bugfix: apply patch CVE-2025-23419.patch

patches/nginx-1.21.4-CVE-2025-23419.patch

@@ -0,0 +1,40 @@
+diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
+index 013b7158e..a7a3ee5b0 100644
+--- a/src/http/ngx_http_request.c
++++ b/src/http/ngx_http_request.c
+@@ -909,6 +909,26 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+         goto done;
+     }
+ 
++    sscf = ngx_http_get_module_srv_conf(cscf->ctx, ngx_http_ssl_module);
++
++#if (defined TLS1_3_VERSION                                                   \
++     && !defined LIBRESSL_VERSION_NUMBER && !defined OPENSSL_IS_BORINGSSL)
++    /*
++     * SSL_SESSION_get0_hostname() is only available in OpenSSL 1.1.1+,
++     * but servername being negotiated in every TLSv1.3 handshake
++     * is only returned in OpenSSL 1.1.1+ as well
++     */
++    if (sscf->verify) {
++        const char  *hostname;
++        hostname = SSL_SESSION_get0_hostname(SSL_get0_session(ssl_conn));
++        if (hostname != NULL && ngx_strcmp(hostname, servername) != 0) {
++            c->ssl->handshake_rejected = 1;
++            *ad = SSL_AD_ACCESS_DENIED;
++            return SSL_TLSEXT_ERR_ALERT_FATAL;
++        }
++    }
++#endif
++
+     hc->ssl_servername = ngx_palloc(c->pool, sizeof(ngx_str_t));
+     if (hc->ssl_servername == NULL) {
+         goto error;
+@@ -922,8 +942,6 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+ 
+     ngx_set_connection_log(c, clcf->error_log);
+ 
+-    sscf = ngx_http_get_module_srv_conf(hc->conf_ctx, ngx_http_ssl_module);
+-
+     c->ssl->buffer_size = sscf->buffer_size;
+ 
+     if (sscf->ssl.ctx) {

patches/nginx-1.25.3-CVE-2025-23419.patch

@@ -0,0 +1,40 @@
+diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
+index 013b7158e..a7a3ee5b0 100644
+--- a/src/http/ngx_http_request.c
++++ b/src/http/ngx_http_request.c
+@@ -909,6 +909,26 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+         goto done;
+     }
+ 
++    sscf = ngx_http_get_module_srv_conf(cscf->ctx, ngx_http_ssl_module);
++
++#if (defined TLS1_3_VERSION                                                   \
++     && !defined LIBRESSL_VERSION_NUMBER && !defined OPENSSL_IS_BORINGSSL)
++    /*
++     * SSL_SESSION_get0_hostname() is only available in OpenSSL 1.1.1+,
++     * but servername being negotiated in every TLSv1.3 handshake
++     * is only returned in OpenSSL 1.1.1+ as well
++     */
++    if (sscf->verify) {
++        const char  *hostname;
++        hostname = SSL_SESSION_get0_hostname(SSL_get0_session(ssl_conn));
++        if (hostname != NULL && ngx_strcmp(hostname, servername) != 0) {
++            c->ssl->handshake_rejected = 1;
++            *ad = SSL_AD_ACCESS_DENIED;
++            return SSL_TLSEXT_ERR_ALERT_FATAL;
++        }
++    }
++#endif
++
+     hc->ssl_servername = ngx_palloc(c->pool, sizeof(ngx_str_t));
+     if (hc->ssl_servername == NULL) {
+         goto error;
+@@ -922,8 +942,6 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+ 
+     ngx_set_connection_log(c, clcf->error_log);
+ 
+-    sscf = ngx_http_get_module_srv_conf(hc->conf_ctx, ngx_http_ssl_module);
+-
+     c->ssl->buffer_size = sscf->buffer_size;
+ 
+     if (sscf->ssl.ctx) {

