go: fix CVE-2025-22870

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID
as a hostname component. For example, when the NO_PROXY environment variable
is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly
match and not be proxied.

(From OE-Core rev: 88e79f915137edc5a37a110abdc79f5800404e45)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 81 insertions, 0 deletions

diff --git a/meta/recipes-devtools/go/go-1.22.12.inc b/meta/recipes-devtools/go/go-1.22.12.inc
index 05aa3a95b6..df77794506 100644
--- a/meta/recipes-devtools/go/go-1.22.12.inc
+++ b/meta/recipes-devtools/go/go-1.22.12.inc
@@ -14,5 +14,6 @@ SRC_URI += "\
     file://0007-exec.go-filter-out-build-specific-paths-from-linker-.patch \
     file://0008-src-cmd-dist-buildgo.go-do-not-hardcode-host-compile.patch \
     file://0009-go-Filter-build-paths-on-staticly-linked-arches.patch \
+    file://CVE-2025-22870.patch \
 "
 SRC_URI[main.sha256sum] = "012a7e1f37f362c0918c1dfa3334458ac2da1628c4b9cf4d9ca02db986e17d71"
diff --git a/meta/recipes-devtools/go/go/CVE-2025-22870.patch b/meta/recipes-devtools/go/go/CVE-2025-22870.patch
new file mode 100644
index 0000000000..6ed394c8e5
--- /dev/null
+++ b/meta/recipes-devtools/go/go/CVE-2025-22870.patch
@@ -0,0 +1,80 @@
+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