fix

2024-04-18 19:05:41 +08:00 · 2024-04-18 19:05:41 +08:00 · eb5245a0a9
commit eb5245a0a9
parent 7f0c36aac1
5 changed files with 934 additions and 3 deletions
--- a/backport-Fix-removal-of-duplicate-certs-during-verification.patch
+++ b/backport-Fix-removal-of-duplicate-certs-during-verification.patch
@ -0,0 +1,387 @@
+From e89378d5853d9bd0136b95aade37e23762ad9290 Mon Sep 17 00:00:00 2001                                                                   
+From: Zoltan Fridrich <zfridric@redhat.com>
+Date: Mon, 17 Oct 2022 15:27:37 +0200
+Subject: [PATCH] Fix removal of duplicate certs during verification
+
+Co-authored-by: Daiki Ueno <ueno@gnu.org>
+Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
+
+Reference: https://gitlab.com/gnutls/gnutls/-/commit/e89378d5853d9bd0136b95aade37e23762ad9290
+Conflict: .gitignore
+
+---
+ lib/x509/verify-high.c        | 101 ++++---------------
+ tests/Makefile.am             |   2 +-
+ tests/x509-verify-duplicate.c | 181 ++++++++++++++++++++++++++++++++++
+ 3 files changed, 202 insertions(+), 82 deletions(-)
+ create mode 100644 tests/x509-verify-duplicate.c
+
+diff --git a/lib/x509/verify-high.c b/lib/x509/verify-high.c
+index 5698d4f..2c070b0 100644
+--- a/lib/x509/verify-high.c
+++ b/lib/x509/verify-high.c
+@@ -35,6 +35,8 @@
+ #include <gnutls/x509-ext.h>
+ #include "verify-high.h"
+ #include "intprops.h"
+#include "gl_linkedhash_list.h"
+#include "gl_list.h"
+ 
+ struct named_cert_st {
+ 	gnutls_x509_crt_t cert;
+@@ -68,82 +70,19 @@ struct gnutls_x509_trust_list_iter {
+ 
+ #define DEFAULT_SIZE 127
+ 
+-struct cert_set_node_st {
+-	gnutls_x509_crt_t *certs;
+-	unsigned int size;
+-};
+-
+-struct cert_set_st {
+-	struct cert_set_node_st *node;
+-	unsigned int size;
+-};
+-
+-static int
+-cert_set_init(struct cert_set_st *set, unsigned int size)
+-{
+-	memset(set, 0, sizeof(*set));
+-
+-	set->size = size;
+-	set->node = gnutls_calloc(size, sizeof(*set->node));
+-	if (!set->node) {
+-		return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+-	}
+-
+-	return 0;
+-}
+-
+-static void
+-cert_set_deinit(struct cert_set_st *set)
+-{
+-	size_t i;
+-
+-	for (i = 0; i < set->size; i++) {
+-		gnutls_free(set->node[i].certs);
+-	}
+-
+-	gnutls_free(set->node);
+-}
+-
+ static bool
+-cert_set_contains(struct cert_set_st *set, const gnutls_x509_crt_t cert)
+cert_eq(const void *cert1, const void *cert2)
+ {
+-	size_t hash, i;
+-
+-	hash = hash_pjw_bare(cert->raw_dn.data, cert->raw_dn.size);
+-	hash %= set->size;
+-
+-	for (i = 0; i < set->node[hash].size; i++) {
+-		if (unlikely(gnutls_x509_crt_equals(set->node[hash].certs[i], cert))) {
+-			return true;
+-		}
+-	}
+-
+-	return false;
+	const gnutls_x509_crt_t c1 = (const gnutls_x509_crt_t)cert1;
+	const gnutls_x509_crt_t c2 = (const gnutls_x509_crt_t)cert2;
+	return gnutls_x509_crt_equals(c1, c2);
+ }
+ 
+-static int
+-cert_set_add(struct cert_set_st *set, const gnutls_x509_crt_t cert)
+static size_t
+cert_hashcode(const void *cert)
+ {
+-	size_t hash;
+-
+-	hash = hash_pjw_bare(cert->raw_dn.data, cert->raw_dn.size);
+-	hash %= set->size;
+-
+-	if (unlikely(INT_ADD_OVERFLOW(set->node[hash].size, 1))) {
+-		return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+-	}
+-
+-	set->node[hash].certs =
+-		_gnutls_reallocarray_fast(set->node[hash].certs,
+-					  set->node[hash].size + 1,
+-					  sizeof(*set->node[hash].certs));
+-	if (!set->node[hash].certs) {
+-		return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+-	}
+-	set->node[hash].certs[set->node[hash].size] = cert;
+-	set->node[hash].size++;
+-
+-	return 0;
+	const gnutls_x509_crt_t c = (const gnutls_x509_crt_t)cert;
+	return hash_pjw_bare(c->raw_dn.data, c->raw_dn.size) % DEFAULT_MAX_VERIFY_DEPTH;
+ }
+ 
+ /**
+@@ -1426,7 +1365,7 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	unsigned have_set_name = 0;
+ 	unsigned saved_output;
+ 	gnutls_datum_t ip = {NULL, 0};
+-	struct cert_set_st cert_set = { NULL, 0 };
+	gl_list_t records;
+ 
+ 	if (cert_list == NULL || cert_list_size < 1)
+ 		return gnutls_assert_val(GNUTLS_E_INVALID_REQUEST);
+@@ -1475,10 +1414,9 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	memcpy(sorted, cert_list, cert_list_size * sizeof(gnutls_x509_crt_t));
+ 	cert_list = sorted;
+ 
+-	ret = cert_set_init(&cert_set, DEFAULT_MAX_VERIFY_DEPTH);
+-	if (ret < 0) {
+-		return ret;
+-	}
+	records = gl_list_nx_create_empty(GL_LINKEDHASH_LIST, cert_eq, cert_hashcode, NULL, false);
+	if (records == NULL)
+		return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+ 
+ 	for (i = 0; i < cert_list_size &&
+ 		     cert_list_size <= DEFAULT_MAX_VERIFY_DEPTH; ) {
+@@ -1493,8 +1431,8 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 
+ 		/* Remove duplicates. Start with index 1, as the first element
+ 		 * may be re-checked after issuer retrieval. */
+-		for (j = 1; j < sorted_size; j++) {
+-			if (cert_set_contains(&cert_set, cert_list[i + j])) {
+		for (j = 0; j < sorted_size; j++) {
+			if (gl_list_search(records, cert_list[i + j])) {
+ 				if (i + j < cert_list_size - 1) {
+ 					memmove(&cert_list[i + j],
