CVE-2024-29466
📋 TL;DR
A directory traversal vulnerability in lsgwr spring boot online exam version 0.9 allows attackers to read arbitrary files and potentially execute arbitrary code via the FileTransUtil.java component. This affects all systems running the vulnerable version of this online exam software. Attackers can exploit this to compromise the server and access sensitive data.
💻 Affected Systems
- lsgwr spring boot online exam
⚠️ 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 server compromise leading to data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
Likely Case
Unauthorized file access including configuration files, credentials, and sensitive exam data, potentially leading to data breach.
If Mitigated
Limited impact with proper network segmentation, file system permissions, and monitoring in place.
🎯 Exploit Status
Public proof-of-concept code exists in the referenced GitHub gist. Directory traversal vulnerabilities are typically easy to exploit with basic HTTP requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check for updated version from the software vendor. 2. If no patch available, implement workarounds. 3. Consider replacing with alternative software if maintenance is abandoned.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd input validation to reject directory traversal sequences in file paths
Implement path normalization and validation in FileTransUtil.java
Web Application Firewall Rules
allBlock requests containing directory traversal patterns
Add WAF rules to block ../, ..\, and similar traversal patterns
🧯 If You Can't Patch
- Isolate the vulnerable system behind a reverse proxy with strict input validation
- Implement network segmentation to limit potential lateral movement if compromised
🔍 How to Verify
Check if Vulnerable:
Check if running lsgwr spring boot online exam version 0.9. Test by attempting to access files outside web root using ../ sequences in file parameters.Check Version:
Check application version in pom.xml or application properties filesVerify Fix Applied:
Test that directory traversal attempts are blocked and return appropriate error responses.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing ../ or ..\ patterns
- File access errors for paths outside expected directories
- Unusual file read operations
Network Indicators:
- HTTP requests with encoded traversal sequences (%2e%2e%2f)
- Multiple failed file access attempts
SIEM Query:
source="web_server" AND (uri="*../*" OR uri="*..\\*" OR uri="*%2e%2e%2f*")