CVE-2024-2577

7.3 HIGH

📋 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

Products:
  • SourceCodester Employee Task Management System
Versions: 1.0
Operating Systems: Any (web application)
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation. No special configuration is required for exploitation.

📦 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.

🌐 Internet-Facing: HIGH - The vulnerability can be exploited remotely and public exploit details are available, making internet-facing instances prime targets.
🏢 Internal Only: MEDIUM - Internal attackers or compromised internal systems could exploit this, but requires network access to the vulnerable system.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Block 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

linux

Restrict 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

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