+ 						&cert_list[i + j + 1],
+@@ -1511,8 +1449,8 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 
+ 		/* Record the certificates seen. */
+ 		for (j = 0; j < sorted_size; j++, i++) {
+-			ret = cert_set_add(&cert_set, cert_list[i]);
+-			if (ret < 0) {
+			if (!gl_list_nx_add_last(records, cert_list[i])) {
+				ret = gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+ 				goto cleanup;
+ 			}
+ 		}
+@@ -1559,6 +1497,7 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 
+ 			/* Start again from the end of the previous segment. */
+ 			i--;
+			gl_list_remove(records, cert_list[i]);
+ 		}
+ 	}
+ 
+@@ -1718,7 +1657,7 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	for (i = 0; i < retrieved_size; i++) {
+ 		gnutls_x509_crt_deinit(retrieved[i]);
+ 	}
+-	cert_set_deinit(&cert_set);
+	gl_list_free(records);
+ 	return ret;
+ }
+ 
+diff --git a/tests/Makefile.am b/tests/Makefile.am
+index b65fb65..f92a130 100644
+--- a/tests/Makefile.am
+++ b/tests/Makefile.am
+@@ -172,7 +172,7 @@ ctests += mini-record-2 simple gnutls_hmac_fast set_pkcs12_cred cert certuniquei
+ 	 crlverify mini-dtls-discard mini-record-failure openconnect-dtls12 \
+ 	 tls12-rehandshake-cert-2 custom-urls set_x509_key_mem set_x509_key_file \
+ 	 tls12-rehandshake-cert-auto tls12-rehandshake-set-prio \
+-	 mini-chain-unsorted x509-verify-with-crl mini-dtls-mtu privkey-verify-broken \
+	 mini-chain-unsorted x509-verify-duplicate x509-verify-with-crl mini-dtls-mtu privkey-verify-broken \
+ 	 mini-dtls-record-asym key-import-export priority-set priority-set2 \
+ 	 pubkey-import-export sign-is-secure spki spki-abstract rsa-rsa-pss \
+ 	 mini-dtls-fork dtls-pthread mini-key-material x509cert-invalid \
+diff --git a/tests/x509-verify-duplicate.c b/tests/x509-verify-duplicate.c
+new file mode 100644
+index 0000000..f47a8b2
+--- /dev/null
+++ b/tests/x509-verify-duplicate.c
+@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2022 Red Hat, Inc.
+ *
+ * Author: Zoltan Fridrich
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GnuTLS. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gnutls/x509.h>
+
+#include "utils.h"
+
+#define CHECK(X)\
+{\
+	r = X;\
+	if (r < 0)\
+		fail("error in %d: %s\n", __LINE__, gnutls_strerror(r));\
+}\
+
+static char cert_pem[] =
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIFLzCCBBegAwIBAgISAycvItcPAZ5yClzMOYYcod4cMA0GCSqGSIb3DQEBCwUA\n"
+	"MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD\n"
+	"EwJSMzAeFw0yMjA4MjMwNjMzMjlaFw0yMjExMjEwNjMzMjhaMBcxFTATBgNVBAMT\n"
+	"DHZvaWRwb2ludC5pbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANSt\n"
+	"AazUWttuU/swyEdt70bpod6knYDJavnFUwicpT4ZfPh84Y2ci9Ay9oTVR8LzVq+o\n"
+	"3FIGxXlBFhCtoGA5k5Soao/JB40+gsY+O8LgcNAdejU78m5W4e2qXq4eu/4tFUCw\n"
+	"GkcRmqitnc5Jy0bEM+wCZKa42Lx0+WAhNRd/70yWIbzXOrXDnLgGc221JeYJ4it0\n"
+	"ajYcf3AZuSHhL3qsTLLzuYorPqWmDy27psUiDDJOIjxVbBCRL+AY40TsQm7CZZhZ\n"
+	"8sCkZU7rIvuDv7nf3QpUsF9Zqk9B3F4tTg0vsVuYeL1XCHGwpVeUS83MsZiLP8Zj\n"
+	"XGQTM6GiWuOAZ9JJjrsCAwEAAaOCAlgwggJUMA4GA1UdDwEB/wQEAwIFoDAdBgNV\n"
+	"HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E\n"
+	"FgQUlw1h3ZwSMKRwkrQ+F4XT3QV/tn8wHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA\n"
+	"5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu\n"
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+	"RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw\n"
+	"Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2\n"
+	"AN+lXqtogk8fbK3uuF9OPlrqzaISpGpejjsSwCBEXCpzAAABgsme4hAAAAQDAEcw\n"
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+	"TTTv89FHwFV9omfZzDNAiNgg8METHwB3ACl5vvCeOTkh8FZzn2Old+W+V32cYAr4\n"
+	"+U1dJlwlXceEAAABgsme4gUAAAQDAEgwRgIhAPKWJ7WeuBUSnDqabTAVLKU+PpzA\n"
+	"bJJ9sehaCKW9AicZAiEAqphpC0lF4/iz2Gkxgd/DEkl9SyyAmR/lEJ7cWDMFhz8w\n"
+	"DQYJKoZIhvcNAQELBQADggEBAC0aCscObAdTerzGUrDsuQR5FuCTAmvdk3Isqjw1\n"
+	"dG3WuiwW1Z4ecpqCdvDSIv3toQDWVk6g/oa3fHDnY0/tu//vCwdneDdjK3gCM6cj\n"
+	"/q0cwj+rGFx/bEVz8PR5kc3DOHGKkmHPN1BNxeLBVpk4jxziXryAVbIvxq9JrGTE\n"
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+	"QVnPfxzKWmxHs10uxXyRZJlOrrbTGU8gi0vnOQZK290dtLzEyU2sdkic1ZSn+fCo\n"
+	"k++37mNDkiTnIQa3olRqHkypWqGfj8OyqU4XBV2Mmu4UATc=\n"
+	"-----END CERTIFICATE-----\n"
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIFLzCCBBegAwIBAgISAycvItcPAZ5yClzMOYYcod4cMA0GCSqGSIb3DQEBCwUA\n"
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+	"DQYJKoZIhvcNAQELBQADggEBAC0aCscObAdTerzGUrDsuQR5FuCTAmvdk3Isqjw1\n"
+	"dG3WuiwW1Z4ecpqCdvDSIv3toQDWVk6g/oa3fHDnY0/tu//vCwdneDdjK3gCM6cj\n"
+	"/q0cwj+rGFx/bEVz8PR5kc3DOHGKkmHPN1BNxeLBVpk4jxziXryAVbIvxq9JrGTE\n"
+	"SfWbWcMkHHw/QzpUfyD3B/GI8qw6XhdaNNkLDEDNV0sCPCuZYc5FBZzU4ExB2vMG\n"
+	"QVnPfxzKWmxHs10uxXyRZJlOrrbTGU8gi0vnOQZK290dtLzEyU2sdkic1ZSn+fCo\n"
+	"k++37mNDkiTnIQa3olRqHkypWqGfj8OyqU4XBV2Mmu4UATc=\n"
+	"-----END CERTIFICATE-----\n"
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw\n"
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+	"cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw\n"
+	"WhcNMjUwOTE1MTYwMDAwWjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg\n"
