CVE-2024-8584
📋 TL;DR
Orca HCM from LEARNING DIGITAL has a critical missing authentication vulnerability that allows unauthenticated remote attackers to create administrator accounts and gain full system access. This affects all organizations using vulnerable versions of Orca HCM software. Attackers can completely compromise the HCM system without any credentials.
💻 Affected Systems
- Orca HCM from LEARNING DIGITAL
📦 What is this software?
Orca Hcm by Learningdigital
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with administrative privileges, allowing data theft, system destruction, ransomware deployment, and lateral movement to connected systems.
Likely Case
Attackers create backdoor admin accounts, steal sensitive HR and employee data, modify payroll information, and maintain persistent access.
If Mitigated
With proper network segmentation and authentication controls, impact limited to isolated HCM system but still significant data breach.
🎯 Exploit Status
CVSS 9.8 indicates trivial exploitation. No authentication required makes this highly weaponizable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references - check vendor advisory
Vendor Advisory: https://www.twcert.org.tw/en/cp-139-8040-948ef-2.html
Restart Required: Yes
Instructions:
1. Contact LEARNING DIGITAL for patching instructions. 2. Apply the security update provided by the vendor. 3. Restart the Orca HCM service. 4. Verify authentication is properly enforced.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to Orca HCM to trusted IP addresses only
iptables -A INPUT -p tcp --dport [ORCA_PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [ORCA_PORT] -j DROP
Web Application Firewall
allDeploy WAF rules to block unauthenticated account creation requests
🧯 If You Can't Patch
- Isolate Orca HCM system in separate network segment with strict firewall rules
- Implement multi-factor authentication and monitor for suspicious account creation
🔍 How to Verify
Check if Vulnerable:
Attempt to create an administrator account without authentication via the affected endpointCheck Version:
Check Orca HCM admin interface or contact vendor for version informationVerify Fix Applied:
Verify authentication is required for all account creation and privilege assignment functions📡 Detection & Monitoring
Log Indicators:
- Unauthenticated account creation events
- Administrator account creation from unknown IPs
- Multiple failed authentication attempts followed by successful admin creation
Network Indicators:
- HTTP POST requests to account creation endpoints without authentication headers
- Traffic from unexpected sources to administrative interfaces
SIEM Query:
source="orca_hcm" AND (event_type="account_creation" AND user="anonymous") OR (privilege="admin" AND auth_method="none")