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-rw-r--r--php-bug80672.patch239
1 files changed, 239 insertions, 0 deletions
diff --git a/php-bug80672.patch b/php-bug80672.patch
new file mode 100644
index 0000000..bc94bd3
--- /dev/null
+++ b/php-bug80672.patch
@@ -0,0 +1,239 @@
+From d0bc0dbb20e906324e874197fa71d7b4583e59b6 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Sun, 31 Jan 2021 21:15:23 -0800
+Subject: [PATCH 1/2] Fix bug #80672 - Null Dereference in SoapClient
+
+(cherry picked from commit 3c939e3f69955d087e0bb671868f7267dfb2a502)
+(cherry picked from commit f1e2cfa008d1596251968d13eb9a8539dba6879f)
+---
+ NEWS | 5 +++++
+ ext/soap/php_sdl.c | 26 ++++++++++++++------------
+ ext/soap/php_xml.c | 4 ++--
+ ext/soap/tests/bug80672.phpt | 15 +++++++++++++++
+ ext/soap/tests/bug80672.xml | 6 ++++++
+ 5 files changed, 42 insertions(+), 14 deletions(-)
+ create mode 100644 ext/soap/tests/bug80672.phpt
+ create mode 100644 ext/soap/tests/bug80672.xml
+
+diff --git a/NEWS b/NEWS
+index 43e3b8faf3..8e9bd9648e 100644
+--- a/NEWS
++++ b/NEWS
+@@ -1,6 +1,11 @@
+ PHP NEWS
+ |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
+
++Backported from 7.3.27
++
++- SOAP:
++ . Fixed bug #80672 (Null Dereference in SoapClient). (CVE-2021-21702) (cmb, Stas)
++
+ Backported from 7.3.26
+
+ - Standard:
+diff --git a/ext/soap/php_sdl.c b/ext/soap/php_sdl.c
+index 51aea0021e..49f61374cb 100644
+--- a/ext/soap/php_sdl.c
++++ b/ext/soap/php_sdl.c
+@@ -318,6 +318,8 @@ void sdl_restore_uri_credentials(sdlCtx *ctx TSRMLS_DC)
+ ctx->context = NULL;
+ }
+
++#define SAFE_STR(a) ((a)?a:"")
++
+ static void load_wsdl_ex(zval *this_ptr, char *struri, sdlCtx *ctx, int include TSRMLS_DC)
+ {
+ sdlPtr tmpsdl = ctx->sdl;
+@@ -379,7 +381,7 @@ static void load_wsdl_ex(zval *this_ptr, char *struri, sdlCtx *ctx, int include
+ if (node_is_equal_ex(trav2, "schema", XSD_NAMESPACE)) {
+ load_schema(ctx, trav2 TSRMLS_CC);
+ } else if (is_wsdl_element(trav2) && !node_is_equal(trav2,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav2->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav2->name));
+ }
+ trav2 = trav2->next;
+ }
+@@ -440,7 +442,7 @@ static void load_wsdl_ex(zval *this_ptr, char *struri, sdlCtx *ctx, int include
+ soap_error0(E_ERROR, "Parsing WSDL: <service> has no name attribute");
+ }
+ } else if (!node_is_equal(trav,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+ trav = trav->next;
+ }
+@@ -550,7 +552,7 @@ static sdlSoapBindingFunctionHeaderPtr wsdl_soap_binding_header(sdlCtx* ctx, xml
+ }
+ smart_str_free(&key);
+ } else if (is_wsdl_element(trav) && !node_is_equal(trav,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+ trav = trav->next;
+ }
+@@ -655,7 +657,7 @@ static void wsdl_soap_binding_body(sdlCtx* ctx, xmlNodePtr node, char* wsdl_soap
+ }
+ smart_str_free(&key);
+ } else if (is_wsdl_element(trav) && !node_is_equal(trav,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+ trav = trav->next;
+ }
+@@ -687,14 +689,14 @@ static HashTable* wsdl_message(sdlCtx *ctx, xmlChar* message_name)
+ sdlParamPtr param;
+
+ if (trav->ns != NULL && strcmp((char*)trav->ns->href, WSDL_NAMESPACE) != 0) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected extensibility element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected extensibility element <%s>", SAFE_STR(trav->name));
+ }
+ if (node_is_equal(trav,"documentation")) {
+ trav = trav->next;
+ continue;
+ }
+ if (!node_is_equal(trav,"part")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+ part = trav;
+ param = emalloc(sizeof(sdlParam));
+@@ -703,7 +705,7 @@ static HashTable* wsdl_message(sdlCtx *ctx, xmlChar* message_name)
+
+ name = get_attribute(part->properties, "name");
+ if (name == NULL) {
+- soap_error1(E_ERROR, "Parsing WSDL: No name associated with <part> '%s'", message->name);
++ soap_error1(E_ERROR, "Parsing WSDL: No name associated with <part> '%s'", SAFE_STR(message->name));
+ }
+
+ param->paramName = estrdup((char*)name->children->content);
+@@ -773,7 +775,7 @@ static sdlPtr load_wsdl(zval *this_ptr, char *struri TSRMLS_DC)
+ continue;
+ }
+ if (!node_is_equal(trav,"port")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+
