CVE-2023-26219
📋 TL;DR
This vulnerability in TIBCO Hawk components allows attackers with access to log files to extract credentials used for EMS server authentication. Affected organizations are those running vulnerable versions of TIBCO Hawk, Hawk Distribution for Silver Fabric, Operational Intelligence Hawk RedTail, or Runtime Agent.
💻 Affected Systems
- TIBCO Hawk
- TIBCO Hawk Distribution for TIBCO Silver Fabric
- TIBCO Operational Intelligence Hawk RedTail
- TIBCO Runtime Agent
📦 What is this software?
Hawk by Tibco
Hawk Distribution For Tibco Silver Fabric by Tibco
View all CVEs affecting Hawk Distribution For Tibco Silver Fabric →
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain EMS server credentials, potentially leading to unauthorized access, data exfiltration, or disruption of messaging services.
Likely Case
Internal attackers or compromised accounts access logs to steal credentials for lateral movement within the network.
If Mitigated
With proper log access controls and credential rotation, impact is limited to credential exposure without actual compromise.
🎯 Exploit Status
Exploitation is straightforward if log files are accessible; no special tools needed beyond file access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: TIBCO Hawk: 6.2.3+, Hawk Distribution for Silver Fabric: 6.2.3+, Hawk RedTail: 7.2.2+, Runtime Agent: 5.12.3+
Vendor Advisory: https://www.tibco.com/services/support/advisories
Restart Required: Yes
Instructions:
1. Download patches from TIBCO support portal. 2. Apply patches to affected components. 3. Restart Hawk Console and Agent services. 4. Verify EMS connectivity post-update.
🔧 Temporary Workarounds
Restrict log file access
linuxSet strict file permissions on Hawk Console and Agent log directories to prevent unauthorized access.
chmod 600 /path/to/hawk/logs/*
chown hawkuser:hawkgroup /path/to/hawk/logs/
Rotate EMS credentials
allChange EMS server credentials used by Hawk components to invalidate any potentially exposed credentials.
🧯 If You Can't Patch
- Implement strict access controls on log directories (read-only for authorized users only).
- Monitor log access attempts and implement credential rotation policies for EMS accounts.
🔍 How to Verify
Check if Vulnerable:
Check version numbers of installed TIBCO Hawk components against affected versions list.
Check Version:
Consult TIBCO documentation for component-specific version check commands (varies by product).
Verify Fix Applied:
Verify installed versions are at or above patched versions and test EMS connectivity.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Hawk log files
- Failed authentication attempts to EMS servers using potentially exposed credentials
Network Indicators:
- Unusual EMS server connections from unexpected sources
SIEM Query:
source="hawk_logs" AND (event="access_denied" OR event="file_read") OR destination="ems_server" AND auth_failure