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weblogic/CVE-2018-2894/README.zh-cn.md
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weblogic/CVE-2018-2894/README.zh-cn.md
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# Weblogic 任意文件上传漏洞(CVE-2018-2894)
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Oracle 7月更新中,修复了Weblogic Web Service Test Page中一处任意文件上传漏洞,Web Service Test Page 在"生产模式"下默认不开启,所以该漏洞有一定限制。
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利用该漏洞,可以上传任意jsp文件,进而获取服务器权限。
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参考链接:
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- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
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- https://mp.weixin.qq.com/s/y5JGmM-aNaHcs_6P9a-gRQ
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- https://xz.aliyun.com/t/2458
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## 漏洞环境
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执行如下命令,启动weblogic 12.2.1.3:
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```
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docker compose up -d
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```
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环境启动后,访问`http://your-ip:7001/console`,即可看到后台登录页面。
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执行`docker compose logs | grep password`可查看管理员密码,管理员用户名为`weblogic`。
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登录后台页面,点击`base_domain`的配置,在"高级"中开启"启用 Web 服务测试页"选项:
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## 漏洞复现
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访问`http://your-ip:7001/ws_utc/config.do`,设置Work Home Dir为`/u01/oracle/user_projects/domains/base_domain/servers/AdminServer/tmp/_WL_internal/com.oracle.webservices.wls.ws-testclient-app-wls/4mcj4y/war/css`。我将目录设置为`ws_utc`应用的静态文件css目录,访问这个目录是无需权限的,这一点很重要。
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然后点击安全 -> 增加,然后上传webshell:
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上传后,查看返回的数据包,其中有时间戳:
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然后访问`http://your-ip:7001/ws_utc/css/config/keystore/[时间戳]_[文件名]`,即可执行webshell:
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