From 25177ecde0922c50753c043579d17828b7ee88e7 Mon Sep 17 00:00:00 2001
From: Damien Neil <dneil@google.com>
Date: Wed, 26 Feb 2025 16:08:57 -0800
Subject: [PATCH] all: updated vendored x/net with security fix

0b6d719 [internal-branch.go1.23-vendor] proxy, http/httpproxy: do not mismatch IPv6 zone ids against hosts

Fixes CVE-2025-22870
For #71985

Change-Id: Ib72c96bd0ab44d9ed2ac1428e0a9fc245464b3fc
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/2141
Commit-Queue: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Neal Patel <nealpatel@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/654695
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Junyang Shao <shaojunyang@google.com>

CVE: CVE-2025-22870

Upstream-Status: Backport [https://github.com/golang/go/commit/25177ecde0922c50753c043579d17828b7ee88e7]

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
 src/cmd/internal/moddeps/moddeps_test.go            |  1 +
 src/vendor/golang.org/x/net/http/httpproxy/proxy.go | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/cmd/internal/moddeps/moddeps_test.go b/src/cmd/internal/moddeps/moddeps_test.go
index 3d4c99e..ffaa16c 100644
--- a/src/cmd/internal/moddeps/moddeps_test.go
+++ b/src/cmd/internal/moddeps/moddeps_test.go
@@ -33,6 +33,7 @@ import (
 // See issues 36852, 41409, and 43687.
 // (Also see golang.org/issue/27348.)
 func TestAllDependencies(t *testing.T) {
+	t.Skip("TODO(#71985) 1.23.7 contains unreleased changes from vendored modules")
	goBin := testenv.GoToolPath(t)

	// Ensure that all packages imported within GOROOT
diff --git a/src/vendor/golang.org/x/net/http/httpproxy/proxy.go b/src/vendor/golang.org/x/net/http/httpproxy/proxy.go
index c3bd9a1..864961c 100644
--- a/src/vendor/golang.org/x/net/http/httpproxy/proxy.go
+++ b/src/vendor/golang.org/x/net/http/httpproxy/proxy.go
@@ -14,6 +14,7 @@ import (
	"errors"
	"fmt"
	"net"
+	"net/netip"
	"net/url"
	"os"
	"strings"
@@ -180,8 +181,10 @@ func (cfg *config) useProxy(addr string) bool {
	if host == "localhost" {
		return false
	}
-	ip := net.ParseIP(host)
-	if ip != nil {
+	nip, err := netip.ParseAddr(host)
+	var ip net.IP
+	if err == nil {
+		ip = net.IP(nip.AsSlice())
		if ip.IsLoopback() {
			return false
		}
@@ -363,6 +366,9 @@ type domainMatch struct {
 }

 func (m domainMatch) match(host, port string, ip net.IP) bool {
+	if ip != nil {
+		return false
+	}
	if strings.HasSuffix(host, m.host) || (m.matchHost && host == m.host[1:]) {
		return m.port == "" || m.port == port
	}
--
2.40.0
