CVE-2025-63739

4.3 MEDIUM

📋 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

Products:
  • Xinhu Rainrock RockOA
Versions: 2.7.0
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to the web interface. The vulnerable function phpinisaveAction is in webmain/system/cogini/coginiAction.php.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Modify 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

linux

Set 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"

🔗 References

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