Argo CD does not scrub secret values from patch errors

Vulnerability Description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. A vulnerability was discovered in Argo CD that exposed secret values in error messages and the diff view when an invalid Kubernetes Secret resource was synced from a repository. The vulnerability assumes the user has write access to the repository and can exploit it, either intentionally or unintentionally, by committing an invalid Secret to repository and triggering a Sync. Once exploited, any user with read access to Argo CD can view the exposed secret data. The vulnerability is fixed in v2.13.4, v2.12.10, and v2.11.13.

References

• https://github.com/argoproj/argo-cd/security/advisories/GHSA-47g2-qmh2-749v
• https://github.com/argoproj/argo-cd/commit/6f5537bdf15ddbaa0f27a1a678632ff0743e4107
• https://github.com/argoproj/gitops-engine/commit/7e21b91e9d0f64104c8a661f3f390c5e6d73ddca