Security - Redis authentication - cherry pick from https://github.com/argoproj/argo-helm-ghsa-4j3q-9h77-jq5x (#74)

charts/argo-cd/Chart.yaml

@@ -1,9 +1,9 @@
 apiVersion: v2
-appVersion: v2.10-2024.3.29-1dcc54e29
+appVersion: v2.10-2024.5.14-9315e75e1
 kubeVersion: ">=1.23.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 6.7.18-2-cap-2.10-2024.3.29-1dcc54e29
+version: 6.7.18-3-cap-2.10-2024.5.14-9315e75e1
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -27,4 +27,6 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: changed
-      description: Upgrade argo-cd to v2.10-2024.3.29-1dcc54e29
+      description: Upgrade argo-cd to v2.10-2024.5.14-9315e75e1
+    - kind: changed
+      description: Fix for security vulnerability GHSA-9766-5277-j5hr - Redis authentication

charts/argo-cd/README.md

@@ -1342,8 +1342,10 @@ The main options are listed here:
 |-----|------|---------|-------------|
 | redis-ha.additionalAffinities | object | `{}` | Additional affinities to add to the Redis server pods. |
 | redis-ha.affinity | string | `""` | Assign custom [affinity] rules to the Redis pods. |
+| redis-ha.auth | bool | `true` | Configures redis-ha with AUTH |
 | redis-ha.containerSecurityContext | object | See [values.yaml] | Redis HA statefulset container-level security context |
 | redis-ha.enabled | bool | `false` | Enables the Redis HA subchart and disables the custom Redis single node deployment |
+| redis-ha.existingSecret | string | `"argocd-redis"` | Existing Secret to use for redis-ha authentication. By default the redis-secret-init Job is generating this Secret. |
 | redis-ha.exporter.enabled | bool | `false` | Enable Prometheus redis-exporter sidecar |
 | redis-ha.exporter.image | string | `"public.ecr.aws/bitnami/redis-exporter"` | Repository to use for the redis-exporter |
 | redis-ha.exporter.tag | string | `"1.58.0"` | Tag to use for the redis-exporter |
@@ -1387,6 +1389,29 @@ If you want to use an existing Redis (eg. a managed service from a cloud provide
 | externalRedis.secretAnnotations | object | `{}` | External Redis Secret annotations |
 | externalRedis.username | string | `""` | External Redis username |
 
+### Redis secret-init
+
+The helm chart deploys a Job to setup a random password which is used to secure the Redis. The Redis password is stored in Kubernetes secret `argocd-redis` with key `auth` in the namespace where Argo CD is installed.
+If you use an External Redis (See Option 3 above), this Job is not deployed.
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| redisSecretInit.containerSecurityContext | object | See [values.yaml] | Application controller container-level security context |
+| redisSecretInit.image.imagePullPolicy | string | `""` (defaults to global.image.imagePullPolicy) | Image pull policy for the Redis secret-init Job |
+| redisSecretInit.image.repository | string | `""` (defaults to global.image.repository) | Repository to use for the Redis secret-init Job |
+| redisSecretInit.image.tag | string | `""` (defaults to global.image.tag) | Tag to use for the Redis secret-init Job |
+| redisSecretInit.imagePullSecrets | list | `[]` (defaults to global.imagePullSecrets) | Secrets with credentials to pull images from a private registry |
+| redisSecretInit.jobAnnotations | object | `{}` | Annotations to be added to the Redis secret-init Job |
+| redisSecretInit.name | string | `"redis-secret-init"` | Redis secret-init name |
+| redisSecretInit.podAnnotations | object | `{}` | Annotations to be added to the Redis secret-init Job |
+| redisSecretInit.podLabels | object | `{}` | Labels to be added to the Redis secret-init Job |
+| redisSecretInit.resources | object | `{}` | Resource limits and requests for Redis secret-init Job |
+| redisSecretInit.securityContext | object | `{}` | Redis secret-init Job pod-level security context |
+| redisSecretInit.serviceAccount.annotations | object | `{}` | Annotations applied to created service account |
+| redisSecretInit.serviceAccount.automountServiceAccountToken | bool | `true` | Automount API credentials for the Service Account |
+| redisSecretInit.serviceAccount.create | bool | `true` | Create a service account for the redis pod |
+| redisSecretInit.serviceAccount.name | string | `""` | Service account name for redis pod |
+
 ## ApplicationSet
 
 | Key | Type | Default | Description |

charts/argo-cd/README.md.gotmpl

@@ -719,6 +719,19 @@ If you want to use an existing Redis (eg. a managed service from a cloud provide
   {{- end }}
 {{- end }}
 
