CVE-2025-36348
📋 TL;DR
This vulnerability in IBM Sterling B2B Integrator and File Gateway exposes sensitive technical error messages to remote privileged attackers. Attackers can gain detailed system information that could facilitate further attacks. Affected versions include 6.1.0.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5, and 6.2.1.0 through 6.2.1.1.
💻 Affected Systems
- IBM Sterling B2B Integrator
- IBM Sterling File Gateway
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Privileged attacker obtains detailed system architecture, configuration, and error information that enables targeted follow-on attacks, potentially leading to full system compromise.
Likely Case
Privileged attacker gathers reconnaissance data about system configuration, software versions, and error conditions to plan more sophisticated attacks.
If Mitigated
Limited information disclosure with no direct system access; attacker gains only technical error details without authentication bypass or code execution.
🎯 Exploit Status
Exploitation requires privileged access; attacker simply needs to trigger error conditions and observe detailed responses.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply IBM fix packs as specified in advisory
Vendor Advisory: https://www.ibm.com/support/pages/node/7259769
Restart Required: Yes
Instructions:
1. Review IBM advisory 2. Download appropriate fix pack for your version 3. Apply fix following IBM documentation 4. Restart application services 5. Verify error messages no longer contain sensitive details
🔧 Temporary Workarounds
Configure generic error messages
allConfigure application to return generic error messages instead of detailed technical information
Refer to IBM documentation for error message configuration
Restrict privileged access
allImplement strict access controls to limit privileged user accounts
Review and tighten RBAC policies
Implement least privilege principle
🧯 If You Can't Patch
- Implement web application firewall (WAF) to filter error responses
- Monitor application logs for unusual error patterns and privileged access attempts
🔍 How to Verify
Check if Vulnerable:
Check if running affected versions and test if detailed error messages are returned to privileged usersCheck Version:
Check application version in admin console or configuration filesVerify Fix Applied:
Test that error conditions return generic messages without sensitive technical details📡 Detection & Monitoring
Log Indicators:
- Unusual error patterns
- Multiple error requests from single privileged user
- Detailed error messages in logs
Network Indicators:
- HTTP responses containing detailed error information
- Unusual error response sizes
SIEM Query:
source="sterling_app" AND (message="*error*" OR message="*exception*") | stats count by src_ip, user