File apache-commons-beanutils-CVE-2019-10086.patch of Package apache-commons-beanutils

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File apache-commons-beanutils-CVE-2019-10086.patch of Package apache-commons-beanutils

From dd48f4e589462a8cdb1f29bbbccb35d6b0291d58 Mon Sep 17 00:00:00 2001
From: Melloware <mellowaredev@gmail.com>
Date: Tue, 28 May 2019 08:31:14 -0400
Subject: [PATCH] BEANUTILS-520: Mitigate CVE-2014-0114 by enabling
 SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS by default. (#7)

Squash and merge.
---
 .../commons/beanutils/PropertyUtilsBean.java |  1 +
 .../BeanIntrospectionDataTestCase.java        |  1 +
 .../beanutils/bugs/Jira157TestCase.java      |  7 +++
 .../beanutils/bugs/Jira520TestCase.java      | 55 +++++++++++++++++++
 4 files changed, 64 insertions(+)
 create mode 100644 src/test/java/org/apache/commons/beanutils/bugs/Jira520TestCase.java

Index: commons-beanutils-1.9.2-src/src/main/java/org/apache/commons/beanutils/PropertyUtilsBean.java
===================================================================
--- commons-beanutils-1.9.2-src.orig/src/main/java/org/apache/commons/beanutils/PropertyUtilsBean.java
+++ commons-beanutils-1.9.2-src/src/main/java/org/apache/commons/beanutils/PropertyUtilsBean.java
@@ -188,6 +188,7 @@ public class PropertyUtilsBean {
     public final void resetBeanIntrospectors() {
         introspectors.clear();
         introspectors.add(DefaultBeanIntrospector.INSTANCE);
+        introspectors.add(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);
     }
 
     /**
Index: commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/BeanIntrospectionDataTestCase.java
===================================================================
--- commons-beanutils-1.9.2-src.orig/src/test/java/org/apache/commons/beanutils/BeanIntrospectionDataTestCase.java
+++ commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/BeanIntrospectionDataTestCase.java
@@ -42,6 +42,7 @@ public class BeanIntrospectionDataTestCa
      */
     private static PropertyDescriptor[] fetchDescriptors() {
         PropertyUtilsBean pub = new PropertyUtilsBean();
+        pub.removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);
         pub.addBeanIntrospector(new FluentPropertyBeanIntrospector());
         return pub.getPropertyDescriptors(BEAN_CLASS);
     }
Index: commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/bugs/Jira157TestCase.java
===================================================================
--- commons-beanutils-1.9.2-src.orig/src/test/java/org/apache/commons/beanutils/bugs/Jira157TestCase.java
+++ commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/bugs/Jira157TestCase.java
@@ -24,6 +24,9 @@ import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
 import org.apache.commons.beanutils.BeanUtils;
+import org.apache.commons.beanutils.BeanUtilsBean;
+import org.apache.commons.beanutils.PropertyUtilsBean;
+import org.apache.commons.beanutils.SuppressPropertiesBeanIntrospector;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
@@ -74,6 +77,10 @@ public class Jira157TestCase extends Tes
     @Override
     protected void setUp() throws Exception {
         super.setUp();
+
+        BeanUtilsBean custom = new BeanUtilsBean();
+        custom.getPropertyUtils().removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);
+        BeanUtilsBean.setInstance(custom);
     }
 
     /**
Index: commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/bugs/Jira520TestCase.java
===================================================================
--- /dev/null
+++ commons-beanutils-1.9.2-src/src/test/java/org/apache/commons/beanutils/bugs/Jira520TestCase.java
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.beanutils.bugs;
+
+import org.apache.commons.beanutils.AlphaBean;
+import org.apache.commons.beanutils.BeanUtilsBean;
+import org.apache.commons.beanutils.SuppressPropertiesBeanIntrospector;
+
+import junit.framework.TestCase;
+
+/**
+ * Fix CVE: https://nvd.nist.gov/vuln/detail/CVE-2014-0114
+ *
+ * @see <a href="https://issues.apache.org/jira/browse/BEANUTILS-520">https://issues.apache.org/jira/browse/BEANUTILS-520</a>
+ */
+public class Jira520TestCase extends TestCase {
+    /**
+     * By default opt-in to security that does not allow access to "class".
+     */
+    public void testSuppressClassPropertyByDefault() throws Exception {
+        final BeanUtilsBean bub = new BeanUtilsBean();
+        final AlphaBean bean = new AlphaBean();
+        try {
+            bub.getProperty(bean, "class");
+            fail("Could access class property!");
+        } catch (final NoSuchMethodException ex) {
+            // ok
+        }
+    }
+
+    /**
+     * Allow opt-out to make your app less secure but allow access to "class".
+     */
+    public void testAllowAccessToClassProperty() throws Exception {
+        final BeanUtilsBean bub = new BeanUtilsBean();
+        bub.getPropertyUtils().removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);
+        final AlphaBean bean = new AlphaBean();
+        String result = bub.getProperty(bean, "class");
+        assertEquals("Class property should have been accessed", "class org.apache.commons.beanutils.AlphaBean", result);
+    }
+}

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