CVE-2024-7911
📋 TL;DR
This vulnerability allows remote attackers to perform file inclusion attacks on SourceCodester Simple Online Bidding System 1.0 by manipulating the 'page' parameter in /simple-online-bidding-system/bidding/index.php. This could lead to arbitrary code execution or sensitive file disclosure. Anyone running this specific version of the bidding system is affected.
💻 Affected Systems
- SourceCodester Simple Online Bidding System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Arbitrary file reading leading to credential theft, configuration disclosure, or limited code execution.
If Mitigated
Attack blocked at web application firewall level with no impact.
🎯 Exploit Status
Exploit details publicly available on GitHub. Simple parameter manipulation required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider workarounds or replacing with alternative software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd validation to ensure 'page' parameter only contains allowed values
Modify /simple-online-bidding-system/bidding/index.php to validate page parameter against whitelist
Web Application Firewall Rule
allBlock requests with suspicious file inclusion patterns in page parameter
Add WAF rule: deny if contains '../' or 'php://' in URL parameters
🧯 If You Can't Patch
- Isolate the system behind a reverse proxy with strict input filtering
- Implement network segmentation to limit lateral movement if compromised
🔍 How to Verify
Check if Vulnerable:
Test if accessing /simple-online-bidding-system/bidding/index.php?page=../../../../etc/passwd returns system files
Check Version:
Check application files for version indicators or readme files
Verify Fix Applied:
Verify that file inclusion attempts no longer work and return error pages
📡 Detection & Monitoring
Log Indicators:
- Multiple requests with '../' patterns in page parameter
- Access to unexpected files via web server logs
Network Indicators:
- HTTP requests with directory traversal sequences in parameters
SIEM Query:
web.url:*../* AND web.param:page