CVE-2024-39967
📋 TL;DR
CVE-2024-39967 is an insecure permissions vulnerability in Aginode GigaSwitch v5 that allows attackers to access sensitive information via SCP commands. This affects organizations using vulnerable versions of Aginode GigaSwitch v5 network switching software.
💻 Affected Systems
- Aginode GigaSwitch
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could exfiltrate sensitive configuration files, credentials, or network topology data, potentially leading to full network compromise.
Likely Case
Unauthorized access to configuration files containing network settings, passwords, or other sensitive operational data.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external SCP access.
🎯 Exploit Status
Exploitation requires SCP access but leverages insecure file permissions rather than authentication bypass.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Verify file permissions are corrected.
🔧 Temporary Workarounds
Restrict SCP Access
linuxLimit SCP access to trusted IP addresses only using firewall rules.
iptables -A INPUT -p tcp --dport 22 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -j DROP
Fix File Permissions
linuxSet proper permissions on sensitive directories to prevent unauthorized SCP access.
chmod 700 /path/to/sensitive/directories
chown root:root /path/to/sensitive/directories
🧯 If You Can't Patch
- Implement strict network segmentation to isolate GigaSwitch systems from untrusted networks.
- Disable SCP service if not required for operations and use alternative secure file transfer methods.
🔍 How to Verify
Check if Vulnerable:
Check if SCP service is accessible and test if sensitive files can be accessed via SCP without proper authorization.
Check Version:
Check device web interface or CLI for version information (specific command varies by deployment).
Verify Fix Applied:
Verify that SCP access to sensitive directories is properly restricted and file permissions are corrected.
📡 Detection & Monitoring
Log Indicators:
- Unusual SCP connections from unauthorized IP addresses
- Failed SCP authentication attempts followed by successful transfers
Network Indicators:
- SCP traffic to GigaSwitch systems from unexpected sources
- Large data transfers via SCP protocol
SIEM Query:
source_port=22 AND (protocol="SCP" OR application="SCP") AND destination_ip=GIGASWITCH_IP AND bytes_transferred>1000000