CVE-2022-22965 PoC — Spring Framework 代码注入漏洞

Source

https://github.com/devengpk/CVE-2022-22965

Associated Vulnerability

Title:Spring Framework 代码注入漏洞 (CVE-2022-22965)
Description:A Spring MVC or Spring WebFlux application running on JDK 9+ may be vulnerable to remote code execution (RCE) via data binding. The specific exploit requires the application to run on Tomcat as a WAR deployment. If the application is deployed as a Spring Boot executable jar, i.e. the default, it is not vulnerable to the exploit. However, the nature of the vulnerability is more general, and there may be other ways to exploit it.

Readme

# Spring4Shell-PoC Application

This application has been containerized and is susceptible to the Spring4Shell flaw (CVE-2022-22965). The war's complete Java source is available and changeable; it may be rebuilt each time the docker image is created. Tomcat will then start loading the created WAR. This application is a straightforward hello world that is based on [Spring tutorials](https://spring.io/guides/gs/handling-form-submission/). It has nothing exceptional to offer.


## Requirements

1. Docker
2. Python3 + requests library

## Instructions

1. Clone the repository
2. Build and run the container: `docker build . -t spring4shell && docker run -p 8080:8080 spring4shell`
3. App should now be available at http://localhost:8080/helloworld/greeting
4. Run the exploit.py script:
 `python exploit.py --url "http://localhost:8080/helloworld/greeting"`
5. Visit the created webshell! Modify the `cmd` GET parameter for your commands. (`http://localhost:8080/shell.jsp` by default)

Document is added explaining full exploit detail.

File Snapshot


 [4.0K]  /data/pocs/0879483eb568b556e12b88ebad3bff8dc27a6cf5
├── [ 23M]  CVE-2022-22965.mp4
├── [585K]  CVE-2022-22965-Spring4Shell.pdf
├── [ 551]  Dockerfile
├── [4.0K]  exploit.py
├── [1.8K]  pom.xml
├── [1.0K]  README.md
└── [4.0K]  src
    ├── [4.0K]  main
    │   ├── [4.0K]  java
    │   │   └── [4.0K]  com
    │   │       └── [4.0K]  reznok
    │   │           └── [4.0K]  helloworld
    │   │               ├── [ 317]  Greeting.java
    │   │               ├── [ 654]  HelloController.java
    │   │               └── [ 440]  HelloworldApplication.java
    │   └── [4.0K]  resources
    │       ├── [   1]  application.properties
    │       └── [4.0K]  templates
    │           └── [ 185]  hello.html
    └── [4.0K]  test
        └── [4.0K]  java
            └── [4.0K]  com
                └── [4.0K]  reznok
                    └── [4.0K]  helloworld
                        └── [ 217]  HelloworldApplicationTests.java

13 directories, 12 files

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