CVE-2024-55494
📋 TL;DR
This vulnerability allows attackers to inject malicious PHP code through the op_func parameter in Opencode Mobile Collect Call v5.4.7, potentially leading to remote code execution or cross-site scripting attacks. Any organization using this specific version of the software is affected.
💻 Affected Systems
- Opencode Mobile Collect Call
⚠️ 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
Complete system compromise through remote code execution, allowing attackers to execute arbitrary commands, steal data, install malware, or pivot to other systems.
Likely Case
Cross-site scripting attacks leading to session hijacking, credential theft, or defacement of the application interface.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though the vulnerability still exists.
🎯 Exploit Status
The vulnerability is in a publicly accessible endpoint with no authentication required, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation for the op_func parameter to reject malicious payloads.
Modify /occontrolpanel/index.php to validate op_func input using regex or whitelist allowed values.
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block requests containing suspicious patterns in the op_func parameter.
Add WAF rule: Block requests where op_func contains PHP code patterns like <?php, eval(), system(), etc.
🧯 If You Can't Patch
- Restrict access to /occontrolpanel/index.php using network ACLs or authentication.
- Monitor logs for unusual activity targeting the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Test by sending a crafted payload to /occontrolpanel/index.php?op_func=malicious_code and observe if it executes.Check Version:
Check the software version in the application interface or configuration files.Verify Fix Applied:
After applying workarounds, retest with the same payload to ensure it is blocked or sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /occontrolpanel/index.php with op_func parameter containing PHP code or script tags.
Network Indicators:
- HTTP requests with op_func parameter exceeding normal length or containing suspicious patterns.
SIEM Query:
source="web_logs" AND uri="/occontrolpanel/index.php" AND query_string="*op_func=*" AND (query_string="*<?php*" OR query_string="*eval(*" OR query_string="*system(*")