CVE-2024-9950
📋 TL;DR
An unauthenticated attacker can modify compliance scripts in Forescout SecureConnector v11.3.07.0109 on Windows due to insecure temporary directory permissions. This affects organizations using this specific version of Forescout SecureConnector on Windows systems.
💻 Affected Systems
- Forescout SecureConnector
📦 What is this software?
Secureconnector by Forescout
⚠️ Risk & Real-World Impact
Worst Case
An attacker could modify compliance scripts to execute arbitrary code with system privileges, potentially leading to full system compromise and lateral movement within the network.
Likely Case
Attackers modify compliance scripts to bypass security controls, gather sensitive information, or maintain persistence in the environment.
If Mitigated
With proper access controls and monitoring, unauthorized script modifications would be detected and prevented before causing significant damage.
🎯 Exploit Status
Exploitation requires local access to the system and knowledge of the temporary directory structure. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for latest patched version
Vendor Advisory: https://support.forescout.com/
Restart Required: No
Instructions:
1. Visit https://support.forescout.com/ 2. Download latest SecureConnector version 3. Install update following vendor instructions 4. Verify installation completed successfully
🔧 Temporary Workarounds
Restrict temporary directory permissions
WindowsModify permissions on the SecureConnector temporary directory to prevent unauthorized write access
icacls "C:\Program Files\Forescout SecureConnector\temp" /deny Everyone:(OI)(CI)W
🧯 If You Can't Patch
- Implement strict access controls on systems running SecureConnector
- Monitor temporary directory for unauthorized file modifications
🔍 How to Verify
Check if Vulnerable:
Check SecureConnector version in Control Panel > Programs and Features or via command: wmic product where name="Forescout SecureConnector" get versionCheck Version:
wmic product where name="Forescout SecureConnector" get versionVerify Fix Applied:
Verify version is updated beyond v11.3.07.0109 and test temporary directory permissions📡 Detection & Monitoring
Log Indicators:
- Unexpected modifications to compliance script files
- Unauthorized access attempts to SecureConnector directories
Network Indicators:
- Unusual network traffic from SecureConnector systems
- Unexpected compliance check failures
SIEM Query:
source="windows_security" AND event_id=4663 AND object_name="*SecureConnector*" AND access_mask=0x2