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go: fix CVE-2025-4673

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Proxy-Authorization and Proxy-Authenticate headers persisted on
cross-origin redirects potentially leaking sensitive information.

Reference:
https://nvd.nist.gov/vuln/detail/CVE-2025-4673

Upstream-patch:
b897e97c36

(From OE-Core rev: c07547c19e5372ed5eaac8530b2dd651302542a8)

Signed-off-by: Praveen Kumar <praveen.kumar@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Praveen Kumar
2025-06-25 11:27:52 +05:30
committed by Steve Sakoman
parent 9bc0069f8b
commit 6964579627
2 changed files with 71 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/go/go-1.17.13.inc
View File

@@ -63,6 +63,7 @@ SRC_URI += "\
file://CVE-2024-34158.patch \
file://CVE-2024-45336.patch \
file://CVE-2025-22871.patch \
file://CVE-2025-4673.patch \
"
SRC_URI[main.sha256sum] = "a1a48b23afb206f95e7bbaa9b898d965f90826f6f1d1fc0c1d784ada0cd300fd"

70
meta/recipes-devtools/go/go-1.21/CVE-2025-4673.patch Normal file
View File

@@ -0,0 +1,70 @@
From b897e97c36cb62629a458bc681723ca733404e32 Mon Sep 17 00:00:00 2001
From: Neal Patel <nealpatel@google.com>
Date: Wed, 21 May 2025 14:11:44 -0400
Subject: [PATCH] net/http: strip sensitive proxy headers from redirect
requests
Similarly to Authentication entries, Proxy-Authentication entries should be stripped to ensure sensitive information is not leaked on redirects outside of the original domain.
https://fetch.spec.whatwg.org/#authentication-entries
Thanks to Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.) for reporting this issue.
Updates golang/go#73816
Fixes golang/go#73905
Fixes CVE-2025-4673
Change-Id: I1615f31977a2fd014fbc12aae43f82692315a6d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/679255
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
CVE: CVE-2025-4673
Upstream-Status: Backport [https://github.com/golang/go/commit/b897e97c36cb62629a458bc681723ca733404e32]
Signed-off-by: Praveen Kumar <praveen.kumar@windriver.com>
---
src/net/http/client.go | 3 ++-
src/net/http/client_test.go | 5 ++++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/net/http/client.go b/src/net/http/client.go
index 13b6152..d1c9407 100644
--- a/src/net/http/client.go
+++ b/src/net/http/client.go
@@ -806,7 +806,8 @@ func (c *Client) makeHeadersCopier(ireq *Request) func(req *Request, stripSensit
for k, vv := range ireqhdr {
sensitive := false
switch CanonicalHeaderKey(k) {
- case "Authorization", "Www-Authenticate", "Cookie", "Cookie2":
+ case "Authorization", "Www-Authenticate", "Cookie", "Cookie2",
+ "Proxy-Authorization", "Proxy-Authenticate":
sensitive = true
}
if !(sensitive && stripSensitiveHeaders) {
diff --git a/src/net/http/client_test.go b/src/net/http/client_test.go
index 8bf1808..66ad370 100644
--- a/src/net/http/client_test.go
+++ b/src/net/http/client_test.go
@@ -1562,7 +1562,9 @@ func testClientStripHeadersOnRepeatedRedirect(t *testing.T, mode testMode) {
if r.Host+r.URL.Path != "a.example.com/" {
if h := r.Header.Get("Authorization"); h != "" {
t.Errorf("on request to %v%v, Authorization=%q, want no header", r.Host, r.URL.Path, h)
- }
+ } else if h := r.Header.Get("Proxy-Authorization"); h != "" {
+ t.Errorf("on request to %v%v, Proxy-Authorization=%q, want no header", r.Host, r.URL.Path, h)
+ }
}
// Follow a chain of redirects from a to b and back to a.
// The Authorization header is stripped on the first redirect to b,
@@ -1590,6 +1592,7 @@ func testClientStripHeadersOnRepeatedRedirect(t *testing.T, mode testMode) {
req, _ := NewRequest("GET", proto+"://a.example.com/", nil)
req.Header.Add("Cookie", "foo=bar")
req.Header.Add("Authorization", "secretpassword")
+ req.Header.Add("Proxy-Authorization", "secretpassword")
res, err := c.Do(req)
if err != nil {
t.Fatal(err)
--
2.40.0