CVE-2021-41262
📋 TL;DR
Galette membership management web application versions before 0.9.6 contain a SQL injection vulnerability that allows authenticated users with 'member' privileges to execute arbitrary SQL commands. This could lead to unauthorized data access, modification, or deletion. Organizations using Galette for non-profit membership management are affected.
💻 Affected Systems
- Galette
📦 What is this software?
Galette by Galette
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including exfiltration of sensitive member data, privilege escalation to administrative access, and potential remote code execution on the database server.
Likely Case
Unauthorized access to member data, modification of membership records, and potential privilege escalation within the Galette application.
If Mitigated
Limited impact if proper network segmentation, database permissions, and monitoring are in place, though SQL injection remains a serious risk.
🎯 Exploit Status
SQL injection vulnerabilities are typically easy to exploit once identified. Requires authenticated access with member privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.6
Vendor Advisory: https://github.com/galette/galette/security/advisories/GHSA-936f-xvgq-fg74
Restart Required: Yes
Instructions:
1. Backup your Galette database and configuration. 2. Download Galette 0.9.6 or later from the official repository. 3. Replace existing Galette files with the new version. 4. Restart your web server. 5. Verify the application functions correctly.
🔧 Temporary Workarounds
No known workarounds
allThe vendor advisory states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Restrict network access to Galette application to trusted users only
- Implement web application firewall (WAF) rules to detect and block SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Check Galette version in the application interface or by examining the source code files. Versions before 0.9.6 are vulnerable.
Check Version:
Check the Galette admin panel or examine the application's version.php file if available.
Verify Fix Applied:
Verify the application version shows 0.9.6 or later in the admin interface or by checking the version file.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by SQL-like payloads in web server logs
- Unexpected database errors in application logs
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, INSERT, etc.) in parameters
- Unusual database connection patterns from the web server
SIEM Query:
source="web_server" AND (url="*SELECT*" OR url="*UNION*" OR url="*INSERT*" OR url="*DELETE*") AND user_agent="*Galette*"
🔗 References
- https://github.com/galette/galette/commit/8e940641b5ed46c3f471332827df388ea00a85d3
- https://github.com/galette/galette/security/advisories/GHSA-936f-xvgq-fg74
- https://github.com/galette/galette/commit/8e940641b5ed46c3f471332827df388ea00a85d3
- https://github.com/galette/galette/security/advisories/GHSA-936f-xvgq-fg74