CVE-2020-2883 PoC — Oracle Fusion Middleware 安全漏洞

Source

https://github.com/MagicZer0/Weblogic_CVE-2020-2883_POC

Associated Vulnerability

Title:Oracle Fusion Middleware 安全漏洞 (CVE-2020-2883)
Description:Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Description

Proof of concept for Weblogic CVE-2020-2883

Readme

# POC for weblogic CVE-2020-2883

poc1:

```bash
 javax.management.BadAttributeValueExpException.readObject()
   com.tangosol.internal.sleepycat.persist.evolve.Mutations.toString()
     java.util.concurrent.ConcurrentSkipListMap$SubMap.size()
     java.util.concurrent.ConcurrentSkipListMap$SubMap.isBeforeEnd()
       java.util.concurrent.ConcurrentSkipListMap.cpr()
         com.tangosol.util.comparator.ExtractorComparator.compare()
           com.tangosol.util.extractor.ChainedExtractor.extract()
           com.tangosol.util.extractor.ReflectionExtractor().extract()
             Method.invoke()
             //...
           com.tangosol.util.extractor.ReflectionExtractor().extract()
             Method.invoke()
               Runtime.exec()
```

poc2:

```bash
java.util.PriorityQueue.readObject()
  java.util.PriorityQueue.heapify()
  java.util.PriorityQueue.siftDown()
  java.util.PriorityQueue.siftDownUsingComparator()
  com.tangosol.util.extractor.AbstractExtractor.compare()
    com.tangosol.util.extractor.MultiExtractor.extract()
      com.tangosol.util.extractor.ChainedExtractor.extract()
        //...
        Method.invoke()
            //...
          Runtime.exec()
```

## Cautious

1. 需要导入依赖的coherence包
2. T3的请求请自行构造

          
## Reference

https://www.thezdi.com/blog/2020/5/8/details-on-the-oracle-weblogic-vulnerability-being-exploited-in-the-wild

File Snapshot


 [4.0K]  /data/pocs/b79e9559fd563e358db0ff23f0290d6be07bece8
├── [ 806]  pom.xml
├── [1.4K]  README.md
├── [4.0K]  src
│   └── [4.0K]  main
│       └── [4.0K]  java
│           ├── [4.6K]  Gadget1.java
│           └── [3.6K]  Gadget2.java
└── [  80]  weblogic_cve-2020-2883.iml

3 directories, 5 files

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