+	"RW5jcnlwdDELMAkGA1UEAxMCUjMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK\n"
+	"AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP\n"
+	"R5QUVTVXjJ6oojkZ9YI8QqlObvU7wy7bjcCwXPNZOOftz2nwWgsbvsCUJCWH+jdx\n"
+	"sxPnHKzhm+/b5DtFUkWWqcFTzjTIUu61ru2P3mBw4qVUq7ZtDpelQDRrK9O8Zutm\n"
+	"NHz6a4uPVymZ+DAXXbpyb/uBxa3Shlg9F8fnCbvxK/eG3MHacV3URuPMrSXBiLxg\n"
+	"Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG\n"
+	"/kiFHaFpriV1uxPMUgP17VGhi9sVAgMBAAGjggEIMIIBBDAOBgNVHQ8BAf8EBAMC\n"
+	"AYYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYB\n"
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+	"AoYWaHR0cDovL3gxLmkubGVuY3Iub3JnLzAnBgNVHR8EIDAeMBygGqAYhhZodHRw\n"
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+	"gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W\n"
+	"PTNlclQtgaDqw+34IL9fzLdwALduO/ZelN7kIJ+m74uyA+eitRY8kc607TkC53wl\n"
+	"ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz\n"
+	"CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm\n"
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+	"avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2\n"
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+	"yK5GhDDX8oVfGKF5u+decIsH4YaTw7mP3GFxJSqv3+0lUFJoi5Lc5da149p90Ids\n"
+	"hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+\n"
+	"HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv\n"
+	"MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX\n"
+	"nLRbwHOoq7hHwg==\n"
+	"-----END CERTIFICATE-----\n"
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/\n"
+	"MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n"
+	"DkRTVCBSb290IENBIFgzMB4XDTIxMDEyMDE5MTQwM1oXDTI0MDkzMDE4MTQwM1ow\n"
+	"TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh\n"
+	"cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwggIiMA0GCSqGSIb3DQEB\n"
+	"AQUAA4ICDwAwggIKAoICAQCt6CRz9BQ385ueK1coHIe+3LffOJCMbjzmV6B493XC\n"
+	"ov71am72AE8o295ohmxEk7axY/0UEmu/H9LqMZshftEzPLpI9d1537O4/xLxIZpL\n"
+	"wYqGcWlKZmZsj348cL+tKSIG8+TA5oCu4kuPt5l+lAOf00eXfJlII1PoOK5PCm+D\n"
+	"LtFJV4yAdLbaL9A4jXsDcCEbdfIwPPqPrt3aY6vrFk/CjhFLfs8L6P+1dy70sntK\n"
+	"4EwSJQxwjQMpoOFTJOwT2e4ZvxCzSow/iaNhUd6shweU9GNx7C7ib1uYgeGJXDR5\n"
+	"bHbvO5BieebbpJovJsXQEOEO3tkQjhb7t/eo98flAgeYjzYIlefiN5YNNnWe+w5y\n"
+	"sR2bvAP5SQXYgd0FtCrWQemsAXaVCg/Y39W9Eh81LygXbNKYwagJZHduRze6zqxZ\n"
+	"Xmidf3LWicUGQSk+WT7dJvUkyRGnWqNMQB9GoZm1pzpRboY7nn1ypxIFeFntPlF4\n"
+	"FQsDj43QLwWyPntKHEtzBRL8xurgUBN8Q5N0s8p0544fAQjQMNRbcTa0B7rBMDBc\n"
+	"SLeCO5imfWCKoqMpgsy6vYMEG6KDA0Gh1gXxG8K28Kh8hjtGqEgqiNx2mna/H2ql\n"
+	"PRmP6zjzZN7IKw0KKP/32+IVQtQi0Cdd4Xn+GOdwiK1O5tmLOsbdJ1Fu/7xk9TND\n"
+	"TwIDAQABo4IBRjCCAUIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYw\n"
+	"SwYIKwYBBQUHAQEEPzA9MDsGCCsGAQUFBzAChi9odHRwOi8vYXBwcy5pZGVudHJ1\n"
+	"c3QuY29tL3Jvb3RzL2RzdHJvb3RjYXgzLnA3YzAfBgNVHSMEGDAWgBTEp7Gkeyxx\n"
+	"+tvhS5B1/8QVYIWJEDBUBgNVHSAETTBLMAgGBmeBDAECATA/BgsrBgEEAYLfEwEB\n"
+	"ATAwMC4GCCsGAQUFBwIBFiJodHRwOi8vY3BzLnJvb3QteDEubGV0c2VuY3J5cHQu\n"
+	"b3JnMDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6Ly9jcmwuaWRlbnRydXN0LmNvbS9E\n"
+	"U1RST09UQ0FYM0NSTC5jcmwwHQYDVR0OBBYEFHm0WeZ7tuXkAXOACIjIGlj26Ztu\n"
+	"MA0GCSqGSIb3DQEBCwUAA4IBAQAKcwBslm7/DlLQrt2M51oGrS+o44+/yQoDFVDC\n"
+	"5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW\n"
+	"9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG\n"
+	"WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O\n"
+	"he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC\n"
+	"Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5\n"
+	"-----END CERTIFICATE-----\n";
+
+void doit(void)
+{
+	int r;
+	unsigned i, certs_size, out;
+	unsigned flags = GNUTLS_VERIFY_DO_NOT_ALLOW_SAME | GNUTLS_VERIFY_DISABLE_TIME_CHECKS;
+	gnutls_x509_trust_list_t tl;
+	gnutls_x509_crt_t *certs = NULL;
+	gnutls_datum_t cert = { (unsigned char *)cert_pem, sizeof(cert_pem) - 1 };
+
+	CHECK(gnutls_x509_crt_list_import2(&certs, &certs_size, &cert, GNUTLS_X509_FMT_PEM, 0));
+	CHECK(gnutls_x509_trust_list_init(&tl, 0));
+	CHECK(gnutls_x509_trust_list_add_cas(tl, certs + certs_size - 1, 1, 0));
+	CHECK(gnutls_x509_trust_list_verify_crt(tl, certs, certs_size, flags, &out, NULL));
+
+	if (out)
+		fail("Not verified\n");
+
+	gnutls_x509_trust_list_deinit(tl, 0);
+	for (i = 0; i < certs_size; ++i)
+		gnutls_x509_crt_deinit(certs[i]);
+	gnutls_free(certs);
+}
+-- 
+2.33.0
+
--- a/backport-fix-CVE-2024-28835-gnutls_x509_trust_list_verify_crt2-remove-length-lim.patch
+++ b/backport-fix-CVE-2024-28835-gnutls_x509_trust_list_verify_crt2-remove-length-lim.patch
@ -0,0 +1,419 @@
+From e369e67a62f44561d417cb233acc566cc696d82d Mon Sep 17 00:00:00 2001                                  
+From: Daiki Ueno <ueno@gnu.org>
+Date: Mon, 29 Jan 2024 13:52:46 +0900
+Subject: [PATCH] gnutls_x509_trust_list_verify_crt2: remove length limit
+of
+ input
+
+Previously, if cert_list_size exceeded DEFAULT_MAX_VERIFY_DEPTH, the
+chain verification logic crashed with assertion failure.  This patch
+removes the restriction while keeping the maximum number of
+retrieved certificates being DEFAULT_MAX_VERIFY_DEPTH.
