Description
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| argoproj | argo-cd | >= 1.0.0, < 2.9.20, >= 2.10.0, < 2.10.15, >= 2.11.0, < 2.11.6 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/argoproj/argo-cd | >= 1.0.0, <= 1.8.7 | — | GHSA-jmvp-698c-4x3w |
| Go | github.com/argoproj/argo-cd | >= 1.0.0 | — | GO-2024-3002 |
| Go | github.com/argoproj/argo-cd/v2 | < 2.9.20 | 2.9.20 | GHSA-jmvp-698c-4x3w |
| Go | github.com/argoproj/argo-cd/v2 | >= 2.10.0, < 2.10.15 | 2.10.15 | GHSA-jmvp-698c-4x3w |
| Go | github.com/argoproj/argo-cd/v2 | >= 2.11.0, < 2.11.6 | 2.11.6 | GHSA-jmvp-698c-4x3w |
| Go | github.com/argoproj/argo-cd/v2 | < 2.9.20 · >= 2.10.0, < 2.10.15 · >= 2.11.0, < 2.11.6 | 2.9.20, 2.10.15, 2.11.6 | GO-2024-3002 |
Advisories 1
- WID-SEC-2024-1718 Red Hat OpenShift (GitOps): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Aug 1, 2024
References
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
- https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
- https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
- https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df