CVE-2025-47817
📋 TL;DR
BlueWave Checkmate versions through 2.0.2 before commit b387eba contain an authorization vulnerability where profile edit requests can include a role parameter, allowing privilege escalation. This affects all users of vulnerable Checkmate installations. Attackers can exploit this to gain unauthorized administrative access.
💻 Affected Systems
- BlueWave Checkmate
⚠️ 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
Full system compromise through privilege escalation to administrative roles, enabling data theft, configuration changes, and further attacks.
Likely Case
Unauthorized privilege escalation allowing attackers to modify user roles, access sensitive data, and perform administrative actions.
If Mitigated
Limited impact with proper role-based access controls and input validation in place.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Commit b387eba or later
Vendor Advisory: https://github.com/bluewave-labs/Checkmate/security/advisories/GHSA-rq7r-p9cq-5q4f
Restart Required: Yes
Instructions:
1. Update to Checkmate version with commit b387eba or later. 2. Restart the Checkmate service. 3. Verify the fix is applied.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to reject profile edit requests containing role parameters
Implement input validation in profile edit endpoint to strip or reject 'role' parameter
🧯 If You Can't Patch
- Implement strict role-based access controls to limit administrative functions
- Monitor for unusual privilege escalation attempts in audit logs
🔍 How to Verify
Check if Vulnerable:
Check if Checkmate version is 2.0.2 or earlier and commit hash is before b387ebaCheck Version:
Check Checkmate version configuration or git log for commit historyVerify Fix Applied:
Verify current commit includes b387eba and test that profile edit requests with role parameters are rejected📡 Detection & Monitoring
Log Indicators:
- Unusual profile edit requests containing role parameters
- Sudden privilege changes for users
Network Indicators:
- HTTP POST requests to profile endpoints with role parameters
SIEM Query:
source="checkmate" AND (http_method="POST" AND uri="/profile/edit" AND parameters CONTAINS "role")