CVE-2024-31848
📋 TL;DR
This path traversal vulnerability in CData API Server's Java version allows unauthenticated remote attackers to bypass security controls and gain administrative access. It affects all systems running CData API Server versions below 23.4.8844 with the embedded Jetty server configuration.
💻 Affected Systems
- CData API 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
Complete compromise of the CData API Server instance, allowing attackers to execute arbitrary code, access sensitive data, and pivot to other systems.
Likely Case
Unauthenticated attackers gaining administrative privileges to manipulate API endpoints, access backend databases, and potentially execute system commands.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external access to vulnerable instances.
🎯 Exploit Status
The vulnerability requires no authentication and has a straightforward exploitation path based on path traversal techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 23.4.8844
Vendor Advisory: https://www.tenable.com/security/research/tra-2024-09
Restart Required: Yes
Instructions:
1. Download CData API Server version 23.4.8844 or later from official sources. 2. Stop the current API Server instance. 3. Install the updated version. 4. Restart the API Server service.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to CData API Server instances using firewall rules
iptables -A INPUT -p tcp --dport [API_PORT] -s [TRUSTED_IPS] -j ACCEPT
iptables -A INPUT -p tcp --dport [API_PORT] -j DROP
Authentication Enforcement
allConfigure API Server to require authentication for all endpoints
🧯 If You Can't Patch
- Isolate vulnerable systems in a restricted network segment with no internet access
- Implement strict network monitoring and alerting for suspicious access patterns to API endpoints
🔍 How to Verify
Check if Vulnerable:
Check the CData API Server version in the admin interface or configuration files. If version is below 23.4.8844 and using embedded Jetty, the system is vulnerable.Check Version:
Check the server logs or admin interface for version information. No single command available as it depends on deployment.Verify Fix Applied:
Confirm the version is 23.4.8844 or higher in the admin interface and test that path traversal attempts to administrative endpoints are properly blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to administrative endpoints
- Path traversal patterns in request logs
- Unauthenticated requests to sensitive API paths
Network Indicators:
- Unusual spikes in traffic to API Server administrative endpoints
- Requests containing '../' patterns or directory traversal attempts
SIEM Query:
source="api_server.log" AND (uri="*admin*" OR uri="*../*") AND status="200"