CVE-2023-0963
📋 TL;DR
This vulnerability in SourceCodester Music Gallery Site 1.0 allows attackers to bypass access controls via the Users.php file's POST request handler. Attackers can potentially perform unauthorized actions remotely. Anyone using this specific version of the software is affected.
💻 Affected Systems
- SourceCodester Music Gallery Site
📦 What is this software?
Music Gallery Site by Music Gallery Site Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers could gain administrative privileges, modify user data, delete content, or take full control of the application.
Likely Case
Unauthorized access to user management functions, potentially allowing privilege escalation or data manipulation.
If Mitigated
Proper access controls would prevent any unauthorized actions, limiting impact to legitimate users only.
🎯 Exploit Status
Exploit details are publicly available on GitHub. The vulnerability is in access control logic, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check vendor website for updates. 2. If no patch, implement workarounds. 3. Consider replacing with alternative software.
🔧 Temporary Workarounds
Implement Proper Access Controls
allManually add authentication and authorization checks to Users.php POST handlers
Edit Users.php to include session validation and role checks before processing requests
Web Application Firewall Rules
allBlock suspicious POST requests to Users.php
WAF rule: Block POST requests to */Users.php without valid session tokens
🧯 If You Can't Patch
- Remove or restrict access to the Music Gallery Site application
- Implement network segmentation to isolate the vulnerable system
🔍 How to Verify
Check if Vulnerable:
Test if unauthorized POST requests to Users.php endpoints succeed without proper authenticationCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that unauthorized POST requests to Users.php are properly rejected with authentication errors📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful POST to Users.php
- Unusual user privilege changes
Network Indicators:
- POST requests to Users.php from unexpected IP addresses
- Unusual traffic patterns to user management endpoints
SIEM Query:
source="web_logs" AND uri="/Users.php" AND method="POST" AND (user="anonymous" OR auth_status="failed")🔗 References
- https://github.com/navaidzansari/CVE_Demo/blob/main/2023/Music%20Gallery%20Site%20-%20Broken%20Access%20Control.md
- https://vuldb.com/?ctiid.221633
- https://vuldb.com/?id.221633
- https://github.com/navaidzansari/CVE_Demo/blob/main/2023/Music%20Gallery%20Site%20-%20Broken%20Access%20Control.md
- https://vuldb.com/?ctiid.221633
- https://vuldb.com/?id.221633
