1.漏洞简介:
Spring Cloud Function组件爆出0day -- SpEL表达式注入导致RCE
2.影响版本:
3.0.0.RELEASE <= Spring Cloud Function <= 3.2.2
3.漏洞环境:
https://github.com/Pizz33/Spring-Cloud-Function-SpEL
#运行靶场:
java -jar demo-0.0.1-SNAPSHOT.jar
4.复现过程:
poc:
https://github.com/XUANCUN/Spring-Cloud-Function-SpEL-poc-and-exp
访问8080端口:
![https://s1.ax1x.com/2022/03/31/qRrpVK.png](https://s1.ax1x.com/2022/03/31/qRrpVK.png)
![https://s1.ax1x.com/2022/03/31/qRreqP.png](https://s1.ax1x.com/2022/03/31/qRreqP.png)
反弹成功:
![https://s1.ax1x.com/2022/03/31/qRrF8H.png](https://s1.ax1x.com/2022/03/31/qRrF8H.png)