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- Collect component Role rules under operator Role instead of

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ClusterRole (bsc#1223965, CVE-2024-33394)
  0001-Collect-component-Role-rules-under-operator-Role-ins.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/kubevirt?expand=0&rev=157
This commit is contained in:
Vasily Ulyanov 2024-06-20 14:00:51 +00:00 committed by Git OBS Bridge
parent 5b9dda4b09
commit da59b7e0ab
3 changed files with 463 additions and 0 deletions
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455
0001-Collect-component-Role-rules-under-operator-Role-ins.patch Normal file
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@ -0,0 +1,455 @@
From 5b86f015a18b4f01ed5dd475509a7bd6ccd1dc67 Mon Sep 17 00:00:00 2001
From: Jed Lejosne <jed@redhat.com>
Date: Mon, 10 Jun 2024 11:34:23 -0400
Subject: [PATCH] Collect component Role rules under operator Role instead of
ClusterRole
Signed-off-by: Jed Lejosne <jed@redhat.com>
---
manifests/generated/operator-csv.yaml.in | 124 +++++++++---------
.../rbac-operator.authorization.k8s.yaml.in | 124 +++++++++---------
.../resource/generate/rbac/operator.go | 35 +++--
.../resource/generate/rbac/operator_test.go | 18 +++
4 files changed, 169 insertions(+), 132 deletions(-)
diff --git a/manifests/generated/operator-csv.yaml.in b/manifests/generated/operator-csv.yaml.in
index b50caafad..e70bb676b 100644
--- a/manifests/generated/operator-csv.yaml.in
+++ b/manifests/generated/operator-csv.yaml.in
@@ -464,14 +464,6 @@ spec:
- create
- list
- get
- - apiGroups:
- - ""
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- ""
resources:
@@ -721,42 +713,6 @@ spec:
verbs:
- list
- watch
- - apiGroups:
- - route.openshift.io
- resources:
- - routes
- verbs:
- - list
- - get
- - watch
- - apiGroups:
- - ""
- resources:
- - secrets
- verbs:
- - list
- - get
- - watch
- - apiGroups:
- - networking.k8s.io
- resources:
- - ingresses
- verbs:
- - list
- - get
- - watch
- - apiGroups:
- - coordination.k8s.io
- resources:
- - leases
- verbs:
- - get
- - list
- - watch
- - delete
- - update
- - create
- - patch
- apiGroups:
- kubevirt.io
resources:
@@ -813,14 +769,6 @@ spec:
- get
- list
- watch
- - apiGroups:
- - ""
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- export.kubevirt.io
resources:
@@ -836,16 +784,6 @@ spec:
verbs:
- list
- watch
- - apiGroups:
- - ""
- resourceNames:
- - kubevirt-export-ca
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- kubevirt.io
resources:
@@ -1445,6 +1383,68 @@ spec:
- update
- create
- patch
+ - apiGroups:
+ - ""
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
+ - apiGroups:
+ - route.openshift.io
+ resources:
+ - routes
+ verbs:
+ - list
+ - get
+ - watch
+ - apiGroups:
+ - ""
+ resources:
+ - secrets
+ verbs:
+ - list
+ - get
+ - watch
+ - apiGroups:
+ - networking.k8s.io
+ resources:
+ - ingresses
+ verbs:
+ - list
+ - get
+ - watch
+ - apiGroups:
+ - coordination.k8s.io
+ resources:
+ - leases
+ verbs:
+ - get
+ - list
+ - watch
+ - delete
+ - update
+ - create
+ - patch
+ - apiGroups:
+ - ""
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
+ - apiGroups:
+ - ""
+ resourceNames:
+ - kubevirt-export-ca
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
serviceAccountName: kubevirt-operator
strategy: deployment
installModes:
diff --git a/manifests/generated/rbac-operator.authorization.k8s.yaml.in b/manifests/generated/rbac-operator.authorization.k8s.yaml.in
