CVE-2025-1369
📋 TL;DR
This critical vulnerability in MicroWord eScan Antivirus 7.0.32 on Linux allows local attackers to execute arbitrary operating system commands through the USB Password Handler component. The vulnerability requires local access to the system and successful exploitation could lead to complete system compromise. Only Linux systems running the specific antivirus version are affected.
💻 Affected Systems
- MicroWord eScan Antivirus
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with root privileges, allowing installation of persistent malware, data theft, and lateral movement within the network.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive files and system resources by authenticated users with limited privileges.
If Mitigated
Limited impact due to proper access controls, network segmentation, and monitoring that would detect unusual command execution patterns.
🎯 Exploit Status
Exploit has been publicly disclosed but requires local access and specific conditions. The vendor has not responded to disclosure attempts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Disable USB Password Handler
linuxDisable the vulnerable USB Password Handler component to prevent exploitation
sudo systemctl stop escan-usb-protection
sudo systemctl disable escan-usb-protection
Remove or Replace Antivirus
linuxUninstall the vulnerable eScan Antivirus version and replace with alternative security software
sudo apt remove escan-antivirus
sudo yum remove escan-antivirus
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges and prevent unauthorized local access
- Deploy endpoint detection and response (EDR) solutions to monitor for command injection attempts and unusual process execution
🔍 How to Verify
Check if Vulnerable:
Check if eScan Antivirus version 7.0.32 is installed: rpm -qa | grep escan or dpkg -l | grep escanCheck Version:
escan --version or check package manager: rpm -qi escan-antivirusVerify Fix Applied:
Verify the USB Password Handler service is disabled: systemctl status escan-usb-protection📡 Detection & Monitoring
Log Indicators:
- Unusual command execution from eScan processes
- Suspicious system commands originating from antivirus context
- Failed privilege escalation attempts
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
process.name:eScan AND (cmdline:*bash* OR cmdline:*sh* OR cmdline:*sudo*)