CVE-2025-7096
📋 TL;DR
A critical vulnerability in Comodo Internet Security Premium allows remote attackers to bypass integrity checks via manipulation of the cis_update_x64.xml manifest file. This could enable arbitrary code execution or system compromise. All users running the affected version are vulnerable.
💻 Affected Systems
- Comodo Internet Security Premium
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Malicious update installation allowing persistence, privilege escalation, or backdoor installation.
If Mitigated
Limited impact if proper network segmentation and application whitelisting prevent unauthorized updates.
🎯 Exploit Status
Exploit has been publicly disclosed but requires specific conditions and technical knowledge to execute successfully.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available - vendor did not respond to disclosure.
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a different security solution or version if vendor releases fix.
🔧 Temporary Workarounds
Block Manifest File Access
windowsRestrict access to the vulnerable XML file using file system permissions or application control.
icacls "C:\Program Files\COMODO\CIS\cis_update_x64.xml" /deny Everyone:(R,W,X)
Take ownership and set restrictive permissions on the file location
Network Segmentation
windowsIsolate affected systems from untrusted networks and implement strict outbound firewall rules.
New-NetFirewallRule -DisplayName "Block Comodo Updates" -Direction Outbound -Program "C:\Program Files\COMODO\CIS\cistray.exe" -Action Block
🧯 If You Can't Patch
- Uninstall Comodo Internet Security Premium 12.3.4.8162 and replace with alternative security solution
- Implement strict network monitoring for unusual update requests or file modifications in Comodo directories
🔍 How to Verify
Check if Vulnerable:
Check installed version via Control Panel > Programs > Comodo Internet Security Premium. Verify if version is 12.3.4.8162.Check Version:
wmic product where "name like 'Comodo%'" get versionVerify Fix Applied:
No official fix available to verify. Monitor for vendor updates or version changes.📡 Detection & Monitoring
Log Indicators:
- Unusual file modifications to cis_update_x64.xml
- Failed integrity check events in Comodo logs
- Unexpected update processes from Comodo directories
Network Indicators:
- Unusual outbound connections from Comodo processes to non-standard update servers
- HTTP/HTTPS requests for manifest files from unexpected sources
SIEM Query:
source="*comodo*" AND (event_type="file_modification" AND file_path="*cis_update_x64.xml*") OR (process_name="cistray.exe" AND dest_ip NOT IN [comodo_update_servers])