CVE-2024-22084
📋 TL;DR
CVE-2024-22084 exposes cleartext passwords and password hashes in log files of Elspec G5 digital fault recorders. This allows attackers to read sensitive authentication data without exploiting any software vulnerability. Organizations using Elspec G5 versions 1.1.4.15 and earlier are affected.
💻 Affected Systems
- Elspec G5 digital fault recorder
📦 What is this software?
G5dfr Firmware by Elspec Ltd
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to the fault recorder, potentially manipulating power grid monitoring data or using the device as an initial foothold into industrial control networks.
Likely Case
Attackers harvest credentials to access the device's web interface or management functions, potentially disrupting monitoring capabilities or extracting sensitive operational data.
If Mitigated
With proper network segmentation and access controls, attackers cannot reach the log files even if credentials are exposed.
🎯 Exploit Status
Exploitation requires access to log files, which may be accessible via web interface, file transfer protocols, or physical access. No special tools needed - just reading log files.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Contact vendor for patched version
Vendor Advisory: https://www.elspec-ltd.com/support/security-advisories/
Restart Required: Yes
Instructions:
1. Contact Elspec support for patched firmware version. 2. Backup current configuration. 3. Apply firmware update following vendor instructions. 4. Verify logging no longer contains sensitive credentials. 5. Change all passwords after patching.
🔧 Temporary Workarounds
Restrict log file access
allConfigure file permissions and network access controls to prevent unauthorized access to log files
Disable unnecessary logging
allReduce logging verbosity or disable logging of authentication events if not required for compliance
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Elspec G5 devices from untrusted networks
- Implement credential rotation policy and change all passwords immediately, then monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check log files for cleartext passwords or password hashes. Review web interface or file system for accessible log files containing authentication data.Check Version:
Check device web interface or console for firmware version informationVerify Fix Applied:
Verify patched version is installed and test that log files no longer contain passwords or hashes. Attempt to access log files with unauthorized credentials should fail.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access to log files
- Multiple failed login attempts followed by successful login with previously exposed credentials
- Log file download attempts
Network Indicators:
- Unusual file transfer activity to/from Elspec G5 devices
- Access attempts from unexpected IP addresses
SIEM Query:
source="elspec_g5" AND (event="log_access" OR event="file_download") AND user NOT IN [authorized_users]