CVE-2024-8297
📋 TL;DR
This vulnerability in kitsada8621 Digital Library Management System 1.0 allows attackers to inject malicious content into application logs through the Authorization header in JWT refresh token processing. The improper output neutralization can lead to log injection attacks. Anyone running the vulnerable version of this software is affected.
💻 Affected Systems
- kitsada8621 Digital Library Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Log injection could enable log forging, log tampering, or log-based attacks that might facilitate further exploitation through log viewing interfaces or log aggregation systems.
Likely Case
Attackers could inject false log entries to obscure malicious activity, potentially bypassing security monitoring or creating confusion during incident response.
If Mitigated
With proper log sanitization and restricted log access, the impact is limited to potential log corruption without direct system compromise.
🎯 Exploit Status
Exploitation requires sending specially crafted Authorization headers to the JWT refresh endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Commit 81b3336b4c9240f0bf50c13cb8375cf860d945f1
Vendor Advisory: https://github.com/kitsada8621/Digital-Library-Management-System/commit/81b3336b4c9240f0bf50c13cb8375cf860d945f1
Restart Required: Yes
Instructions:
1. Pull the latest code from the repository. 2. Apply commit 81b3336b4c9240f0bf50c13cb8375cf860d945f1. 3. Rebuild and redeploy the application. 4. Restart the service.
🔧 Temporary Workarounds
Disable JWT Refresh Endpoint
allTemporarily disable the JWT refresh token functionality if not required
Modify application configuration to disable /api/refresh endpoint
WAF Rule for Log Injection
allImplement web application firewall rules to detect and block log injection attempts
Add WAF rule to sanitize Authorization headers containing newlines or special characters
🧯 If You Can't Patch
- Implement external log sanitization at the log aggregation layer
- Restrict access to application logs to authorized personnel only
🔍 How to Verify
Check if Vulnerable:
Check if your version includes the vulnerable middleware/jwt_refresh_token_middleware.go file without the patch commitCheck Version:
git log --oneline | grep -i '81b3336b4c9240f0bf50c13cb8375cf860d945f1'Verify Fix Applied:
Verify that commit 81b3336b4c9240f0bf50c13cb8375cf860d945f1 is applied to the codebase📡 Detection & Monitoring
Log Indicators:
- Unusual characters or newlines in Authorization header logs
- Malformed JWT tokens in logs
Network Indicators:
- HTTP requests to /api/refresh with specially crafted Authorization headers
SIEM Query:
source="application.logs" AND "Authorization:" AND ("\n" OR "\r" OR "%0A" OR "%0D")