+### Redis secret-init
+
+The helm chart deploys a Job to setup a random password which is used to secure the Redis. The Redis password is stored in Kubernetes secret `argocd-redis` with key `auth` in the namespace where Argo CD is installed.
+If you use an External Redis (See Option 3 above), this Job is not deployed.
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+{{- range .Values }}
+  {{- if hasPrefix "redisSecretInit" .Key }}
+| {{ .Key }} | {{ .Type }} | {{ if .Default }}{{ .Default }}{{ else }}{{ .AutoDefault }}{{ end }} | {{ if .Description }}{{ .Description }}{{ else }}{{ .AutoDescription }}{{ end }} |
+  {{- end }}
+{{- end }}
+
 ## ApplicationSet
 
 | Key | Type | Default | Description |

charts/argo-cd/templates/_helpers.tpl

@@ -86,6 +86,25 @@ Create the name of the redis service account to use
 {{- end -}}
 {{- end -}}
 
+
+{{/*
+Create Redis secret-init name
+*/}}
+{{- define "argo-cd.redisSecretInit.fullname" -}}
+{{- printf "%s-%s" (include "argo-cd.fullname" .) .Values.redisSecretInit.name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the name of the Redis secret-init service account to use
+*/}}
+{{- define "argo-cd.redisSecretInit.serviceAccountName" -}}
+{{- if .Values.redisSecretInit.serviceAccount.create -}}
+    {{ default (include "argo-cd.redisSecretInit.fullname" .) .Values.redis.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.redisSecretInit.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
+
 {{/*
 Create argocd server name and version as used by the chart label.
 */}}

charts/argo-cd/templates/argocd-application-controller/deployment.yaml

@@ -199,15 +199,19 @@ spec:
           - name: REDIS_USERNAME
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 key: redis-username
                 optional: true
           - name: REDIS_PASSWORD
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
+                {{- if .Values.externalRedis.host }}
                 key: redis-password
                 optional: true
+                {{- else }}
+                key: auth
+                {{- end }}
           - name: ARGOCD_DEFAULT_CACHE_EXPIRATION
             valueFrom:
               configMapKeyRef:

charts/argo-cd/templates/argocd-application-controller/statefulset.yaml

@@ -198,15 +198,19 @@ spec:
           - name: REDIS_USERNAME
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 key: redis-username
                 optional: true
           - name: REDIS_PASSWORD
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
+                {{- if .Values.externalRedis.host }}
                 key: redis-password
                 optional: true
+                {{- else }}
+                key: auth
+                {{- end }}
           - name: ARGOCD_DEFAULT_CACHE_EXPIRATION
             valueFrom:
               configMapKeyRef:

charts/argo-cd/templates/argocd-configs/externalredis-secret.yaml

@@ -2,7 +2,7 @@
 apiVersion: v1
 kind: Secret
 metadata:
-  name: {{ include "argo-cd.redis.fullname" . }}
+  name: argocd-redis
   namespace: {{ .Release.Namespace | quote }}
   labels:
     {{- include "argo-cd.labels" (dict "context" $) | nindent 4 }}

charts/argo-cd/templates/argocd-repo-server/deployment.yaml

@@ -179,15 +179,19 @@ spec:
           - name: REDIS_USERNAME
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 key: redis-username
                 optional: true
           - name: REDIS_PASSWORD
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
+                {{- if .Values.externalRedis.host }}
                 key: redis-password
                 optional: true
+                {{- else }}
+                key: auth
+                {{- end }}
           - name: ARGOCD_DEFAULT_CACHE_EXPIRATION
             valueFrom:
               configMapKeyRef:

charts/argo-cd/templates/argocd-server/deployment.yaml

@@ -243,15 +243,19 @@ spec:
           - name: REDIS_USERNAME
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 key: redis-username
                 optional: true
           - name: REDIS_PASSWORD
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
+                {{- if .Values.externalRedis.host }}
                 key: redis-password
                 optional: true
+                {{- else }}
+                key: auth
+                {{- end }}
           - name: ARGOCD_DEFAULT_CACHE_EXPIRATION
             valueFrom:
               configMapKeyRef:

charts/argo-cd/templates/event-reporter/statefulset.yaml

@@ -159,15 +159,19 @@ spec:
           - name: REDIS_USERNAME
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 key: redis-username
                 optional: true
           - name: REDIS_PASSWORD
             valueFrom:
               secretKeyRef:
-                name: {{ default (include "argo-cd.redis.fullname" .) .Values.externalRedis.existingSecret }}
+                name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
+                {{- if .Values.externalRedis.host }}
                 key: redis-password
                 optional: true
+                {{- else }}
+                key: auth
+                {{- end }}
           - name: EVENT_REPORTER_SHARDING_ALGORITHM
             valueFrom:
               configMapKeyRef:

charts/argo-cd/templates/redis-secret-init/job.yaml

@@ -0,0 +1,55 @@
+{{- if not .Values.externalRedis.host }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ include "argo-cd.redisSecretInit.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade
+    "helm.sh/hook-delete-policy": before-hook-creation
+    {{- range $key, $value := .Values.redisSecretInit.jobAnnotations }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.redisSecretInit.name "name" .Values.redisSecretInit.name) | nindent 4 }}
+spec:
+  template:
+    metadata:
+      labels:
+        {{- include "argo-cd.labels" (dict "context" . "component" .Values.redisSecretInit.name "name" .Values.redisSecretInit.name) | nindent 8 }}
+        {{- with (mergeOverwrite (deepCopy .Values.global.podLabels) .Values.redisSecretInit.podLabels) }}
+          {{- toYaml . | nindent 8 }}
+        {{- end }}
+      {{- with (mergeOverwrite (deepCopy .Values.global.podAnnotations) .Values.redisSecretInit.podAnnotations) }}
+      annotations:
+        {{- range $key, $value := . }}
+        {{ $key }}: {{ $value | quote }}
+        {{- end }}
+      {{- end }}
+    spec:
+      {{- with .Values.global.imagePullSecrets }}
+      imagePullSecrets:
+        {{ toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+      - command:
+          - argocd
+          - admin
+          - redis-initial-password
+        image: {{ default .Values.global.image.repository .Values.redisSecretInit.image.repository }}:{{ default (include "argo-cd.defaultTag" .) .Values.redisSecretInit.image.tag }}
+        #image: argocd:GHSA-9766-5277-j5hr
+        imagePullPolicy: {{ default .Values.global.image.imagePullPolicy .Values.redisSecretInit.image.imagePullPolicy }}
+        name: secret-init
+        resources:
+          {{- toYaml .Values.redisSecretInit.resources | nindent 10 }}
+        {{- with .Values.redisSecretInit.containerSecurityContext }}
+        securityContext:
+          {{- toYaml . | nindent 10 }}
+        {{- end }}
+      {{- with .Values.redisSecretInit.securityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      restartPolicy: OnFailure
+      serviceAccountName: {{ include "argo-cd.redisSecretInit.serviceAccountName" . }}
+{{- end }}

charts/argo-cd/templates/redis-secret-init/role.yaml

@@ -0,0 +1,27 @@
+{{- if not .Values.externalRedis.host }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade
+    "helm.sh/hook-delete-policy": before-hook-creation
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.redisSecretInit.name "name" .Values.redisSecretInit.name) | nindent 4 }}
+  name: {{ include "argo-cd.redisSecretInit.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+    resourceNames:
+      - argocd-redis
+    verbs:
+      - get
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+    verbs:
+      - create
+{{- end }}

charts/argo-cd/templates/redis-secret-init/rolebinding.yaml

@@ -0,0 +1,19 @@
+{{- if not .Values.externalRedis.host }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade
+    "helm.sh/hook-delete-policy": before-hook-creation
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.redisSecretInit.name "name" .Values.redisSecretInit.name) | nindent 4 }}
+  name: {{ include "argo-cd.redisSecretInit.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ include "argo-cd.redisSecretInit.fullname" . }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ include "argo-cd.redisSecretInit.serviceAccountName" . }}
+{{- end }}

