CVE-2021-44228 PoC — Apache Log4j 代码问题漏洞

Source

https://github.com/NikitaPark/Log4Shell-PoC-Application

Associated Vulnerability

Title:Apache Log4j 代码问题漏洞 (CVE-2021-44228)
Description:Apache Log4j是美国阿帕奇（Apache）基金会的一款基于Java的开源日志记录工具。 Apache Log4J 存在代码问题漏洞，攻击者可设计一个数据请求发送给使用 Apache Log4j工具的服务器，当该请求被打印成日志时就会触发远程代码执行。

Description

Log4Shell (CVE-2021-44228) PoC Application

Readme

# ☕ Log4Shell PoC Application
Spring framework based web application for proof of concept for log4shell vulnerabilities

## Install & Launch
> [!Important]
> JDK 1.8(8u131 in development) is required to launch this project

Use the provided `Dockerfile` to build and run the Docker image for poc application.
```shell
docker build --tag log4shell-poc-application .
docker run -d -p 8080:8000 --name Log4shell-PoC-Application log4shell-poc-application
```

## Proof of Concept 
To test for vulnerabilities in this application, you must send a GET request by inserting the payload into the `X-Api-Key header` in the `/vuln` path.
![poc-screenshot](./screenshot/poc.png)

File Snapshot


 [4.0K]  /data/pocs/b10de0721c35100b0dd1ef98a9a26b0f3417c6dd
├── [ 821]  build.gradle
├── [ 317]  Dockerfile
├── [4.0K]  gradle
│   └── [4.0K]  wrapper
│       ├── [ 42K]  gradle-wrapper.jar
│       └── [ 250]  gradle-wrapper.properties
├── [8.5K]  gradlew
├── [2.8K]  gradlew.bat
├── [ 669]  README.md
├── [4.0K]  screenshot
│   └── [679K]  poc.png
├── [  47]  settings.gradle
└── [4.0K]  src
    ├── [4.0K]  main
    │   ├── [4.0K]  java
    │   │   └── [4.0K]  com
    │   │       └── [4.0K]  nikitapark
    │   │           └── [4.0K]  log4shellpocapplication
    │   │               ├── [4.0K]  controller
    │   │               │   ├── [ 294]  HomeController.java
    │   │               │   └── [ 661]  VulnController.java
    │   │               └── [ 436]  Log4ShellPoCApplication.java
    │   └── [4.0K]  resources
    │       ├── [  66]  application.properties
    │       ├── [ 485]  log4j2.fxml
    │       └── [4.0K]  templates
    │           └── [1.7K]  index.html
    └── [4.0K]  test
        └── [4.0K]  java
            └── [4.0K]  com
                └── [4.0K]  nikitapark
                    └── [4.0K]  log4shellpocapplication
                        └── [ 245]  Log4ShellPoCApplicationTests.java

17 directories, 16 files

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