CVE-2025-63739
📋 TL;DR
This vulnerability allows authenticated users in Xinhu Rainrock RockOA 2.7.0 to modify PHP configuration files through a specific endpoint. Attackers could alter PHP settings to weaken security controls or enable other attacks. Only users with valid authentication credentials can exploit this issue.
💻 Affected Systems
- Xinhu Rainrock RockOA
📦 What is this software?
Rockoa by Rockoa
⚠️ Risk & Real-World Impact
Worst Case
An attacker could modify PHP configuration to disable security features, enable dangerous functions, or potentially achieve remote code execution by altering PHP settings.
Likely Case
Attackers with valid credentials could modify PHP configuration to weaken security, enable logging bypass, or prepare the system for further exploitation.
If Mitigated
With proper access controls and file permission restrictions, impact is limited to configuration changes that don't directly compromise the system.
🎯 Exploit Status
Exploitation requires authenticated access. The vulnerability is in the phpinisaveAction function that processes the 'a' parameter via index.php.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://github.com/rainrocka/xinhu/issues/12
Restart Required: No
Instructions:
1. Monitor the GitHub issue for official patches. 2. Review the vulnerable code in coginiAction.php. 3. Implement input validation and access controls for configuration modification functions.
🔧 Temporary Workarounds
Restrict access to configuration functions
allModify the application to restrict access to configuration modification functions to administrators only.
# Review and modify access controls in coginiAction.php
# Add authentication checks for phpinisaveAction function
File permission hardening
linuxSet restrictive permissions on PHP configuration files to prevent modification.
chmod 644 php.ini
chown root:root php.ini
🧯 If You Can't Patch
- Implement strict access controls and monitor for unauthorized configuration changes.
- Restrict network access to the RockOA interface and implement multi-factor authentication.
🔍 How to Verify
Check if Vulnerable:
Check if running RockOA version 2.7.0 and review the coginiAction.php file for the phpinisaveAction function.
Check Version:
Check application version in admin interface or review version files in installation directory.
Verify Fix Applied:
Test authenticated access to configuration modification functions and verify proper input validation is implemented.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to index.php with 'a' parameter
- Modifications to PHP configuration files
- Authentication logs showing access to admin functions
Network Indicators:
- POST requests to index.php with phpinisaveAction parameters
- Unusual configuration change requests
SIEM Query:
source="web_logs" AND uri="/index.php" AND params CONTAINS "phpinisaveAction"