upgrade to latest dependencies (#489)

bumping knative.dev/networking 75dcd54...a595805:
  > a595805 Run ./hack/update-deps.sh --upgrade --release 1.11 (# 878)
bumping knative.dev/pkg bd99f2f...56bfe0d:
  > 56bfe0d [release-1.11] [CVE-2023-44487] Disable http2 for webhooks (# 2875)
bumping knative.dev/serving f60eb32...4ff7168:
  > 4ff7168 [release-1.11] bump x/net to v0.17 (# 14516)
  > fb9129c Leave a comment which will trigger a new dot release (# 14500)
bumping knative.dev/eventing 6a695cb...0dadfd9:
  > 0dadfd9 [release-1.11] Scheduler: fix reserved replicas handling, blocking autoscaler and overcommitted pods (# 7374)
  > c1626f1 [release-1.11] Update dependencies (# 7362)
  > 46cc775 [release-1.11] TLS certificate rotation tests (# 7103) (# 7346)

Signed-off-by: Knative Automation <[email protected]>

go.mod

@@ -13,10 +13,10 @@ require (
 	k8s.io/api v0.26.5
 	k8s.io/apimachinery v0.26.5
 	k8s.io/client-go v0.26.5
-	knative.dev/eventing v0.38.4
+	knative.dev/eventing v0.38.5
 	knative.dev/hack v0.0.0-20230712131415-ddae80293c43
-	knative.dev/pkg v0.0.0-20231011193800-bd99f2f98be7
-	knative.dev/serving v0.38.1
+	knative.dev/pkg v0.0.0-20231023150739-56bfe0dd9626
+	knative.dev/serving v0.38.2
 )
 
 require (
@@ -103,7 +103,7 @@ require (
 	k8s.io/klog/v2 v2.80.2-0.20221028030830-9ae4992afb54 // indirect
 	k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280 // indirect
 	k8s.io/utils v0.0.0-20221108210102-8e77b1f39fe2 // indirect
-	knative.dev/networking v0.0.0-20230718160410-75dcd54d9510 // indirect
+	knative.dev/networking v0.0.0-20231012062757-a5958051caf8 // indirect
 	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect

go.sum

@@ -816,16 +816,16 @@ k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280 h1:+70TFaan3hfJzs+7VK2o+O
 k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280/go.mod h1:+Axhij7bCpeqhklhUTe3xmOn6bWxolyZEeyaFpjGtl4=
 k8s.io/utils v0.0.0-20221108210102-8e77b1f39fe2 h1:GfD9OzL11kvZN5iArC6oTS7RTj7oJOIfnislxYlqTj8=
 k8s.io/utils v0.0.0-20221108210102-8e77b1f39fe2/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/eventing v0.38.4 h1:eH059bfeLilj2xAN6V7XXOh3wqzz5ssoMS/CIJpJfmk=
-knative.dev/eventing v0.38.4/go.mod h1:ct8t+v6nmp1kFCy6ngkDWIEvnjJDNDoKptrfnQVh+z8=
+knative.dev/eventing v0.38.5 h1:NvSy3lek9IbLLWEot36NyAfNv7VkJNl38F1ItVL0D6s=
+knative.dev/eventing v0.38.5/go.mod h1:g+iAS+KBRSKULEPqoVnseMkObDeq3SJhqefbuIu8zY8=
 knative.dev/hack v0.0.0-20230712131415-ddae80293c43 h1:3SE06uNfSFGm/5XS+0trbyCUpgsOaBeyhPQU8FPNFz8=
 knative.dev/hack v0.0.0-20230712131415-ddae80293c43/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
-knative.dev/networking v0.0.0-20230718160410-75dcd54d9510 h1:eNbWjEkbtGjCqK5TB4S0CjSSDd4PvyXm+w7bM9/zce4=
-knative.dev/networking v0.0.0-20230718160410-75dcd54d9510/go.mod h1:Vngl91M++hqgoGNIjCii7MXnsEeN3kRbGC1aodhFqbk=
-knative.dev/pkg v0.0.0-20231011193800-bd99f2f98be7 h1:y3qbfYX1SuSr/1ysXvKfpV8q/kCwWLWieCUgAhBUHmQ=
-knative.dev/pkg v0.0.0-20231011193800-bd99f2f98be7/go.mod h1:g+UCgSKQ2f15kHYu/V3CPtoKo5F1x/2Y1ot0NSK7gA0=
-knative.dev/serving v0.38.1 h1:ALKyyKA1Xf083Es2SOE8HeCy/vFhFWE6TcHNxurDf5k=
-knative.dev/serving v0.38.1/go.mod h1:3/KPMVdVOZSHdrRhvelLuxuO+Ftln2ZTKq8R3gUu6Gw=
+knative.dev/networking v0.0.0-20231012062757-a5958051caf8 h1:oZMbAAXyiDZUYoQ4qEjL6uxXrL1xBVfEyQJx8sP0XEg=
+knative.dev/networking v0.0.0-20231012062757-a5958051caf8/go.mod h1:XwZwqJoLZR92N6F/sj8lHxttnry/Kiz+OgG8+uVuYn0=
+knative.dev/pkg v0.0.0-20231023150739-56bfe0dd9626 h1:qFE+UDBRg6cpF5LbA0sv1XK4XZ36Z7aTRCa+HcuxnNQ=
+knative.dev/pkg v0.0.0-20231023150739-56bfe0dd9626/go.mod h1:g+UCgSKQ2f15kHYu/V3CPtoKo5F1x/2Y1ot0NSK7gA0=
+knative.dev/serving v0.38.2 h1:xxxC5JUwHzzssSeEWYs9DcuXlNtV9RHMX/VIlHlqa+M=
+knative.dev/serving v0.38.2/go.mod h1:/eWvWu4qo7+tkfc7FemNXcCtb3W8FNk1tCqAKC12WPo=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