+
+Signed-off-by: Daiki Ueno <ueno@gnu.org>
+
+Reference:
+https://gitlab.com/gnutls/gnutls/-/commit/e369e67a62f44561d417cb233acc566cc696d82d
+Conflict:lib/x509/verify-high.c,tests/test-chains.h
+
+---
+ lib/gnutls_int.h       |   5 +-
+ lib/x509/common.c      |  10 +-
+ lib/x509/verify-high.c |  56 +++++++----
+ tests/test-chains.h    | 210 ++++++++++++++++++++++++++++++++++++++++-
+ 4 files changed, 258 insertions(+), 23 deletions(-)
+
+diff --git a/lib/gnutls_int.h b/lib/gnutls_int.h
+index a06d123..9706db3 100644
+--- a/lib/gnutls_int.h
+++ b/lib/gnutls_int.h
+@@ -218,7 +218,10 @@ typedef enum record_send_state_t {
+ 
+ #define MAX_PK_PARAM_SIZE 2048
+ 
+-/* defaults for verification functions
+/* Defaults for verification functions.
+ *
+ * update many_icas in tests/test-chains.h when increasing
+ * DEFAULT_MAX_VERIFY_DEPTH.
+  */
+ #define DEFAULT_MAX_VERIFY_DEPTH 16
+ #define DEFAULT_MAX_VERIFY_BITS (MAX_PK_PARAM_SIZE*8)
+diff --git a/lib/x509/common.c b/lib/x509/common.c
+index 96e7e7c..10ee9c6 100644
+--- a/lib/x509/common.c
+++ b/lib/x509/common.c
+@@ -1746,7 +1746,15 @@ unsigned int _gnutls_sort_clist(gnutls_x509_crt_t *clist,
+ 	bool insorted[DEFAULT_MAX_VERIFY_DEPTH]; /* non zero if clist[i] used in sorted list */
+ 	gnutls_x509_crt_t sorted[DEFAULT_MAX_VERIFY_DEPTH];
+ 
+-	assert(clist_size <= DEFAULT_MAX_VERIFY_DEPTH);
+	/* Limit the number of certificates in the chain, to avoid DoS
+	 * because of the O(n^2) sorting below.  FIXME: Switch to a
+	 * topological sort algorithm which should be linear to the
+	 * number of certificates and subject-issuer relationships.
+	 */
+	if (clist_size > DEFAULT_MAX_VERIFY_DEPTH) {
+		_gnutls_debug_log("too many certificates; skipping sorting\n");
+		return 1;
+	}
+ 
+ 	for (i = 0; i < DEFAULT_MAX_VERIFY_DEPTH; i++) {
+ 		issuer[i] = -1;
+diff --git a/lib/x509/verify-high.c b/lib/x509/verify-high.c
+index 02d2f0f..bbfb02e 100644
+--- a/lib/x509/verify-high.c
+++ b/lib/x509/verify-high.c
+@@ -25,7 +25,7 @@
+ #include "errors.h"
+ #include <libtasn1.h>
+ #include <global.h>
+-#include <num.h>		/* MAX */
+#include "num.h" /* MIN */
+ #include <tls-sig.h>
+ #include <str.h>
+ #include <datum.h>
+@@ -1357,7 +1357,8 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	int ret = 0;
+ 	unsigned int i;
+ 	size_t hash;
+-	gnutls_x509_crt_t sorted[DEFAULT_MAX_VERIFY_DEPTH];
+	gnutls_x509_crt_t *cert_list_copy = NULL;
+	unsigned int cert_list_max_size = 0;
+ 	gnutls_x509_crt_t retrieved[DEFAULT_MAX_VERIFY_DEPTH];
+ 	unsigned int retrieved_size = 0;
+ 	const char *hostname = NULL, *purpose = NULL, *email = NULL;
+@@ -1411,15 +1412,27 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 		}
+ 	}
+ 
+-	memcpy(sorted, cert_list, cert_list_size * sizeof(gnutls_x509_crt_t));
+-	cert_list = sorted;
+	/* Allocate extra for retrieved certificates. */
+	if (!INT_ADD_OK(cert_list_size, DEFAULT_MAX_VERIFY_DEPTH,
+			&cert_list_max_size))
+		return gnutls_assert_val(GNUTLS_E_INVALID_REQUEST);
+ 
+-	records = gl_list_nx_create_empty(GL_LINKEDHASH_LIST, cert_eq, cert_hashcode, NULL, false);
+-	if (records == NULL)
+	cert_list_copy = _gnutls_reallocarray(NULL, cert_list_max_size,
+					      sizeof(gnutls_x509_crt_t));
+	if (!cert_list_copy)
+ 		return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+ 
+-	for (i = 0; i < cert_list_size &&
+-		     cert_list_size <= DEFAULT_MAX_VERIFY_DEPTH; ) {
+	memcpy(cert_list_copy, cert_list,
+	       cert_list_size * sizeof(gnutls_x509_crt_t));
+	cert_list = cert_list_copy;
+
+	records = gl_list_nx_create_empty(GL_LINKEDHASH_LIST, cert_eq, cert_hashcode, NULL, false);
+	if (records == NULL) {
+		ret = gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+		goto cleanup;
+	}
+
+	for (i = 0; i < cert_list_size;) {
+ 		unsigned int sorted_size = 1;
+ 		unsigned int j, k;
+ 		gnutls_x509_crt_t issuer;
+@@ -1431,8 +1444,7 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 
+ 		assert(sorted_size > 0);
+ 
+-		/* Remove duplicates. Start with index 1, as the first element
+-		 * may be re-checked after issuer retrieval. */
+		/* Remove duplicates. */
+ 		for (j = 0; j < sorted_size; j++) {
+ 			if (gl_list_search(records, cert_list[i + j])) {
+ 				if (i + j < cert_list_size - 1) {
