CVE-2020-4429
📋 TL;DR
CVE-2020-4429 is a critical vulnerability in IBM Data Risk Manager where a default administrative password allows remote attackers to log in and execute arbitrary code with root privileges. It affects IBM Data Risk Manager versions 2.0.1 through 2.0.6, potentially leading to full system compromise.
💻 Affected Systems
- IBM Data Risk Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker gains root access, executes arbitrary code, and fully compromises the system, leading to data theft, system destruction, or lateral movement.
Likely Case
Attackers exploit the default credentials to gain administrative control, install malware, or exfiltrate sensitive data from the Data Risk Manager.
If Mitigated
With proper controls like network segmentation and strong authentication, impact is limited to isolated system compromise without broader network access.
🎯 Exploit Status
Exploitation requires knowledge of the default credentials, which may be publicly disclosed; attackers can use simple login attempts to gain access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fixes as per IBM advisory; specific patched versions may vary, but updates are available for affected versions.
Vendor Advisory: https://www.ibm.com/support/pages/node/6206875
Restart Required: Yes
Instructions:
1. Review IBM advisory for details. 2. Apply the recommended patches or updates from IBM. 3. Restart the IBM Data Risk Manager service to ensure changes take effect. 4. Verify the fix by checking for the default password removal.
🔧 Temporary Workarounds
Change Default Administrative Password
linuxImmediately change the default password for the IDRM administrative account to a strong, unique password.
Use the IBM Data Risk Manager administrative interface or CLI to update the password; specific commands depend on configuration.
Network Segmentation and Access Control
allRestrict network access to IBM Data Risk Manager to trusted IPs only, reducing exposure to potential attackers.
Configure firewall rules (e.g., iptables or network security groups) to allow access only from authorized networks.
🧯 If You Can't Patch
- Isolate the system from the internet and untrusted networks to limit attack surface.
- Implement multi-factor authentication and monitor for unauthorized login attempts to detect exploitation.
🔍 How to Verify
Check if Vulnerable:
Check if the default administrative password is still set by attempting to log in with known default credentials (if disclosed) or reviewing configuration files for hardcoded passwords.Check Version:
Run the IBM Data Risk Manager version check command, typically via the administrative interface or CLI (e.g., 'idrm version' or similar, consult IBM documentation).Verify Fix Applied:
Verify that the default password has been changed by testing login with old credentials (should fail) and confirming with updated credentials. Check system logs for successful patches.📡 Detection & Monitoring
Log Indicators:
- Failed or successful login attempts to the administrative account, especially with default credentials; unusual root-level command executions.
Network Indicators:
- Inbound connections to IBM Data Risk Manager ports from untrusted sources, followed by authentication attempts.
SIEM Query:
Example: 'source="ibm_drm_logs" AND (event_type="login" AND user="admin" AND result="success")' to detect potential exploitation.🔗 References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/180534
- https://www.ibm.com/support/pages/node/6206875
- http://seclists.org/fulldisclosure/2024/Nov/0
- http://seclists.org/fulldisclosure/2024/Nov/1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/180534
- https://www.ibm.com/support/pages/node/6206875
