CVE-2024-28735
📋 TL;DR
This vulnerability allows authenticated users in Unit4 Financials by Coda to bypass authorization controls and reset passwords for any user account via specially crafted requests. It affects all versions prior to 2023Q4, potentially compromising any organization using vulnerable versions of this financial management software.
💻 Affected Systems
- Unit4 Financials by Coda
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could reset passwords for all user accounts including administrators, take complete control of the financial system, manipulate financial data, and potentially access sensitive financial information.
Likely Case
An authenticated malicious insider or compromised account could escalate privileges, reset passwords for other users including administrators, and gain unauthorized access to sensitive financial functions.
If Mitigated
With proper network segmentation, strong authentication controls, and monitoring, impact would be limited to potential unauthorized password resets that could be detected and reversed.
🎯 Exploit Status
Exploit details are publicly available on Packet Storm Security. Requires authenticated access but the exploit is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2023Q4 or later
Vendor Advisory: https://www.unit4.com/
Restart Required: Yes
Instructions:
1. Upgrade to Unit4 Financials by Coda version 2023Q4 or later. 2. Apply all available patches from Unit4. 3. Restart the application services. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to the Financials application to only trusted IP addresses and networks.
Enhanced Authentication Monitoring
allImplement strict monitoring for password reset activities and alert on suspicious patterns.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the Financials application from untrusted networks
- Enforce multi-factor authentication for all user accounts and monitor for unusual password reset activities
🔍 How to Verify
Check if Vulnerable:
Check the application version in the admin console or configuration files. If version is earlier than 2023Q4, the system is vulnerable.Check Version:
Check application version in admin interface or consult system documentationVerify Fix Applied:
After upgrading to 2023Q4 or later, attempt to reproduce the exploit using the published method. The password reset authorization should be properly enforced.📡 Detection & Monitoring
Log Indicators:
- Multiple password reset requests from single user
- Password reset requests for accounts not belonging to the requesting user
- Unusual patterns in user management logs
Network Indicators:
- HTTP POST requests to password reset endpoints with modified parameters
- Requests bypassing normal authorization flows
SIEM Query:
source="financials_app" AND (event_type="password_reset" AND target_user != requesting_user)🔗 References
- http://financials.com
- http://unit4.com
- https://packetstormsecurity.com/files/177620/Financials-By-Coda-Authorization-Bypass.html
- https://www.unit4.com/
- https://www.unit4.com/products/financial-management-software
- http://financials.com
- http://unit4.com
- https://packetstormsecurity.com/files/177620/Financials-By-Coda-Authorization-Bypass.html
- https://www.unit4.com/
- https://www.unit4.com/products/financial-management-software
