CVE-2024-52891
📋 TL;DR
This vulnerability in IBM Concert Software allows authenticated users to inject malicious content into log files or extract sensitive information from them due to improper log neutralization. It affects versions 1.0.0 through 1.0.3 of the software. Attackers must have valid credentials to exploit this issue.
💻 Affected Systems
- IBM Concert Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An authenticated attacker could inject malicious scripts into log files that execute when viewed by administrators, potentially leading to privilege escalation, data exfiltration, or lateral movement within the network.
Likely Case
An authenticated user could inject false information into logs to cover tracks or mislead investigations, or extract sensitive information from log files that shouldn't be accessible.
If Mitigated
With proper log viewing restrictions and monitoring, the impact is limited to log manipulation within the scope of the authenticated user's permissions.
🎯 Exploit Status
Exploitation requires authenticated access. The vulnerability is in log handling, making exploitation straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fix as described in IBM Security Bulletin
Vendor Advisory: https://www.ibm.com/support/pages/node/7180303
Restart Required: Yes
Instructions:
1. Review IBM Security Bulletin. 2. Apply the recommended fix from IBM. 3. Restart IBM Concert Software services. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Restrict Log Access
allLimit access to log files and log viewing interfaces to only authorized administrators
Implement Log Monitoring
allDeploy log monitoring solutions to detect unusual log injection patterns
🧯 If You Can't Patch
- Implement strict access controls to limit who can view and interact with log files
- Deploy additional monitoring for log file access and modifications
🔍 How to Verify
Check if Vulnerable:
Check IBM Concert Software version. If running 1.0.0, 1.0.1, 1.0.2, 1.0.2.1, or 1.0.3, the system is vulnerable.Check Version:
Check IBM Concert Software administration interface or configuration files for version informationVerify Fix Applied:
Verify the fix has been applied by checking with IBM support or confirming the vulnerability is addressed in the applied security update.📡 Detection & Monitoring
Log Indicators:
- Unusual log entries containing script tags or executable code
- Log entries with unexpected special characters or encoding
- Multiple failed attempts to access log files
Network Indicators:
- Unusual patterns of log file access from authenticated users
SIEM Query:
source="ibm_concert" AND (message="*<script>*" OR message="*javascript:*" OR message="*onerror=*" OR message="*onload=*")