index e8146bb1b..c0e76e8e6 100644
--- a/manifests/generated/rbac-operator.authorization.k8s.yaml.in
+++ b/manifests/generated/rbac-operator.authorization.k8s.yaml.in
@@ -75,6 +75,68 @@ rules:
- update
- create
- patch
+- apiGroups:
+ - ""
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
+- apiGroups:
+ - route.openshift.io
+ resources:
+ - routes
+ verbs:
+ - list
+ - get
+ - watch
+- apiGroups:
+ - ""
+ resources:
+ - secrets
+ verbs:
+ - list
+ - get
+ - watch
+- apiGroups:
+ - networking.k8s.io
+ resources:
+ - ingresses
+ verbs:
+ - list
+ - get
+ - watch
+- apiGroups:
+ - coordination.k8s.io
+ resources:
+ - leases
+ verbs:
+ - get
+ - list
+ - watch
+ - delete
+ - update
+ - create
+ - patch
+- apiGroups:
+ - ""
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
+- apiGroups:
+ - ""
+ resourceNames:
+ - kubevirt-export-ca
+ resources:
+ - configmaps
+ verbs:
+ - get
+ - list
+ - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
@@ -404,14 +466,6 @@ rules:
- create
- list
- get
-- apiGroups:
- - ""
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- ""
resources:
@@ -661,42 +715,6 @@ rules:
verbs:
- list
- watch
-- apiGroups:
- - route.openshift.io
- resources:
- - routes
- verbs:
- - list
- - get
- - watch
-- apiGroups:
- - ""
- resources:
- - secrets
- verbs:
- - list
- - get
- - watch
-- apiGroups:
- - networking.k8s.io
- resources:
- - ingresses
- verbs:
- - list
- - get
- - watch
-- apiGroups:
- - coordination.k8s.io
- resources:
- - leases
- verbs:
- - get
- - list
- - watch
- - delete
- - update
- - create
- - patch
- apiGroups:
- kubevirt.io
resources:
@@ -753,14 +771,6 @@ rules:
- get
- list
- watch
-- apiGroups:
- - ""
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- export.kubevirt.io
resources:
@@ -776,16 +786,6 @@ rules:
verbs:
- list
- watch
-- apiGroups:
- - ""
- resourceNames:
- - kubevirt-export-ca
- resources:
- - configmaps
- verbs:
- - get
- - list
- - watch
- apiGroups:
- kubevirt.io
resources:
diff --git a/pkg/virt-operator/resource/generate/rbac/operator.go b/pkg/virt-operator/resource/generate/rbac/operator.go
index 365fb0600..b90a5fae8 100644
--- a/pkg/virt-operator/resource/generate/rbac/operator.go
+++ b/pkg/virt-operator/resource/generate/rbac/operator.go
@@ -317,15 +317,14 @@ func NewOperatorClusterRole() *rbacv1.ClusterRole {
}
// now append all rules needed by KubeVirt's components
- operatorRole.Rules = append(operatorRole.Rules, getKubeVirtComponentsRules()...)
+ operatorRole.Rules = append(operatorRole.Rules, getKubeVirtComponentsClusterRules()...)
return operatorRole
}
-func getKubeVirtComponentsRules() []rbacv1.PolicyRule {
-
+func getKubeVirtComponentsClusterRules() []rbacv1.PolicyRule {
var rules []rbacv1.PolicyRule
- // namespace doesn't matter, we are only interested in the rules of both Roles and ClusterRoles
+ // namespace doesn't matter, we are only interested in the rules of ClusterRoles
all := GetAllApiServer("")
all = append(all, GetAllController("")...)
all = append(all, GetAllHandler("")...)
@@ -337,9 +336,6 @@ func getKubeVirtComponentsRules() []rbacv1.PolicyRule {
case *rbacv1.ClusterRole:
role, _ := resource.(*rbacv1.ClusterRole)
rules = append(rules, role.Rules...)
- case *rbacv1.Role:
- role, _ := resource.(*rbacv1.Role)
- rules = append(rules, role.Rules...)
}
}
@@ -375,6 +371,27 @@ func getKubeVirtComponentsRules() []rbacv1.PolicyRule {
return rules
}
+func getKubeVirtComponentsRules() []rbacv1.PolicyRule {