+@@ -1483,17 +1495,16 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 			continue;
+ 		}
+ 
+-		ret = retrieve_issuers(list,
+-				       cert_list[i - 1],
+-				       &retrieved[retrieved_size],
+-				       DEFAULT_MAX_VERIFY_DEPTH -
+-				       MAX(retrieved_size,
+-					   cert_list_size));
+		ret = retrieve_issuers(list, cert_list[i - 1], &retrieved[retrieved_size],
+			MIN(DEFAULT_MAX_VERIFY_DEPTH - retrieved_size,
+				cert_list_max_size - cert_list_size));
+ 		if (ret < 0) {
+ 			break;
+ 		} else if (ret > 0) {
+ 			assert((unsigned int)ret <=
+-			       DEFAULT_MAX_VERIFY_DEPTH - cert_list_size);
+			       DEFAULT_MAX_VERIFY_DEPTH - retrieved_size);
+			assert((unsigned int)ret <=
+			       cert_list_max_size - cert_list_size);
+ 			memmove(&cert_list[i + ret],
+ 				&cert_list[i],
+ 				(cert_list_size - i) *
+@@ -1511,8 +1522,10 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	}
+ 
+ 	cert_list_size = shorten_clist(list, cert_list, cert_list_size);
+-	if (cert_list_size <= 0)
+-		return gnutls_assert_val(GNUTLS_E_INTERNAL_ERROR);
+	if (cert_list_size <= 0) {
+		ret = gnutls_assert_val(GNUTLS_E_INTERNAL_ERROR);
+		goto cleanup;
+	}
+ 
+ 	hash =
+ 	    hash_pjw_bare(cert_list[cert_list_size - 1]->raw_issuer_dn.
+@@ -1663,10 +1676,13 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	}
+ 
+  cleanup:
+ 	gnutls_free(cert_list_copy);
+ 	for (i = 0; i < retrieved_size; i++) {
+ 		gnutls_x509_crt_deinit(retrieved[i]);
+ 	}
+-	gl_list_free(records);
+	if (records) {
+		gl_list_free(records);
+	}
+ 	return ret;
+ }
+ 
+diff --git a/tests/test-chains.h b/tests/test-chains.h
+index 07e90bb..2dbee07 100644
+--- a/tests/test-chains.h
+++ b/tests/test-chains.h
+@@ -25,7 +25,7 @@
+ 
+ /* *INDENT-OFF* */
+ 
+-#define MAX_CHAIN 10
+#define MAX_CHAIN 17
+ 
+ static const char *chain_with_no_subject_id_in_ca_ok[] = {
+ 	"-----BEGIN CERTIFICATE-----\n"
+@@ -4386,6 +4386,213 @@ static const char *cross_signed_ca[] = {
+ 	NULL
+ };
+ 
+/* This assumes DEFAULT_MAX_VERIFY_DEPTH to be 16 */
+static const char *many_icas[] = {
+	/* Server */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBqzCCAV2gAwIBAgIUIK3+SD3GmqJlRLZ/ESyhTzkSDL8wBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowNzEbMBkGA1UEChMSR251VExTIHRlc3Qgc2VydmVyMRgwFgYD\n"
+	"VQQDEw90ZXN0LmdudXRscy5vcmcwKjAFBgMrZXADIQAWGjx45NIJiKFsNBxxRRjm\n"
+	"NxUT5KYK7xXr5HPVywwgLaOBkjCBjzAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC\n"
+	"D3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAOBgNVHQ8BAf8E\n"
+	"BAMCB4AwHQYDVR0OBBYEFKgNAQWZPx76/vXqQOdIi5mTftsaMB8GA1UdIwQYMBaA\n"
+	"FDaPsY6WAGuRtrhYJE6Gk/bg5qbdMAUGAytlcANBAMIDh8aGcIIFDTUrzfV7tnkX\n"
+	"hHrxyFKBH/cApf6xcJQTfDXm23po627Ibp+WgLaWMY08Fn9Y2V6Ev8ADfqXNbQ8=\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA16 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUSnE0PKdm/dsnZSWBh5Ct4pS6DcwwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAxq9SI8vp0QH1dDBBuZW+t+bLLROppQbjSQ4O1BEonDOjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBQ2j7GOlgBrkba4\n"
+	"WCROhpP24Oam3TAfBgNVHSMEGDAWgBRvdUKX0aw3nfUIdvivXGSfRO7zyjAFBgMr\n"
+	"ZXADQQBsI2Hc7X5hXoHTvk01qMc5a1I27QHAFRARJnvIQ15wxNS2LVLzGk+AUmwr\n"
+	"sOhBKAcVfS55uWtYdjoWQ80h238H\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA15 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUQk4XkgQVImnp6OPZas7ctwgBza4wBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAs3yVKLJd3sKbNVmj6Bxy2j1x025rksyQpZZWnCx5a+CjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBRvdUKX0aw3nfUI\n"
+	"dvivXGSfRO7zyjAfBgNVHSMEGDAWgBRhGfUXYPh4YQsdtTWYUozLphGgfzAFBgMr\n"
+	"ZXADQQBXTtm56x6/pHXdW8dTvZLc/8RufNQrMlc23TCgX0apUnrZdTsNAb7OE4Uu\n"
+	"9PBuxK+CC9NL/BL2hXsKvAT+NWME\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA14 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUKfwz7UUYRvYlvqwmnLJlTOS9o1AwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAXbUetQ08t+F4+IcKL++HpeclqTxXZ7cG4mwqvHmTUEWjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBRhGfUXYPh4YQsd\n"
+	"tTWYUozLphGgfzAfBgNVHSMEGDAWgBQYRQqO+V1kefF7QvNnFU1fX5H9+jAFBgMr\n"
+	"ZXADQQAiSHNMTLPFP3oa6q13Dj8jSxF9trQDJGM1ArWffFcPZUt2U4/ODHdcMTHx\n"
