CVE-2025-0798
📋 TL;DR
This critical vulnerability in MicroWorld eScan Antivirus allows remote attackers to execute arbitrary operating system commands through command injection in the quarantine handler component. It affects Linux systems running eScan Antivirus version 7.0.32. The vulnerability is remotely exploitable but requires specific conditions to be met.
💻 Affected Systems
- MicroWorld eScan Antivirus
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with root privileges, allowing attackers to install malware, exfiltrate data, or pivot to other systems.
Likely Case
Limited command execution within the antivirus service context, potentially leading to privilege escalation and lateral movement.
If Mitigated
Contained impact with antivirus service running in restricted environment, limiting damage to isolated processes.
🎯 Exploit Status
Exploit details are publicly available but require specific conditions. Attack complexity is rated high by the CVE description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: UNKNOWN
Vendor Advisory: NONE
Restart Required: No
Instructions:
1. Check vendor website for security updates
2. Monitor for official patch release
3. Vendor has not responded to disclosure
🔧 Temporary Workarounds
Disable Quarantine Handler
linuxTemporarily disable the vulnerable rtscanner quarantine handler component
systemctl stop escan-rtscanner
systemctl disable escan-rtscanner
Restrict Network Access
linuxLimit network access to the antivirus management interface
iptables -A INPUT -p tcp --dport [escan-port] -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected systems
- Monitor for suspicious process execution and command injection attempts
🔍 How to Verify
Check if Vulnerable:
Check if eScan Antivirus version 7.0.32 is installed: rpm -qa | grep escanCheck Version:
escan --version | grep 'Version'Verify Fix Applied:
Verify version is updated beyond 7.0.32 or quarantine handler is disabled📡 Detection & Monitoring
Log Indicators:
- Unusual command execution from escan processes
- Failed quarantine operations
- Suspicious process spawning
Network Indicators:
- Unexpected outbound connections from antivirus service
- Command and control traffic
SIEM Query:
process_name:escan AND (cmdline:*sh* OR cmdline:*bash* OR cmdline:*python*)