patches: add fix for CVE-2023-45288

patches/003-fix-CVE-2023-45288.patch

@@ -0,0 +1,77 @@
+From ae5913347d15cf7d1f218916c22717e5739a9ea3 Mon Sep 17 00:00:00 2001
+From: Damien Neil <dneil@google.com>
+Date: Thu, 28 Mar 2024 16:49:40 -0700
+Subject: [PATCH] [release-branch.go1.21] net/http: update bundled
+ golang.org/x/net/http2
+
+Disable cmd/internal/moddeps test, since this update includes PRIVATE
+track fixes.
+
+Fixes CVE-2023-45288
+For #65051
+Fixes #65387
+
+Change-Id: I17da6da2fe0dd70062b49f94377875acb34829a1
+Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/2197267
+Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
+Run-TryBot: Damien Neil <dneil@google.com>
+Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
+Reviewed-on: https://go-review.googlesource.com/c/go/+/576075
+TryBot-Bypass: Dmitri Shuralyov <dmitshur@google.com>
+Commit-Queue: Dmitri Shuralyov <dmitshur@golang.org>
+Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
+Reviewed-by: Than McIntosh <thanm@google.com>
+---
+ src/cmd/internal/moddeps/moddeps_test.go |  2 ++
+ src/net/http/h2_bundle.go                | 31 ++++++++++++++++++++++++
+ 2 files changed, 33 insertions(+)
+
+diff --git a/src/net/http/h2_bundle.go b/src/net/http/h2_bundle.go
+index 032d7fe9a95a8..80c0c962cfc72 100644
+--- a/src/net/http/h2_bundle.go
++++ b/src/net/http/h2_bundle.go
+@@ -2966,6 +2966,7 @@ func (fr *http2Framer) readMetaFrame(hf *http2HeadersFrame) (*http2MetaHeadersFr
+ 		if size > remainSize {
+ 			hdec.SetEmitEnabled(false)
+ 			mh.Truncated = true
++			remainSize = 0
+ 			return
+ 		}
+ 		remainSize -= size
+@@ -2978,6 +2979,36 @@ func (fr *http2Framer) readMetaFrame(hf *http2HeadersFrame) (*http2MetaHeadersFr
+ 	var hc http2headersOrContinuation = hf
+ 	for {
+ 		frag := hc.HeaderBlockFragment()
++
++		// Avoid parsing large amounts of headers that we will then discard.
++		// If the sender exceeds the max header list size by too much,
++		// skip parsing the fragment and close the connection.
++		//
++		// "Too much" is either any CONTINUATION frame after we've already
++		// exceeded the max header list size (in which case remainSize is 0),
++		// or a frame whose encoded size is more than twice the remaining
++		// header list bytes we're willing to accept.
++		if int64(len(frag)) > int64(2*remainSize) {
++			if http2VerboseLogs {
++				log.Printf("http2: header list too large")
++			}
++			// It would be nice to send a RST_STREAM before sending the GOAWAY,
++			// but the struture of the server's frame writer makes this difficult.
++			return nil, http2ConnectionError(http2ErrCodeProtocol)
++		}
++
++		// Also close the connection after any CONTINUATION frame following an
++		// invalid header, since we stop tracking the size of the headers after
++		// an invalid one.
++		if invalid != nil {
++			if http2VerboseLogs {
++				log.Printf("http2: invalid header: %v", invalid)
++			}
++			// It would be nice to send a RST_STREAM before sending the GOAWAY,
++			// but the struture of the server's frame writer makes this difficult.
++			return nil, http2ConnectionError(http2ErrCodeProtocol)
++		}
++
+ 		if _, err := hdec.Write(frag); err != nil {
+ 			return nil, http2ConnectionError(http2ErrCodeCompression)
+ 		}