.5 ou posterior.
Description
Impact
When source-controller is 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.
Patches
This vulnerability was fixed in source-controller v1.2.5.
Workarounds
There is no workaround for this vulnerability except for using a different auth mechanism such as Azure Workload Identity.
Credits
This issue was reported and fixed by Jagpreet Singh Tamber (@jagpreetstamber) from the Azure Arc team.
References
https://github.com/fluxcd/source-controller/pull/1430
For more information
If you have any questions or comments about this advisory:
- Open an issue in the source-controller repository.
- Contact us at the CNCF Flux Channel.
NVD 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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