CVE-2025-36348 Overview
IBM Sterling B2B Integrator and IBM Sterling File Gateway contain an information disclosure vulnerability that may expose sensitive information to remote privileged attackers. The vulnerability exists due to the application returning detailed technical error messages in the browser, potentially revealing internal system information that could be leveraged for further attacks.
Critical Impact
Privileged attackers with network access can extract sensitive technical information through verbose error messages, potentially exposing internal system details, configuration data, or application architecture that could facilitate further exploitation.
Affected Products
- IBM Sterling B2B Integrator versions 6.1.0.0 through 6.1.2.7_2
- IBM Sterling B2B Integrator versions 6.2.0.0 through 6.2.0.5
- IBM Sterling B2B Integrator versions 6.2.1.0 through 6.2.1.1
- IBM Sterling File Gateway versions 6.1.0.0 through 6.1.2.7_2
- IBM Sterling File Gateway versions 6.2.0.0 through 6.2.0.5
- IBM Sterling File Gateway versions 6.2.1.0 through 6.2.1.1
Discovery Timeline
- 2026-02-17 - CVE CVE-2025-36348 published to NVD
- 2026-02-18 - Last updated in NVD database
Technical Details for CVE-2025-36348
Vulnerability Analysis
This vulnerability is classified under CWE-209 (Generation of Error Message Containing Sensitive Information). The affected IBM Sterling B2B Integrator and Sterling File Gateway products improperly handle error conditions, resulting in detailed technical error messages being displayed directly in the browser to users.
When exceptions or errors occur during application processing, the system generates verbose error responses that may include stack traces, internal file paths, database connection strings, version information, or other sensitive technical details. While this vulnerability requires privileged access to exploit, the information disclosed could provide valuable reconnaissance data for attackers seeking to identify additional vulnerabilities or plan further attacks against the infrastructure.
The attack can be conducted remotely over the network without user interaction. The vulnerability primarily impacts confidentiality, with no direct effect on system integrity or availability.
Root Cause
The root cause of this vulnerability is improper error handling within the IBM Sterling B2B Integrator and Sterling File Gateway applications. Instead of presenting generic, user-friendly error messages to the browser, the application exposes detailed technical error information including exception details and potentially sensitive system information. This represents a failure to implement proper error message sanitization and exception handling best practices.
Attack Vector
The attack vector for CVE-2025-36348 is network-based, requiring the attacker to have privileged access to the affected application. An authenticated attacker with elevated privileges can trigger error conditions within the application interface and observe the detailed technical error messages returned in the browser response.
The attacker may deliberately cause application errors through malformed requests, invalid parameters, or by accessing functionality in unexpected ways to generate error responses. The detailed error messages can then be analyzed to extract sensitive information about the application's internal architecture, file system structure, database configuration, or other technical details that would normally be hidden from users.
Detection Methods for CVE-2025-36348
Indicators of Compromise
- Unusual patterns of error-generating requests from privileged user accounts
- Elevated volume of HTTP responses containing detailed stack traces or exception information
- Privileged user sessions exhibiting reconnaissance-like behavior such as systematic probing of application endpoints
- Log entries showing repeated error conditions triggered by the same authenticated user
Detection Strategies
- Monitor web application logs for patterns of intentionally triggered error conditions
- Implement alerting for HTTP responses containing stack trace patterns or verbose error message indicators
- Review privileged user activity logs for unusual browsing patterns or access to error-prone functionality
- Deploy web application firewall (WAF) rules to detect and alert on responses containing sensitive error information
Monitoring Recommendations
- Enable detailed logging for all privileged user sessions in IBM Sterling B2B Integrator and Sterling File Gateway
- Configure SIEM correlation rules to detect patterns of error-inducing requests from individual user accounts
- Establish baseline metrics for normal error rates and alert on anomalous spikes in error responses
How to Mitigate CVE-2025-36348
Immediate Actions Required
- Review the IBM Support Page for specific patch and remediation guidance
- Audit privileged user accounts to ensure least-privilege access is enforced
- Implement additional monitoring on privileged user sessions until patches can be applied
- Consider implementing custom error pages to suppress verbose error details at the web server or load balancer level
Patch Information
IBM has published security guidance for this vulnerability. Organizations should consult the IBM Support Page for detailed patch information, affected version specifics, and upgrade instructions. Ensure all instances of IBM Sterling B2B Integrator and IBM Sterling File Gateway are updated to patched versions as specified in the vendor advisory.
Workarounds
- Configure web server or reverse proxy to intercept and sanitize error responses before they reach the client
- Implement custom error handling at the application server level to present generic error messages
- Restrict network access to administrative interfaces to trusted networks or VPN connections only
- Enable additional audit logging for privileged user sessions to detect potential exploitation attempts
# Example: Configure reverse proxy to suppress detailed error messages
# Apache HTTPD configuration example
ErrorDocument 500 /custom_error_pages/500.html
ErrorDocument 502 /custom_error_pages/502.html
ErrorDocument 503 /custom_error_pages/503.html
# Suppress server signature and version information
ServerSignature Off
ServerTokens Prod
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