+	"kGwhIj+ghBlu6ykgu6J2wewCUooC\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA13 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUUKOs59gyCPAZzoC7zMZQSh6AnQgwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAmvqhj5GYqsXIpsr1BXBfD+2mTP/m/TEpKIYSZHM62dijYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBQYRQqO+V1kefF7\n"
+	"QvNnFU1fX5H9+jAfBgNVHSMEGDAWgBQ27HzvP5hl2xR+LOzRcPfmY5ndXjAFBgMr\n"
+	"ZXADQQBrB3NkrYC7EQ74qgeesVOE71rW012dPOOKPAV0laR+JLEgsv9sfus+AdBF\n"
+	"WBNwR3KeYBTi/MFDuecxBHU2m5gD\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA12 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUUQooGfH21+sR7/pSgCWm13gg2H4wBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAK2of/B4wMpk6k/KdugC5dMS+jo2fseUM7/PvXkE6HASjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBQ27HzvP5hl2xR+\n"
+	"LOzRcPfmY5ndXjAfBgNVHSMEGDAWgBSJDHU0Mj1Xr0e8ErCnRK24w7XwTTAFBgMr\n"
+	"ZXADQQDY8d2bAZpj7oGhdl2dBsCE48jEWj49da0PbgN12koAj3gf4hjMPd8G7p5z\n"
+	"8RsURAwQmCkE8ShvdNw/Qr2tDL0E\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA11 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUW9Dw0hU2pfjXhb5Stip+mk9SndIwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAn5ISjLVV6RBWsnxDWHDicpye7SjFwGOTwzF01/psiJ2jYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBSJDHU0Mj1Xr0e8\n"
+	"ErCnRK24w7XwTTAfBgNVHSMEGDAWgBSR9UU27RI0XohiEgHDxNo/9HP4djAFBgMr\n"
+	"ZXADQQCfQg6MDHk71vhyrEo4/5PcLb2Li5F/FKURyux7snv2TbkSdInloAqca9UR\n"
+	"DtqHSLCNLXCNdSPr5QwIt5p29rsE\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA10 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUR4uTedG8e6MibKViQ3eX7QzXG1swBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAnslX04kSVOL5LAf1e+Ze3ggNnDJcEAxLDk8I/IhyjTyjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBSR9UU27RI0Xohi\n"
+	"EgHDxNo/9HP4djAfBgNVHSMEGDAWgBRC7US5gJYnvd5F7EN+C4anMgd2NzAFBgMr\n"
+	"ZXADQQDo+jHt07Tvz3T5Lbz6apBrSln8xKYfJk2W1wP85XAnf7sZT9apM1bS4EyD\n"
+	"Kckw+KG+9x7myOZz6AXJgZB5OGAO\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA9 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUSIIIRjrNpE+kEPkiJMOqaNAazvQwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAZKy7p1Gn4W/reRxKJN99+QkHt2q9aELktCKe5PqrX5ejYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBRC7US5gJYnvd5F\n"
+	"7EN+C4anMgd2NzAfBgNVHSMEGDAWgBSOhR7Ornis2x8g0J+bvTTwMnW60zAFBgMr\n"
+	"ZXADQQA0MEcC4FgKZEAfalVpApU2to0G158MVz/WTNcSc7fnl8ifJ/g56dVHL1jr\n"
+	"REvC/S28dn/CGAlbVXUAgxnHAbgE\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA8 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUGGFSgD95vOTSj7iFxfXA5vq6vsYwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAg3W/bTdW0fR32NeZEVMXICpa30d7rSdddLOYDvqqUO+jYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBSOhR7Ornis2x8g\n"
+	"0J+bvTTwMnW60zAfBgNVHSMEGDAWgBT3zK8Hbn9aVTAOOFY6RSxJ2o5x2jAFBgMr\n"
+	"ZXADQQBl4gnzE463iMFg57gPvjHdVzA39sJBpiu0kUGfRcLnoRI/VOaLcx7WnJ9+\n"
+	"c3KxPZBec76EdIoQDkTmI6m2FIAM\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA7 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUGktMGXhNuaMhKyAlecymmLD+/GIwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEA/Z1oc76hOQ0Hi+2hePaGIntnMIDqBlb7RDMjRpYONP2jYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBT3zK8Hbn9aVTAO\n"
+	"OFY6RSxJ2o5x2jAfBgNVHSMEGDAWgBSPae3JUN3jP0NgUJqDV3eYxcaM3DAFBgMr\n"
+	"ZXADQQBMkwKaUZlvG/hax8rv3nnDv8kJOr6KVHBnxSx3hZ+8HIBT7GFm1+YDeYOB\n"
+	"jhNg66kyeFPGXXBCe+mvNQFFjCEE\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA6 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUKn3gz5lAUpKqWlHKLKYDbOJ4rygwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAZ/eD4eTe91ddvHusm7YlLPxU4ByGFc6suAmlP1CxXkWjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBSPae3JUN3jP0Ng\n"
+	"UJqDV3eYxcaM3DAfBgNVHSMEGDAWgBT9f/qSI/jhxvGI7aMtkpraDcjBnjAFBgMr\n"
+	"ZXADQQAMRnkmRhnLGdmJaY8B42gfyaAsqCMyds/Tw4OHYy+N48XuAxRjKkhf3szC\n"
+	"0lY71oU043mNP1yx/dzAuCTrVSgI\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA5 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUEgEYbBXXEyGv3vOq10JQv1SBiUUwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAs2xEDPw8RVal53nX9GVwUd1blq1wjtVFC8S1V7up7MWjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBT9f/qSI/jhxvGI\n"
+	"7aMtkpraDcjBnjAfBgNVHSMEGDAWgBRBVkLu9BmCKz7HNI8md4vPpoE/7jAFBgMr\n"
+	"ZXADQQCCufAyLijtzzmeCuO3K50rBSbGvB3FQfep7g6kVsQKM3bw/olWK5/Ji0dD\n"
