CVE-2025-5696

6.3 MEDIUM

📋 TL;DR

This critical SQL injection vulnerability in Brilliance Golden Link Secondary System allows remote attackers to execute arbitrary SQL commands by manipulating the 'clientname' parameter in the /storagework/rentChangeCheckInfoPage.htm file. Organizations using this system up to version 20250424 are affected, potentially exposing sensitive database information.

💻 Affected Systems

Products:
  • Brilliance Golden Link Secondary System
Versions: Up to and including 20250424
Operating Systems: Unknown - likely web application platform independent
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the specific file /storagework/rentChangeCheckInfoPage.htm with the clientname parameter.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data exfiltration, modification, or deletion; potential privilege escalation to system-level access.

🟠

Likely Case

Unauthorized data access and extraction of sensitive information from the database.

🟢

If Mitigated

Limited impact with proper input validation and database permissions restricting damage to non-critical data.

🌐 Internet-Facing: HIGH - Attack can be initiated remotely without authentication.
🏢 Internal Only: MEDIUM - Internal attackers could exploit, but external threat is more significant.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit details have been publicly disclosed on GitHub, making exploitation straightforward for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None found in provided references

Restart Required: No

Instructions:

No official patch available. Check vendor website for updates beyond version 20250424.

🔧 Temporary Workarounds

Web Application Firewall (WAF) Rules

all

Implement WAF rules to block SQL injection patterns targeting the clientname parameter

Input Validation Filter

all

Add server-side input validation to sanitize the clientname parameter

🧯 If You Can't Patch

  • Block external access to /storagework/rentChangeCheckInfoPage.htm via network controls
  • Implement database user with minimal necessary permissions to limit potential damage

🔍 How to Verify

Check if Vulnerable:

Check if system version is 20250424 or earlier and if /storagework/rentChangeCheckInfoPage.htm exists with clientname parameter

Check Version:

Check system documentation or admin interface for version information

Verify Fix Applied:

Verify version is newer than 20250424 and test SQL injection attempts are properly blocked

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL queries in database logs
  • Multiple failed login attempts from single IP
  • Requests to /storagework/rentChangeCheckInfoPage.htm with SQL keywords in parameters

Network Indicators:

  • HTTP requests containing SQL injection payloads in clientname parameter
  • Unusual database connection patterns

SIEM Query:

source="web_logs" AND uri="/storagework/rentChangeCheckInfoPage.htm" AND (param="clientname" AND value CONTAINS "' OR" OR value CONTAINS "UNION" OR value CONTAINS "SELECT")

🔗 References

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