Headline
CVE-2022-29165: Release v2.2.9 · argoproj/argo-cd
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. A critical vulnerability has been discovered in Argo CD starting with version 1.4.0 and prior to versions 2.1.15, 2.2.9, and 2.3.4 which would allow unauthenticated users to impersonate as any Argo CD user or role, including the admin user, by sending a specifically crafted JSON Web Token (JWT) along with the request. In order for this vulnerability to be exploited, anonymous access to the Argo CD instance must have been enabled. In a default Argo CD installation, anonymous access is disabled. The vulnerability can be exploited to impersonate as any user or role, including the built-in admin account regardless of whether it is enabled or disabled. Also, the attacker does not need an account on the Argo CD instance in order to exploit this. If anonymous access to the instance is enabled, an attacker can escalate their privileges, effectively allowing them to gain the same privileges on the cluster as the Argo CD instance, which is cluster admin in a default installation. This will allow the attacker to create, manipulate and delete any resource on the cluster. They may also exfiltrate data by deploying malicious workloads with elevated privileges, thus bypassing any redaction of sensitive data otherwise enforced by the Argo CD API. A patch for this vulnerability has been released in Argo CD versions 2.3.4, 2.2.9, and 2.1.15. As a workaround, one may disable anonymous access, but upgrading to a patched version is preferable.
Quick Start****Non-HA:
kubectl create namespace argocd kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/v2.2.9/manifests/install.yaml
HA:
kubectl create namespace argocd kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/v2.2.9/manifests/ha/install.yaml
Notes
This is a security release. We urge all users of the 2.2.z branch to update as soon as possible. Please refer to the Security fixes section below for more details.
Security fixes
- CRITICAL: Argo CD will trust invalid JWT claims if anonymous access is enabled (GHSA-r642-gv9p-2wjj)
- LOW: Login screen allows message spoofing if SSO is enabled (GHSA-xmg8-99r8-jc2j)
- MODERATE: Symlink following allows leaking out-of-bound manifests and JSON files from Argo CD repo-server (GHSA-6gcg-hp2x-q54h)
Related news
Red Hat Security Advisory 2022-4671-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include a spoofing vulnerability.
### Impact A critical vulnerability has been discovered in Argo CD which would allow unauthenticated users to impersonate as any Argo CD user or role, including the `admin` user, by sending a specifically crafted JSON Web Token (JWT) along with the request. In order for this vulnerability to be exploited, [anonymous access](https://argo-cd.readthedocs.io/en/stable/operator-manual/rbac/#anonymous-access) to the Argo CD instance must have been enabled. In a default Argo CD installation, anonymous access is disabled. To find out if anonymous access is enabled in your instance, please see the *Workarounds* section of this advisory below. The vulnerability can be exploited to impersonate as any user or role, including the built-in `admin` account regardless of whether that account is enabled or disabled. Also, the attacker does not need an account on the Argo CD instance in order to exploit this. If anonymous access to the instance is enabled, an attacker can: * Escalate their privile...
Red Hat Security Advisory 2022-4690-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include a spoofing vulnerability.
Red Hat Security Advisory 2022-4692-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include a spoofing vulnerability.
Red Hat Security Advisory 2022-4691-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include a spoofing vulnerability.
An update is now available for Red Hat OpenShift GitOps 1.3 in openshift-gitops-argocd container. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-24904: argocd: Symlink following allows leaking out-of-bound manifests and JSON files from Argo CD repo-server * CVE-2022-24905: argocd: Login screen allows message spoofing if SSO is enabled * CVE-2022-29165: argocd: ArgoCD will blindly trust JWT claims if anonymous access is enabled
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