CVE-2024-53473
📋 TL;DR
This vulnerability in WeGIA 3.2.0 allows unauthorized users to change passwords without proper permission checks. It affects all installations of WeGIA 3.2.0 before commit 3998672. Attackers can exploit this to compromise user accounts and potentially gain unauthorized access.
💻 Affected Systems
- WeGIA
📦 What is this software?
Wegia by Wegia
⚠️ Risk & Real-World Impact
Worst Case
Attackers could change passwords for any user, including administrators, leading to complete system compromise, data theft, and unauthorized administrative access.
Likely Case
Attackers change passwords for regular users to gain unauthorized access to their accounts, potentially accessing sensitive data or performing unauthorized actions.
If Mitigated
With proper network segmentation and monitoring, impact is limited to password changes that can be detected and rolled back.
🎯 Exploit Status
Exploitation requires some level of access but no special permissions. Public research and proof-of-concept details are available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Commit 3998672f1b86db58eab2808a640903d73b37bd2d or later
Vendor Advisory: https://github.com/nilsonLazarin/WeGIA/commit/3998672f1b86db58eab2808a640903d73b37bd2d
Restart Required: Yes
Instructions:
1. Backup current installation. 2. Update to latest version from GitHub repository. 3. Restart WeGIA service. 4. Verify fix by testing password change functionality.
🔧 Temporary Workarounds
Disable password change functionality
allTemporarily disable password change features until patch can be applied
Modify WeGIA configuration to remove password change endpoints
Implement WAF rules
allBlock requests to password change endpoints at network perimeter
Add WAF rule to block POST requests to /change-password or similar endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach WeGIA
- Enable detailed logging and monitoring of all password change attempts
🔍 How to Verify
Check if Vulnerable:
Check if current WeGIA version is before commit 3998672 by examining version or checking if password changes work without proper authentication
Check Version:
Check WeGIA version in admin panel or examine git commit history
Verify Fix Applied:
Test password change functionality with unauthorized user - should be denied. Verify current commit includes 3998672 or later.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized password change attempts
- Multiple failed password change requests from same IP
- Password changes from unexpected user accounts
Network Indicators:
- POST requests to password change endpoints from unauthorized sources
- Unusual patterns in authentication traffic
SIEM Query:
source="wegia" AND (event="password_change" OR endpoint="/change-password") AND user NOT IN authorized_users
🔗 References
- https://github.com/nilsonLazarin/WeGIA/commit/3998672f1b86db58eab2808a640903d73b37bd2d
- https://github.com/nilsonLazarin/WeGIA/issues/791
- https://github.com/nmmorette/vulnerability-research/blob/main/CVE-2024-53473/README.md
- https://github.com/nmmorette/vulnerability-research/tree/main/CVE-2024-53473
- https://www.wegia.org