CVE-2024-5716
📋 TL;DR
CVE-2024-5716 is an authentication bypass vulnerability in Logsign Unified SecOps Platform that allows remote attackers to reset user passwords without authentication by exploiting excessive authentication attempts in the password reset mechanism. This affects all organizations using vulnerable versions of Logsign Unified SecOps Platform, potentially allowing complete system compromise.
💻 Affected Systems
- Logsign Unified SecOps Platform
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover where attackers gain administrative access, exfiltrate sensitive security data, deploy ransomware, or use the platform as a pivot point into the network.
Likely Case
Attackers gain unauthorized access to the security platform, disable monitoring/alerts, access sensitive log data, and potentially compromise other systems.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring that detects brute force attempts.
🎯 Exploit Status
The vulnerability requires no authentication and involves brute-forcing password reset attempts, making it trivial to exploit with basic scripting.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.4.8
Vendor Advisory: https://support.logsign.net/hc/en-us/articles/19316621924754-03-06-2024-Version-6-4-8-Release-Notes
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Download version 6.4.8 from Logsign support portal. 3. Follow Logsign upgrade documentation for your deployment type. 4. Restart services after upgrade. 5. Verify authentication mechanisms are functioning correctly.
🔧 Temporary Workarounds
Disable Password Reset Functionality
allTemporarily disable the password reset mechanism to prevent exploitation while planning upgrade.
Consult Logsign documentation for disabling password reset in your specific deployment
Network Access Controls
linuxRestrict access to Logsign platform to only trusted IP addresses/networks.
iptables -A INPUT -p tcp --dport [logsign_port] -s [trusted_network] -j ACCEPT
iptables -A INPUT -p tcp --dport [logsign_port] -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Logsign platform from untrusted networks
- Enable detailed logging and monitoring for authentication attempts and alert on excessive password reset requests
🔍 How to Verify
Check if Vulnerable:
Check Logsign version via web interface or command line. Versions below 6.4.8 are vulnerable.Check Version:
Check web interface dashboard or consult Logsign documentation for version check command specific to your deploymentVerify Fix Applied:
After upgrading to 6.4.8, verify version and test password reset functionality with rate limiting enforced.📡 Detection & Monitoring
Log Indicators:
- Excessive failed password reset attempts from single IP
- Successful password reset for privileged accounts from unusual locations
- Authentication logs showing account takeover
Network Indicators:
- High volume of POST requests to password reset endpoints
- Traffic patterns indicating automated brute force attempts
SIEM Query:
source="logsign" AND (event_type="password_reset" AND count > 10) OR (auth_result="success" AND user="admin" AND source_ip NOT IN [trusted_ips])