CVE-2023-49883
📋 TL;DR
IBM Transformation Extender Advanced 10.0.1 does not enforce strong password requirements by default, allowing attackers to more easily guess or brute-force user credentials. This affects all users of the software who haven't manually configured password policies. The vulnerability enables unauthorized access to sensitive data and system functions.
💻 Affected Systems
- IBM Transformation Extender Advanced
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access, leading to complete system compromise, data theft, and potential lateral movement to connected systems.
Likely Case
Attackers compromise user accounts through password guessing or brute-force attacks, accessing sensitive transformation data and business logic.
If Mitigated
With strong password policies enforced, risk reduces to sophisticated attacks requiring additional vulnerabilities or social engineering.
🎯 Exploit Status
Exploitation requires valid username and password guessing/brute-forcing capabilities.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply interim fix or upgrade as per IBM advisory
Vendor Advisory: https://www.ibm.com/support/pages/node/7246885
Restart Required: Yes
Instructions:
1. Review IBM advisory 2. Apply recommended interim fix 3. Restart affected services 4. Configure strong password policies
🔧 Temporary Workarounds
Enforce Strong Password Policy
allManually configure password complexity requirements, minimum length, and account lockout policies.
Configure via IBM Transformation Extender administration console or configuration files
🧯 If You Can't Patch
- Implement network segmentation to restrict access to IBM Transformation Extender systems
- Enable multi-factor authentication and account lockout policies
🔍 How to Verify
Check if Vulnerable:
Check if password policies are configured: minimum 12 characters, complexity requirements, account lockout enabledCheck Version:
Check IBM Transformation Extender version via administration console or installation logsVerify Fix Applied:
Verify password policy enforcement by attempting to set weak passwords📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts from single source
- Successful login after many failures
- Password change to weak credentials
Network Indicators:
- Brute-force attack patterns to authentication endpoints
- Unusual access patterns to transformation data
SIEM Query:
source="ibm_transformation_extender" AND (event_type="failed_login" count>10 within 5min OR event_type="successful_login" after multiple_failures)