+ port = trav;
+@@ -812,7 +814,7 @@ static sdlPtr load_wsdl(zval *this_ptr, char *struri TSRMLS_DC)
+ }
+ }
+ if (trav2 != address && is_wsdl_element(trav2) && !node_is_equal(trav2,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav2->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav2->name));
+ }
+ trav2 = trav2->next;
+ }
+@@ -914,7 +916,7 @@ static sdlPtr load_wsdl(zval *this_ptr, char *struri TSRMLS_DC)
+ continue;
+ }
+ if (!node_is_equal(trav2,"operation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav2->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav2->name));
+ }
+
+ operation = trav2;
+@@ -933,7 +935,7 @@ static sdlPtr load_wsdl(zval *this_ptr, char *struri TSRMLS_DC)
+ !node_is_equal(trav3,"output") &&
+ !node_is_equal(trav3,"fault") &&
+ !node_is_equal(trav3,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav3->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav3->name));
+ }
+ trav3 = trav3->next;
+ }
+@@ -1111,7 +1113,7 @@ static sdlPtr load_wsdl(zval *this_ptr, char *struri TSRMLS_DC)
+ }
+ }
+ } else if (is_wsdl_element(trav) && !node_is_equal(trav,"documentation")) {
+- soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", trav->name);
++ soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav->name));
+ }
+ trav = trav->next;
+ }
+diff --git a/ext/soap/php_xml.c b/ext/soap/php_xml.c
+index f3b49dfd41..4694b4e05d 100644
+--- a/ext/soap/php_xml.c
++++ b/ext/soap/php_xml.c
+@@ -205,7 +205,7 @@ xmlNsPtr node_find_ns(xmlNodePtr node)
+
+ int attr_is_equal_ex(xmlAttrPtr node, char *name, char *ns)
+ {
+- if (name == NULL || strcmp((char*)node->name, name) == 0) {
++ if (name == NULL || ((node->name) && strcmp((char*)node->name, name) == 0)) {
+ if (ns) {
+ xmlNsPtr nsPtr = attr_find_ns(node);
+ if (nsPtr) {
+@@ -221,7 +221,7 @@ int attr_is_equal_ex(xmlAttrPtr node, char *name, char *ns)
+
+ int node_is_equal_ex(xmlNodePtr node, char *name, char *ns)
+ {
+- if (name == NULL || strcmp((char*)node->name, name) == 0) {
++ if (name == NULL || ((node->name) && strcmp((char*)node->name, name) == 0)) {
+ if (ns) {
+ xmlNsPtr nsPtr = node_find_ns(node);
+ if (nsPtr) {
+diff --git a/ext/soap/tests/bug80672.phpt b/ext/soap/tests/bug80672.phpt
+new file mode 100644
+index 0000000000..71e2b1d841
+--- /dev/null
++++ b/ext/soap/tests/bug80672.phpt
+@@ -0,0 +1,15 @@
++--TEST--
++Bug #80672 Null Dereference in SoapClient
++--SKIPIF--
++<?php require_once('skipif.inc'); ?>
++--FILE--
++<?php
++try {
++ $client = new SoapClient(__DIR__ . "/bug80672.xml");
++ $query = $soap->query(array('sXML' => 'something'));
++} catch(SoapFault $e) {
++ print $e->getMessage();
++}
++?>
++--EXPECTF--
++SOAP-ERROR: Parsing WSDL: Unexpected WSDL element <>
+\ No newline at end of file
+diff --git a/ext/soap/tests/bug80672.xml b/ext/soap/tests/bug80672.xml
+new file mode 100644
+index 0000000000..0fa185bf1e
+--- /dev/null
++++ b/ext/soap/tests/bug80672.xml
+@@ -0,0 +1,6 @@
++<?xml version="1.0" encoding="ISO-8859-1"?>
++<soap:definitions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
++ xmlns:xsd="http://www.w3.org/2001/XMLSchema"
++ xmlns:soap="http://schemas.xmlsoap.org/wsdl/">
++<![CDATA[test]]>
++</soap:definitions>
+--
+2.29.2
+
+From 0373255df92545ded6df1a8b1af58ee63bae1754 Mon Sep 17 00:00:00 2001
+From: Nikita Popov <nikita.ppv@gmail.com>
+Date: Mon, 1 Feb 2021 09:46:17 +0100
+Subject: [PATCH 2/2] Fix build
+
+(cherry picked from commit e5d767d27f94895e09f0321562fd3774d4656164)
+(cherry picked from commit 02352d5acc1896756dcb4645f54689ffdcc4ca52)
+---
+ ext/soap/php_sdl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ext/soap/php_sdl.c b/ext/soap/php_sdl.c
+index 49f61374cb..4a3a2fab52 100644
+--- a/ext/soap/php_sdl.c
++++ b/ext/soap/php_sdl.c
+@@ -318,7 +318,7 @@ void sdl_restore_uri_credentials(sdlCtx *ctx TSRMLS_DC)
+ ctx->context = NULL;
+ }
+
+-#define SAFE_STR(a) ((a)?a:"")
++#define SAFE_STR(a) ((a)?((const char *)a):"")
+
+ static void load_wsdl_ex(zval *this_ptr, char *struri, sdlCtx *ctx, int include TSRMLS_DC)
+ {
+--
+2.29.2
+
generated by cgit (git 2.34.1) at 2024-11-18 01:01:14 +0000