CVE-2024-41601
📋 TL;DR
This CVE describes an insecure permissions vulnerability in lin-CMS v0.2.0 and earlier that allows remote attackers to access sensitive information through the login method in UserController.java. The vulnerability affects all deployments using vulnerable versions of lin-CMS, potentially exposing user credentials or other authentication-related data.
💻 Affected Systems
- lin-CMS
⚠️ 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 could obtain administrative credentials, leading to complete system compromise, data exfiltration, or lateral movement within the network.
Likely Case
Attackers gain access to user authentication data, potentially allowing account takeover, privilege escalation, or access to sensitive user information.
If Mitigated
With proper network segmentation and access controls, impact is limited to the affected application instance without lateral movement capabilities.
🎯 Exploit Status
The vulnerability is in a core authentication component and requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v0.2.1 or later
Vendor Advisory: https://github.com/topsky979/Security-Collections/tree/main/CVE-2024-41601
Restart Required: Yes
Instructions:
1. Backup current installation. 2. Update lin-CMS to v0.2.1 or later. 3. Restart the application server. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to the lin-CMS application to trusted IP addresses only
iptables -A INPUT -p tcp --dport [PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [PORT] -j DROP
Authentication Proxy
allPlace a reverse proxy with additional authentication in front of the vulnerable application
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the vulnerable system
- Deploy a web application firewall (WAF) with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check the lin-CMS version in the application configuration or by examining the UserController.java file for insecure permissions in the login methodCheck Version:
Check the application's version file or configuration settingsVerify Fix Applied:
Verify the application version is v0.2.1 or later and that the UserController.java login method has proper permission checks📡 Detection & Monitoring
Log Indicators:
- Unusual authentication attempts
- Multiple failed login attempts from single IP
- Access to sensitive endpoints without proper authentication
Network Indicators:
- Unusual traffic patterns to authentication endpoints
- Requests bypassing normal authentication flow
SIEM Query:
source="lin-cms" AND (event="authentication_failure" OR event="sensitive_data_access")