+	"ubJ0cFl1FmfAda7aVxLBtJOvO6MI\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA4 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIULj8GkaHw+92HuOTnXnXlxCy3VrEwBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAiedxh4dvtwDellMAHc/pZH0MAOXobRenTUgF1yj5l12jYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBRBVkLu9BmCKz7H\n"
+	"NI8md4vPpoE/7jAfBgNVHSMEGDAWgBSDtNRgQ36KwW/ASaMyr6WeDt0STDAFBgMr\n"
+	"ZXADQQDL8U2ckzur7CktdrVUNvfLhVCOz33d/62F28vQFHUa8h/4h+Mi1MMbXOKT\n"
+	"1bL2TvpFpU7Fx/vcIPXDielVqr4C\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA3 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUQXl74TDDw6MQRMbQUSPa6Qrvba8wBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEA7l0jQ0f4fJRw7Qja/Hz2qn8y91SI7CokxhSf+FT+9M6jYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBSDtNRgQ36KwW/A\n"
+	"SaMyr6WeDt0STDAfBgNVHSMEGDAWgBQ2inEK4KH6ATftmybxKE1dZUzOozAFBgMr\n"
+	"ZXADQQCnP7Oqx1epGnFnO7TrTJwcUukXDEYsINve2GeUsi8HEIeKKlMcLZ2Cnaj7\n"
+	"5v9NGuWh3QJpmmSGpEemiv8dJc4A\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA2 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBYTCCAROgAwIBAgIUP7Nmof8H2F1LyDkjqlYIUpGdXE8wBQYDK2VwMB0xGzAZ\n"
+	"BgNVBAMMEkdudVRMUyB0ZXN0IElDQSAkaTAgFw0yNDAzMTIyMjUzMzlaGA85OTk5\n"
+	"MTIzMTIzNTk1OVowHTEbMBkGA1UEAwwSR251VExTIHRlc3QgSUNBICRpMCowBQYD\n"
+	"K2VwAyEAkW9Rod3CXAnha6nlaHkDbCOegq94lgmjqclA9sOIt3yjYzBhMA8GA1Ud\n"
+	"EwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBQ2inEK4KH6ATft\n"
+	"mybxKE1dZUzOozAfBgNVHSMEGDAWgBRPq/CQlK/zuXkjZvTCibu+vejD+jAFBgMr\n"
+	"ZXADQQBU+A+uF0yrtO/yv9cRUdCoL3Y1NKM35INg8BQDnkv724cW9zk1x0q9Fuou\n"
+	"zvfSVb8S3vT8fF5ZDOxarQs6ZH0C\n"
+	"-----END CERTIFICATE-----\n",
+	/* ICA1 */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBXTCCAQ+gAwIBAgIUfUWP+AQHpdFTRKTf21mMzjaJsp0wBQYDK2VwMBkxFzAV\n"
+	"BgNVBAMTDkdudVRMUyB0ZXN0IENBMCAXDTI0MDMxMjIyNTMzOVoYDzk5OTkxMjMx\n"
+	"MjM1OTU5WjAdMRswGQYDVQQDDBJHbnVUTFMgdGVzdCBJQ0EgJGkwKjAFBgMrZXAD\n"
+	"IQAVmfBAvLbT+pTD24pQrr6S0jEIFIV/qOv93yYvAUzpzKNjMGEwDwYDVR0TAQH/\n"
+	"BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAgQwHQYDVR0OBBYEFE+r8JCUr/O5eSNm9MKJ\n"
+	"u7696MP6MB8GA1UdIwQYMBaAFAFpt5wrFsqCtHc4PpluPDvwcxQLMAUGAytlcANB\n"
+	"AC6+XZnthjlUD0TbBKRF3qT5if3Pp29Bgvutw8859unzUZW8FkHg5KeDBj9ncgJc\n"
+	"O2tFnNH2hV6LDPJzU0rtLQc=\n"
+	"-----END CERTIFICATE-----\n",
+	NULL
+};
+
+static const char *many_icas_ca[] = {
+	/* CA (self-signed) */
+	"-----BEGIN CERTIFICATE-----\n"
+	"MIIBNzCB6qADAgECAhRjaokcQwcrtW8tjuVFz3A33F8POjAFBgMrZXAwGTEXMBUG\n"
+	"A1UEAxMOR251VExTIHRlc3QgQ0EwIBcNMjQwMzEyMjI1MzM5WhgPOTk5OTEyMzEy\n"
+	"MzU5NTlaMBkxFzAVBgNVBAMTDkdudVRMUyB0ZXN0IENBMCowBQYDK2VwAyEAvoxP\n"
+	"TNdbWktxA8qQNNH+25Cx9rzP+DxLGeI/7ODwrQGjQjBAMA8GA1UdEwEB/wQFMAMB\n"
+	"Af8wDgYDVR0PAQH/BAQDAgIEMB0GA1UdDgQWBBQBabecKxbKgrR3OD6Zbjw78HMU\n"
+	"CzAFBgMrZXADQQCP5IUD74M7WrUx20uqzrzuj+s2jnBVmLQfWf/Ucetx+oTRFeq4\n"
+	"xZB/adWhycSeJUAB1zKqYUV9hgT8FWHbnHII\n"
+	"-----END CERTIFICATE-----\n",
+	NULL
+};
+
+ #if defined __clang__ || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+ #  pragma GCC diagnostic push
+ #  pragma GCC diagnostic ignored "-Wunused-variable"
+@@ -4566,6 +4773,7 @@ static struct
+     GNUTLS_PROFILE_TO_VFLAGS(GNUTLS_PROFILE_MEDIUM),
+     GNUTLS_CERT_INSECURE_ALGORITHM | GNUTLS_CERT_INVALID, NULL, 1620118136, 1},
+   { "cross signed - ok", cross_signed, cross_signed_ca, 0, 0, 0, 1704955300},
+  { "many intermediates - ok", many_icas, many_icas_ca, 0, 0, 0, 1710284400},
+   { NULL, NULL, NULL, 0, 0}
+ };
+ 
+-- 
+2.33.0
+
--- a/backport-lib-suppress-false-positive-Wanalyzer-out-of-bounds.patch
+++ b/backport-lib-suppress-false-positive-Wanalyzer-out-of-bounds.patch
@ -0,0 +1,70 @@
+From 7e7b8ed89c93b5f95367eeab1b4f06fc2ac83581 Mon Sep 17 00:00:00 2001
+From: Daiki Ueno <ueno@gnu.org>
+Date: Wed, 7 Jun 2023 16:44:00 +0200
+Subject: [PATCH] lib: suppress false-positive -Wanalyzer-out-of-bounds
+
+GCC analyzer from GCC 13 reports this:
+
+  verify-high.c:1471:21: error: stack-based buffer over-read [CWE-126] [-Werror=analyzer-out-of-bounds]
+   1471 |                 if (gnutls_x509_trust_list_get_issuer(
+        |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+   1472 |                             list, cert_list[i - 1], &issuer,
+
+This is false-positive, as i is always in a range 0 < i < cert_list_size.
