CVE-2024-8779
📋 TL;DR
CVE-2024-8779 is an improper access control vulnerability in OMFLOW software from The SYSCOM Group that allows authenticated users with regular privileges to modify system settings and create administrator accounts. This vulnerability enables privilege escalation to full server control. Organizations using vulnerable OMFLOW versions are affected.
💻 Affected Systems
- OMFLOW
📦 What is this software?
Omflow by Syscomgo
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the OMFLOW server, allowing attackers to create persistent admin accounts, modify all system settings, access sensitive data, and potentially pivot to other systems.
Likely Case
Privilege escalation leading to unauthorized administrative access, system configuration changes, and potential data exfiltration or further network compromise.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are implemented, though the vulnerability still exists.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained. No special tools or advanced techniques needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024.10.15
Vendor Advisory: https://www.twcert.org.tw/en/cp-139-8076-6ade0-2.html
Restart Required: Yes
Instructions:
1. Download OMFLOW version 2024.10.15 or later from official vendor sources. 2. Backup current configuration and data. 3. Stop OMFLOW service. 4. Install the updated version. 5. Restart OMFLOW service. 6. Verify functionality.
🔧 Temporary Workarounds
Restrict Access to OMFLOW Interface
allLimit network access to OMFLOW administration interface to only trusted IP addresses or networks.
Implement Strong Authentication Controls
allEnforce multi-factor authentication and strong password policies for all OMFLOW user accounts.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate OMFLOW from critical systems
- Enable detailed logging and monitoring for privilege escalation attempts and system setting changes
🔍 How to Verify
Check if Vulnerable:
Check OMFLOW version via web interface or configuration files. If version is earlier than 2024.10.15, system is vulnerable.Check Version:
Check OMFLOW web interface dashboard or configuration files for version information.Verify Fix Applied:
Verify OMFLOW version is 2024.10.15 or later. Test that regular users cannot access system settings modification functionality.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to system settings endpoints
- Creation of new administrator accounts by non-admin users
- Modification of user privileges or system configurations
Network Indicators:
- Unusual HTTP POST requests to system settings APIs from non-admin accounts
- Multiple failed login attempts followed by successful privilege escalation
SIEM Query:
source="omflow" AND (event_type="user_creation" OR event_type="settings_modification") AND user_role!="admin"