charts/argo-cd/templates/redis-secret-init/serviceaccount.yaml

@@ -0,0 +1,16 @@
+{{- if not .Values.externalRedis.host }}
+apiVersion: v1
+kind: ServiceAccount
+automountServiceAccountToken: {{ .Values.redisSecretInit.serviceAccount.automountServiceAccountToken }}
+metadata:
+  name: {{ include "argo-cd.redisSecretInit.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  annotations:
+    "helm.sh/hook": pre-install,pre-upgrade
+    "helm.sh/hook-delete-policy": before-hook-creation
+    {{- range $key, $value := .Values.redisSecretInit.serviceAccount.annotations }}
+    {{ $key }}: {{ $value | quote }}
+    {{- end }}
+  labels:
+    {{- include "argo-cd.labels" (dict "context" . "component" .Values.redisSecretInit.name "name" .Values.redisSecretInit.name) | nindent 4 }}
+{{- end }}

charts/argo-cd/templates/redis/deployment.yaml

@@ -65,8 +65,14 @@ spec:
         - ""
         - --appendonly
         - "no"
-        {{- with (concat .Values.global.env .Values.redis.env) }}
+        - --requirepass $(REDIS_PASSWORD)
         env:
+        - name: REDIS_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: argocd-redis
+              key: auth
+        {{- with (concat .Values.global.env .Values.redis.env) }}
           {{- toYaml . | nindent 8 }}
         {{- end }}
         {{- with .Values.redis.envFrom }}

charts/argo-cd/templates/redis/health-configmap.yaml

@@ -11,6 +11,7 @@ data:
   redis_liveness.sh: |
     response=$(
       redis-cli \
+        -a "${REDIS_PASSWORD}" --no-auth-warning \
         -h localhost \
         -p {{ .Values.redis.containerPorts.redis }} \
         ping
@@ -23,6 +24,7 @@ data:
   redis_readiness.sh: |
     response=$(
       redis-cli \
+        -a "${REDIS_PASSWORD}" --no-auth-warning \
         -h localhost \
         -p {{ .Values.redis.containerPorts.redis }} \
         ping

charts/argo-cd/values.yaml

@@ -1554,6 +1554,12 @@ redis-ha:
     containerSecurityContext:
       readOnlyRootFilesystem: true
 
+  # -- Configures redis-ha with AUTH
+  auth: true
+  # -- Existing Secret to use for redis-ha authentication.
+  # By default the redis-secret-init Job is generating this Secret.
+  existingSecret: argocd-redis
+
   # -- Whether the Redis server pods should be forced to run on separate nodes.
   hardAntiAffinity: true
 
@@ -1601,6 +1607,69 @@ externalRedis:
   # -- External Redis Secret annotations
   secretAnnotations: {}
 
+redisSecretInit:
+  # -- Redis secret-init name
+  name: redis-secret-init
+
+  image:
+    # -- Repository to use for the Redis secret-init Job
+    # @default -- `""` (defaults to global.image.repository)
+    repository: "" # defaults to global.image.repository
+    # -- Tag to use for the Redis secret-init Job
+    # @default -- `""` (defaults to global.image.tag)
+    tag: "" # defaults to global.image.tag
+    # -- Image pull policy for the Redis secret-init Job
+    # @default -- `""` (defaults to global.image.imagePullPolicy)
+    imagePullPolicy: "" # IfNotPresent
+
+  # -- Secrets with credentials to pull images from a private registry
+  # @default -- `[]` (defaults to global.imagePullSecrets)
+  imagePullSecrets: []
+
+  # -- Annotations to be added to the Redis secret-init Job
+  jobAnnotations: {}
+
+  # -- Annotations to be added to the Redis secret-init Job
+  podAnnotations: {}
+
+  # -- Labels to be added to the Redis secret-init Job
+  podLabels: {}
+
+  # -- Resource limits and requests for Redis secret-init Job
+  resources: {}
+  #  limits:
+  #    cpu: 200m
+  #    memory: 128Mi
+  #  requests:
+  #    cpu: 100m
+  #    memory: 64Mi
+
+  # -- Application controller container-level security context
+  # @default -- See [values.yaml]
+  containerSecurityContext:
+    allowPrivilegeEscalation: false
+    capabilities:
+      drop:
+        - ALL
+    readOnlyRootFilesystem: true
+    runAsNonRoot: true
+    seccompProfile:
+      type: RuntimeDefault
+
+  # -- Redis secret-init Job pod-level security context
+  securityContext: {}
+
+  serviceAccount:
+    # -- Create a service account for the redis pod
+    create: true
+    # -- Service account name for redis pod
+    name: ""
+    # -- Annotations applied to created service account
+    annotations: {}
+    # -- Automount API credentials for the Service Account
+    automountServiceAccountToken: true
+
+
 ## Server
 server:
   # -- Argo CD server name