vendor/knative.dev/pkg/webhook/webhook.go

@@ -74,6 +74,17 @@ type Options struct {
 	// ControllerOptions encapsulates options for creating a new controller,
 	// including throttling and stats behavior.
 	ControllerOptions *controller.ControllerOptions
+
+	// EnableHTTP2 enables HTTP2 for webhooks.
+	// Mitigate CVE-2023-44487 by disabling HTTP2 by default until the Go
+	// standard library and golang.org/x/net are fully fixed.
+	// Right now, it is possible for authenticated and unauthenticated users to
+	// hold open HTTP2 connections and consume huge amounts of memory.
+	// See:
+	// * https://github.com/kubernetes/kubernetes/pull/121120
+	// * https://github.com/kubernetes/kubernetes/issues/121197
+	// * https://github.com/golang/go/issues/63417#issuecomment-1758858612
+	EnableHTTP2 bool
 }
 
 // Operation is the verb being operated on
@@ -237,12 +248,19 @@ func (wh *Webhook) Run(stop <-chan struct{}) error {
 		QuietPeriod: wh.Options.GracePeriod,
 	}
 
+	// If TLSNextProto is not nil, HTTP/2 support is not enabled automatically.
+	nextProto := map[string]func(*http.Server, *tls.Conn, http.Handler){}
+	if wh.Options.EnableHTTP2 {
+		nextProto = nil
+	}
+
 	server := &http.Server{
 		ErrorLog:          log.New(&zapWrapper{logger}, "", 0),
 		Handler:           drainer,
 		Addr:              fmt.Sprint(":", wh.Options.Port),
 		TLSConfig:         wh.tlsConfig,
 		ReadHeaderTimeout: time.Minute, //https://medium.com/a-journey-with-go/go-understand-and-mitigate-slowloris-attack-711c1b1403f6
+		TLSNextProto:      nextProto,
 	}
 
 	var serve = server.ListenAndServe

vendor/modules.txt

@@ -952,7 +952,7 @@ k8s.io/utils/net
 k8s.io/utils/pointer
 k8s.io/utils/strings/slices
 k8s.io/utils/trace
-# knative.dev/eventing v0.38.4
+# knative.dev/eventing v0.38.5
 ## explicit; go 1.19
 knative.dev/eventing/pkg/adapter/v2
 knative.dev/eventing/pkg/adapter/v2/util/crstatusevent
@@ -1001,12 +1001,12 @@ knative.dev/eventing/pkg/reconciler/source
 # knative.dev/hack v0.0.0-20230712131415-ddae80293c43
 ## explicit; go 1.18
 knative.dev/hack
-# knative.dev/networking v0.0.0-20230718160410-75dcd54d9510
+# knative.dev/networking v0.0.0-20231012062757-a5958051caf8
 ## explicit; go 1.18
 knative.dev/networking/pkg/apis/networking
 knative.dev/networking/pkg/apis/networking/v1alpha1
 knative.dev/networking/pkg/config
-# knative.dev/pkg v0.0.0-20231011193800-bd99f2f98be7
+# knative.dev/pkg v0.0.0-20231023150739-56bfe0dd9626
 ## explicit; go 1.18
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck
@@ -1059,7 +1059,7 @@ knative.dev/pkg/tracker
 knative.dev/pkg/version
 knative.dev/pkg/webhook
 knative.dev/pkg/webhook/certificates/resources
-# knative.dev/serving v0.38.1
+# knative.dev/serving v0.38.2
 ## explicit; go 1.18
 knative.dev/serving/pkg/apis/autoscaling
 knative.dev/serving/pkg/apis/autoscaling/v1alpha1