File 0011-CVE-2025-22868-vendor-jws-split-token-into-fixed-num.patch of Package docker-stable.38056

From bccf3bf09d4f3083e58ad33fd4213d286d0ff1e4 Mon Sep 17 00:00:00 2001
From: Aleksa Sarai <cyphar@cyphar.com>
Date: Tue, 25 Mar 2025 12:02:42 +1100
Subject: [PATCH 11/13] CVE-2025-22868: vendor: jws: split token into fixed
 number of parts

Thanks to 'jub0bs' for reporting this issue.

Fixes: CVE-2025-22868
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/652155
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
(Cherry-picked from golang.org/x/oauth2@681b4d8edca1bcfea5bce685d77ea7b82ed3e7b3.)
SUSE-Bugs: https://bugzilla.suse.com/show_bug.cgi?id=1239185
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
---
 vendor/golang.org/x/oauth2/jws/jws.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vendor/golang.org/x/oauth2/jws/jws.go b/vendor/golang.org/x/oauth2/jws/jws.go
index 95015648b43f..6f03a49d3120 100644
--- a/vendor/golang.org/x/oauth2/jws/jws.go
+++ b/vendor/golang.org/x/oauth2/jws/jws.go
@@ -165,11 +165,11 @@ func Encode(header *Header, c *ClaimSet, key *rsa.PrivateKey) (string, error) {
 // Verify tests whether the provided JWT token's signature was produced by the private key
 // associated with the supplied public key.
 func Verify(token string, key *rsa.PublicKey) error {
-	parts := strings.Split(token, ".")
-	if len(parts) != 3 {
+	if strings.Count(token, ".") != 2 {
 		return errors.New("jws: invalid token received, token must have 3 parts")
 	}
 
+	parts := strings.SplitN(token, ".", 3)
 	signedContent := parts[0] + "." + parts[1]
 	signatureString, err := base64.RawURLEncoding.DecodeString(parts[2])
 	if err != nil {
-- 
2.48.1