CVE-2024-37770
📋 TL;DR
CVE-2024-37770 is a critical remote command execution vulnerability in 14Finger v1.1 that allows attackers to execute arbitrary system commands via crafted payloads sent to the fingerprint function. This affects all users running the vulnerable version of 14Finger, potentially leading to complete system compromise.
💻 Affected Systems
- 14Finger
📦 What is this software?
14finger by B1ackc4t
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with administrative privileges, data exfiltration, ransomware deployment, and lateral movement across the network.
Likely Case
Unauthorized command execution leading to data theft, malware installation, or system disruption.
If Mitigated
Limited impact with proper network segmentation, least privilege, and monitoring in place.
🎯 Exploit Status
Multiple public proof-of-concept exploits are available, making this easily weaponizable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
No official patch available. Consider workarounds or discontinuing use of 14Finger v1.1.
🔧 Temporary Workarounds
Disable or Remove 14Finger
linuxCompletely remove or disable the vulnerable 14Finger application
sudo systemctl stop 14finger
sudo apt remove 14finger
sudo yum remove 14finger
Network Isolation
linuxRestrict network access to 14Finger using firewall rules
sudo iptables -A INPUT -p tcp --dport [14Finger_port] -j DROP
sudo ufw deny [14Finger_port]
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected systems
- Deploy application-level firewalls with command injection detection rules
🔍 How to Verify
Check if Vulnerable:
Check if 14Finger v1.1 is installed and running on the systemCheck Version:
14finger --version or check package manager: dpkg -l | grep 14finger or rpm -qa | grep 14fingerVerify Fix Applied:
Verify 14Finger v1.1 is no longer installed or running📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in system logs
- Suspicious process creation from 14Finger
- Unexpected network connections from 14Finger process
Network Indicators:
- Unusual traffic to/from 14Finger port
- Command injection patterns in HTTP requests
SIEM Query:
source="*14finger*" AND (process="cmd.exe" OR process="/bin/bash" OR process="/bin/sh")