CVE-2023-38010: IBM Cloud Pak Information Disclosure Flaw

CVE-2023-38010 Overview

IBM Cloud Pak System displays sensitive information in user messages that could aid in further attacks against the system. This information disclosure vulnerability (CWE-209: Generation of Error Message Containing Sensitive Information) allows unauthenticated remote attackers to gather sensitive system details through verbose error messages, potentially facilitating reconnaissance for more sophisticated follow-up attacks.

Critical Impact

Sensitive system information exposed through error messages could enable attackers to map internal architecture, identify software versions, and plan targeted attacks against IBM Cloud Pak System deployments.

Affected Products

• IBM Cloud Pak System

Discovery Timeline

• 2026-02-04 - CVE CVE-2023-38010 published to NVD
• 2026-02-05 - Last updated in NVD database

Technical Details for CVE-2023-38010

Vulnerability Analysis

This vulnerability falls under CWE-209, which describes scenarios where an application generates error messages containing sensitive information about its environment, users, or associated data. In the context of IBM Cloud Pak System, verbose error messages may inadvertently expose internal system details such as file paths, configuration parameters, software versions, or stack traces.

The network-accessible nature of this vulnerability means that attackers can trigger these informative error messages remotely without requiring authentication. While the direct impact is limited to information disclosure without affecting system integrity or availability, the exposed information serves as valuable reconnaissance data for planning more targeted attacks.

Root Cause

The underlying cause is improper error handling within IBM Cloud Pak System components. When exceptions or error conditions occur, the system returns detailed diagnostic information to users instead of generic, security-safe error messages. This represents a failure to implement the security principle of providing minimal error information to end users while logging detailed diagnostics server-side for administrator review.

Attack Vector

The vulnerability is exploitable over the network with low attack complexity and requires no authentication or user interaction. An attacker can systematically probe the IBM Cloud Pak System interface, deliberately triggering error conditions to harvest sensitive information from the resulting error messages.

The attack methodology typically involves:

1. Identifying endpoints or input fields that generate error responses
2. Crafting requests with malformed or boundary-case inputs to trigger error conditions
3. Analyzing returned error messages for sensitive system details
4. Aggregating collected information to build a profile of the target system
5. Using gathered intelligence to identify additional vulnerabilities or plan targeted exploits

Detection Methods for CVE-2023-38010

Indicators of Compromise

• Unusual patterns of malformed requests targeting IBM Cloud Pak System interfaces
• Repeated requests designed to trigger error conditions from single or distributed sources
• Access log entries showing systematic probing of application endpoints
• Multiple failed authentication or validation attempts with varied input patterns

Detection Strategies

• Monitor web server and application logs for spikes in 4xx and 5xx error responses
• Implement anomaly detection for request patterns that deviate from normal user behavior
• Configure web application firewalls to alert on reconnaissance-like traffic patterns
• Review error response content to verify no sensitive information is being exposed

Monitoring Recommendations

• Enable detailed logging on IBM Cloud Pak System components to track error generation patterns
• Establish baseline metrics for normal error rates and alert on significant deviations
• Implement SIEM correlation rules to identify systematic probing attempts
• Conduct periodic reviews of error message content to ensure sensitive data is not exposed

How to Mitigate CVE-2023-38010

Immediate Actions Required

• Review the IBM Support Page for official guidance and patches
• Audit current error handling configurations in IBM Cloud Pak System deployments
• Implement or strengthen web application firewall rules to filter reconnaissance attempts
• Restrict network access to IBM Cloud Pak System management interfaces where possible

Patch Information

IBM has published security guidance for this vulnerability. Administrators should consult the IBM Support Page for specific patch information, affected version details, and upgrade instructions. Apply the recommended updates as soon as possible following your organization's change management procedures.

Workarounds

• Configure custom error pages that return generic messages without system details
• Implement rate limiting on endpoints prone to generating error responses
• Use reverse proxy configurations to sanitize error responses before they reach clients
• Segment network access to limit exposure of IBM Cloud Pak System interfaces to trusted networks only

# Example: Generic error page configuration concept
# Consult IBM documentation for product-specific configuration
# Ensure error handlers return minimal information to users
# Log detailed errors server-side for administrative review only