CVE-2023-26280
📋 TL;DR
This vulnerability allows authenticated users in IBM Jazz Foundation to modify dashboards they shouldn't have access to by sending specially crafted HTTP requests. It affects IBM Jazz Foundation versions 7.0.2 and 7.0.3, potentially allowing unauthorized dashboard modifications.
💻 Affected Systems
- IBM Jazz Foundation
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An authenticated attacker could modify critical dashboards used by administrators or other users, potentially disrupting operations or hiding malicious activity.
Likely Case
Users with legitimate access could accidentally or intentionally modify dashboards beyond their intended permissions, causing confusion or minor operational issues.
If Mitigated
With proper access controls and monitoring, impact is limited to minor dashboard modifications that can be quickly detected and reverted.
🎯 Exploit Status
Exploitation requires authenticated access and knowledge of HTTP request crafting
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply interim fix or upgrade to version 7.0.4 or later
Vendor Advisory: https://www.ibm.com/support/pages/node/7176207
Restart Required: Yes
Instructions:
1. Download the interim fix from IBM Fix Central
2. Stop the Jazz application server
3. Apply the fix according to IBM instructions
4. Restart the application server
5. Verify the fix is applied
🔧 Temporary Workarounds
Restrict dashboard modification permissions
allReview and tighten dashboard access controls to limit who can modify dashboards
Implement request validation
allAdd web application firewall rules to validate HTTP requests for dashboard modifications
🧯 If You Can't Patch
- Implement strict access controls and principle of least privilege for dashboard modifications
- Enable detailed logging of all dashboard modification attempts and monitor for unauthorized changes
🔍 How to Verify
Check if Vulnerable:
Check Jazz Foundation version via administrative console or by examining installation filesCheck Version:
Check Jazz server logs or administrative interface for version informationVerify Fix Applied:
Verify version is 7.0.4 or later, or check that interim fix is applied via fix management console📡 Detection & Monitoring
Log Indicators:
- Unusual dashboard modification requests
- HTTP requests with crafted parameters targeting dashboard endpoints
- User accounts modifying dashboards outside their normal patterns
Network Indicators:
- HTTP POST/PUT requests to dashboard modification endpoints with unusual parameters
SIEM Query:
source="jazz_logs" AND (event="dashboard_modify" AND user NOT IN authorized_users)