patches/nginx-1.27.1-CVE-2025-23419.patch

@@ -0,0 +1,87 @@
+diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
+index 3cca57cf5..9593b7fb5 100644
+--- a/src/http/ngx_http_request.c
++++ b/src/http/ngx_http_request.c
+@@ -932,6 +932,31 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+         goto done;
+     }
+ 
++    sscf = ngx_http_get_module_srv_conf(cscf->ctx, ngx_http_ssl_module);
++
++#if (defined TLS1_3_VERSION                                                   \
++     && !defined LIBRESSL_VERSION_NUMBER && !defined OPENSSL_IS_BORINGSSL)
++
++    /*
++     * SSL_SESSION_get0_hostname() is only available in OpenSSL 1.1.1+,
++     * but servername being negotiated in every TLSv1.3 handshake
++     * is only returned in OpenSSL 1.1.1+ as well
++     */
++
++    if (sscf->verify) {
++        const char  *hostname;
++
++        hostname = SSL_SESSION_get0_hostname(SSL_get0_session(ssl_conn));
++
++        if (hostname != NULL && ngx_strcmp(hostname, servername) != 0) {
++            c->ssl->handshake_rejected = 1;
++            *ad = SSL_AD_ACCESS_DENIED;
++            return SSL_TLSEXT_ERR_ALERT_FATAL;
++        }
++    }
++
++#endif
++
+     hc->ssl_servername = ngx_palloc(c->pool, sizeof(ngx_str_t));
+     if (hc->ssl_servername == NULL) {
+         goto error;
+@@ -945,8 +970,6 @@ ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+ 
+     ngx_set_connection_log(c, clcf->error_log);
+ 
+-    sscf = ngx_http_get_module_srv_conf(hc->conf_ctx, ngx_http_ssl_module);
+-
+     c->ssl->buffer_size = sscf->buffer_size;
+ 
+     if (sscf->ssl.ctx) {
+diff --git a/src/stream/ngx_stream_ssl_module.c b/src/stream/ngx_stream_ssl_module.c
+index ba444776a..6dee106de 100644
+--- a/src/stream/ngx_stream_ssl_module.c
++++ b/src/stream/ngx_stream_ssl_module.c
+@@ -521,12 +521,35 @@ ngx_stream_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
+         goto done;
+     }
+ 
++    sscf = ngx_stream_get_module_srv_conf(cscf->ctx, ngx_stream_ssl_module);
++
++#if (defined TLS1_3_VERSION                                                   \
++     && !defined LIBRESSL_VERSION_NUMBER && !defined OPENSSL_IS_BORINGSSL)
++
++    /*
++     * SSL_SESSION_get0_hostname() is only available in OpenSSL 1.1.1+,
++     * but servername being negotiated in every TLSv1.3 handshake
++     * is only returned in OpenSSL 1.1.1+ as well
++     */
++
++    if (sscf->verify) {
++        const char  *hostname;
++
++        hostname = SSL_SESSION_get0_hostname(SSL_get0_session(ssl_conn));
++
++        if (hostname != NULL && ngx_strcmp(hostname, servername) != 0) {
++            c->ssl->handshake_rejected = 1;
++            *ad = SSL_AD_ACCESS_DENIED;
++            return SSL_TLSEXT_ERR_ALERT_FATAL;
++        }
++    }
++
++#endif
++
+     s->srv_conf = cscf->ctx->srv_conf;
+ 
+     ngx_set_connection_log(c, cscf->error_log);
+ 
+-    sscf = ngx_stream_get_module_srv_conf(s, ngx_stream_ssl_module);
+-
+     if (sscf->ssl.ctx) {
+         if (SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx) == NULL) {
+             goto error;

util/mirror-tarballs

@@ -524,6 +524,15 @@ if [ "$answer" = "Y" ]; then
     fi
 fi
 
+answer=`$root/util/ver-ge "$main_ver" 1.21.4`
+if [ "$answer" = "Y" ]; then
+    answer=`$root/util/ver-ge "$main_ver" 1.27.4`
+    if [ "$answer" = "N" ]; then
+        echo "$info_txt applying the patch for nginx security advisory (CVE-2025-23419)"
+        patch -p1 < $root/patches/nginx-$main_ver-CVE-2025-23419.patch || exit 1
+    fi
+fi
+
 
 echo "$info_txt applying the upstream_timeout_fields patch for nginx"
 patch -p1 < $root/patches/nginx-$main_ver-upstream_timeout_fields.patch || exit 1