+
+Signed-off-by: Daiki Ueno <ueno@gnu.org>
+
+Reference: https://gitlab.com/gnutls/gnutls/-/commit/7e7b8ed89c93b5f95367eeab1b4f06fc2ac83581
+Conflict: NA
+
+---
+ lib/x509/verify-high.c | 13 +++++++++++--
+ 1 file changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/lib/x509/verify-high.c b/lib/x509/verify-high.c
+index 2c070b0..02d2f0f 100644
+--- a/lib/x509/verify-high.c
+++ b/lib/x509/verify-high.c
+@@ -1421,7 +1421,7 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 	for (i = 0; i < cert_list_size &&
+ 		     cert_list_size <= DEFAULT_MAX_VERIFY_DEPTH; ) {
+ 		unsigned int sorted_size = 1;
+-		unsigned int j;
+		unsigned int j, k;
+ 		gnutls_x509_crt_t issuer;
+ 
+ 		if (!(flags & GNUTLS_VERIFY_DO_NOT_ALLOW_UNSORTED_CHAIN)) {
+@@ -1429,6 +1429,8 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 							 cert_list_size - i);
+ 		}
+ 
+		assert(sorted_size > 0);
+
+ 		/* Remove duplicates. Start with index 1, as the first element
+ 		 * may be re-checked after issuer retrieval. */
+ 		for (j = 0; j < sorted_size; j++) {
+@@ -1448,13 +1450,20 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 		}
+ 
+ 		/* Record the certificates seen. */
+-		for (j = 0; j < sorted_size; j++, i++) {
+		for (k = 0; k < sorted_size; k++, i++) {
+ 			if (!gl_list_nx_add_last(records, cert_list[i])) {
+ 				ret = gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
+ 				goto cleanup;
+ 			}
+ 		}
+ 
+		/* Pacify GCC analyzer: the condition always holds
+		 * true as sorted_size > 0 is checked above, and the
+		 * following loop should iterate at least once so i++
+		 * is called.
+		 */
+		assert(i > 0);
+
+ 		/* If the issuer of the certificate is known, no need
+ 		 * for further processing. */
+ 		if (gnutls_x509_trust_list_get_issuer(list,
+-- 
+2.33.0
+
--- a/backport-x509-fix-thread-safety-in-gnutls_x509_trust_list_ver.patch
+++ b/backport-x509-fix-thread-safety-in-gnutls_x509_trust_list_ver.patch
@ -0,0 +1,49 @@
+From 22f837ba0bc7d13c3d738a8583566368fc12aee1 Mon Sep 17 00:00:00 2001
+From: Daiki Ueno <ueno@gnu.org>
+Date: Sat, 30 Oct 2021 08:56:07 +0200
+Subject: [PATCH] x509: fix thread-safety in gnutls_x509_trust_list_verify_crt2
+
+This function previously used gnutls_x509_trust_list_get_issuer
+without GNUTLS_TL_GET_COPY flag, which is required when the function
+is called from multi-threaded application and PKCS #11 trust store is
+in use.
+
+Reported and the change suggested by Remi Gacogne in:
+https://gitlab.com/gnutls/gnutls/-/issues/1277
+
+Signed-off-by: Daiki Ueno <ueno@gnu.org>
+
+Reference: https://gitlab.com/gnutls/gnutls/-/commit/22f837ba0bc7d13c3d738a8583566368fc12aee1
+Conflict: NA
+
+---
+ lib/x509/verify-high.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/lib/x509/verify-high.c b/lib/x509/verify-high.c
+index ab8e006ca..5698d4f37 100644
+--- a/lib/x509/verify-high.c
+++ b/lib/x509/verify-high.c
+@@ -1102,7 +1102,8 @@ int trust_list_get_issuer_by_dn(gnutls_x509_trust_list_t list,
+  * gnutls_x509_trust_list_get_issuer:
+  * @list: The list
+  * @cert: is the certificate to find issuer for
+- * @issuer: Will hold the issuer if any. Should be treated as constant.
+ * @issuer: Will hold the issuer if any. Should be treated as constant
+ *   unless %GNUTLS_TL_GET_COPY is set in @flags.
+  * @flags: flags from %gnutls_trust_list_flags_t (%GNUTLS_TL_GET_COPY is applicable)
+  *
+  * This function will find the issuer of the given certificate.
+@@ -1521,7 +1522,8 @@ gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list,
+ 		if (gnutls_x509_trust_list_get_issuer(list,
+ 						      cert_list[i - 1],
+ 						      &issuer,
+-						      0) == 0) {
+						      GNUTLS_TL_GET_COPY) == 0) {
+			gnutls_x509_crt_deinit(issuer);
+ 			cert_list_size = i;
+ 			break;
+ 		}
+-- 
+2.33.0
+
--- a/gnutls.spec
+++ b/gnutls.spec
@ -1,6 +1,6 @@
 Name: gnutls
 Version: 3.7.2
-Release: 14
+Release: 15
 Summary: The GNU Secure Communication Protocol Library

 License: LGPLv2.1+ and GPLv3+
@ -19,6 +19,10 @@ Patch8: backport-CVE-2024-0553-rsa-psk-minimize-branching-after-decryption.patch
 Patch9: backport-CVE-2024-0567-x509-detect-loop-in-certificate-chain.patch
 Patch10: backport-fix-CVE-2024-28834-nettle-avoid-normalization-of-mpz_t-in-deterministic.patch
 Patch11: backport-add-gnulib-files.patch
+Patch12: backport-x509-fix-thread-safety-in-gnutls_x509_trust_list_ver.patch
+Patch13: backport-Fix-removal-of-duplicate-certs-during-verification.patch
+Patch14: backport-lib-suppress-false-positive-Wanalyzer-out-of-bounds.patch
+Patch15: backport-fix-CVE-2024-28835-gnutls_x509_trust_list_verify_crt2-remove-length-lim.patch

 %bcond_without dane
 %bcond_with guile
@ -225,8 +229,10 @@ make check %{?_smp_mflags}
 %endif

 %changelog
-* Thu Apr 18 2024 fangxiuning <fangxiuning@huawei.com> - 3.7
-.2-14
+* Thu Apr 18 2024 fangxiuning <fangxiuning@huawei.com> - 3.7.2-15
+- fix CVE-2024-28835
+
+* Thu Apr 18 2024 fangxiuning <fangxiuning@huawei.com> - 3.7.2-14
 - fix CVE-2024-28835

 * Tue Mar 26 2024 xuraoqing <xuraoqing@huawei.com> - 3.7.2-13