+ var rules []rbacv1.PolicyRule
+
+ // namespace doesn't matter, we are only interested in the rules
+ all := GetAllApiServer("")
+ all = append(all, GetAllController("")...)
+ all = append(all, GetAllHandler("")...)
+ all = append(all, GetAllExportProxy("")...)
+ all = append(all, GetAllCluster()...)
+
+ for _, resource := range all {
+ switch resource.(type) {
+ case *rbacv1.Role:
+ role, _ := resource.(*rbacv1.Role)
+ rules = append(rules, role.Rules...)
+ }
+ }
+
+ return rules
+}
+
func newOperatorClusterRoleBinding(namespace string) *rbacv1.ClusterRoleBinding {
return &rbacv1.ClusterRoleBinding{
TypeMeta: metav1.TypeMeta{
@@ -432,7 +449,7 @@ func newOperatorRoleBinding(namespace string) *rbacv1.RoleBinding {
// NewOperatorRole creates a Role object for kubevirt-operator.
func NewOperatorRole(namespace string) *rbacv1.Role {
- return &rbacv1.Role{
+ operatorRole := &rbacv1.Role{
TypeMeta: metav1.TypeMeta{
APIVersion: VersionNamev1,
Kind: "Role",
@@ -527,6 +544,8 @@ func NewOperatorRole(namespace string) *rbacv1.Role {
},
},
}
+ operatorRole.Rules = append(operatorRole.Rules, getKubeVirtComponentsRules()...)
+ return operatorRole
}
func GetKubevirtComponentsServiceAccounts(namespace string) map[string]bool {
diff --git a/pkg/virt-operator/resource/generate/rbac/operator_test.go b/pkg/virt-operator/resource/generate/rbac/operator_test.go
index 51bd479cc..22c7d30c0 100644
--- a/pkg/virt-operator/resource/generate/rbac/operator_test.go
+++ b/pkg/virt-operator/resource/generate/rbac/operator_test.go
@@ -67,6 +67,11 @@ var _ = Describe("RBAC", func() {
Expect(clusterRoleBinding.Subjects[0].Namespace).To(BeEquivalentTo(expectedNamespace))
})
+ It("doesn't have critical cluster-wide permissions", func() {
+ clusterRole := getFirstItemOfType(forOperator, reflect.TypeOf(&rbacv1.ClusterRole{})).(*rbacv1.ClusterRole)
+ Expect(clusterRole).ToNot(BeNil())
+ expectExactRuleDoesntExists(clusterRole.Rules, "", "secrets", "get", "list", "watch")
+ })
})
Context("GetKubevirtComponentsServiceAccounts", func() {
@@ -96,3 +101,16 @@ func getFirstItemOfType(items []interface{}, tp reflect.Type) interface{} {
}
return nil
}
+
+func expectExactRuleDoesntExists(rules []rbacv1.PolicyRule, apiGroup, resource string, verbs ...string) {
+ for _, rule := range rules {
+ if contains(rule.APIGroups, apiGroup) &&
+ contains(rule.Resources, resource) {
+ for _, verb := range verbs {
+ if contains(rule.Verbs, verb) {
+ Fail(fmt.Sprintf("Found rule (apiGroup: %s, resource: %s, verbs: %v)", apiGroup, resource, rule.Verbs))
+ }
+ }
+ }
+ }
+}
--
2.45.2

7
kubevirt.changes
View File

@ -1,3 +1,10 @@
-------------------------------------------------------------------
Thu Jun 20 13:48:18 UTC 2024 - Vasily Ulyanov <vasily.ulyanov@suse.com>
- Collect component Role rules under operator Role instead of
ClusterRole (bsc#1223965, CVE-2024-33394)
0001-Collect-component-Role-rules-under-operator-Role-ins.patch
-------------------------------------------------------------------
Thu Jun 6 06:54:11 UTC 2024 - Vasily Ulyanov <vasily.ulyanov@suse.com>

1
kubevirt.spec
View File

@ -41,6 +41,7 @@ Source1: kubevirt_containers_meta
Source2: kubevirt_containers_meta.service
Source3: %{url}/releases/download/v%{version}/disks-images-provider.yaml
Source100: %{name}-rpmlintrc
Patch1: 0001-Collect-component-Role-rules-under-operator-Role-ins.patch
BuildRequires: glibc-devel-static
BuildRequires: golang-packaging
BuildRequires: pkgconfig