CVE-2024-2577
📋 TL;DR
This CVE describes an authorization bypass vulnerability in SourceCodester Employee Task Management System 1.0. Attackers can manipulate the admin_id parameter in /update-employee.php to perform unauthorized actions, potentially modifying employee data or system settings. Organizations using this specific software version are affected.
💻 Affected Systems
- SourceCodester Employee Task Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to modify all employee records, escalate privileges, or potentially execute arbitrary code through chained vulnerabilities.
Likely Case
Unauthorized modification of employee data, privilege escalation, or data integrity breaches affecting business operations.
If Mitigated
Limited impact with proper access controls, monitoring, and network segmentation preventing exploitation attempts.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Attack requires some level of access but not necessarily authentication to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock or sanitize requests to /update-employee.php containing admin_id parameter manipulation
WAF specific - configure rule to block suspicious admin_id parameter values
Access Restriction
linuxRestrict access to /update-employee.php to authorized IP addresses only
# Apache: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
# Nginx: allow 192.168.1.0/24;
deny all;
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the vulnerable system from untrusted networks
- Enable detailed logging and monitoring for all access to /update-employee.php and review regularly for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Test if unauthorized modification of admin_id parameter in POST requests to /update-employee.php allows access to restricted functions
Check Version:
Check application version in admin panel or readme files. Default installation is version 1.0.
Verify Fix Applied:
Verify that proper authorization checks are implemented and admin_id parameter manipulation no longer bypasses access controls
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /update-employee.php with modified admin_id values
- Multiple failed authorization attempts followed by successful access
Network Indicators:
- HTTP requests to /update-employee.php with suspicious parameter values from unexpected sources
SIEM Query:
source="web_logs" AND uri="/update-employee.php" AND (admin_id!="expected_value" OR admin_id CONTAINS suspicious_pattern)
🔗 References
- https://github.com/skid-nochizplz/skid-nochizplz/blob/main/TrashBin/CVE/SOURCECODESTER%20Employee%20Task%20Management%20System/IDOR%20-%20update-employee.php.md
- https://vuldb.com/?ctiid.257080
- https://vuldb.com/?id.257080
- https://github.com/skid-nochizplz/skid-nochizplz/blob/main/TrashBin/CVE/SOURCECODESTER%20Employee%20Task%20Management%20System/IDOR%20-%20update-employee.php.md
- https://vuldb.com/?ctiid.257080
- https://vuldb.com/?id.257080