CVE-2024-52975
📋 TL;DR
Fleet Server logs sensitive information from Fleet policies at INFO and ERROR log levels, potentially exposing credentials, API keys, or other confidential data. This affects all Elastic Fleet Server deployments with vulnerable versions where integrations containing sensitive data are configured.
💻 Affected Systems
- Elastic Fleet Server
⚠️ 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 gain access to log files containing credentials, API keys, or other sensitive data, leading to complete system compromise, data exfiltration, or lateral movement within the environment.
Likely Case
Unauthorized users with access to log files can extract sensitive information like API keys or configuration secrets, potentially enabling further attacks against integrated systems.
If Mitigated
With proper log access controls and monitoring, exposure is limited, but the vulnerability still creates unnecessary risk surface.
🎯 Exploit Status
Exploitation requires access to log files, which typically means some level of system access or log aggregation system compromise.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.15.0
Vendor Advisory: https://discuss.elastic.co/t/fleet-server-8-15-0-security-update-esa-2024-31/373522
Restart Required: Yes
Instructions:
1. Upgrade Fleet Server to version 8.15.0 or later. 2. Restart the Fleet Server service. 3. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Restrict Log File Access
linuxImplement strict file permissions on Fleet Server log directories to prevent unauthorized access.
chmod 640 /var/log/fleet-server/*
chown root:fleet /var/log/fleet-server/*
Configure Log Redaction
allImplement log filtering or redaction at the log aggregation layer to mask sensitive patterns.
🧯 If You Can't Patch
- Implement strict access controls on log storage and monitoring systems
- Regularly audit and rotate any credentials or API keys that may have been exposed in logs
🔍 How to Verify
Check if Vulnerable:
Check Fleet Server version: if below 8.15.0, system is vulnerable.Check Version:
fleet-server --versionVerify Fix Applied:
Confirm Fleet Server version is 8.15.0 or higher and check logs no longer contain sensitive policy information.📡 Detection & Monitoring
Log Indicators:
- Fleet Server logs containing policy configuration with sensitive fields like passwords, tokens, or API keys
Network Indicators:
- Unauthorized access attempts to log storage systems
SIEM Query:
source="fleet-server.log" AND ("password" OR "token" OR "api_key" OR "secret")