IBM Web Content Manager XPath injection
Description
IBM Web Content Manager versions 6.x, 7.x, and 8.x contain an XPath injection vulnerability that can be exploited without authentication. Attackers can manipulate specially crafted WCM URLs to perform blind XPath injection attacks against the Java Content Repository (JCR), allowing them to extract sensitive configuration data, enumerate repository nodes, and retrieve other valuable information from the underlying XML data structures. This vulnerability poses a high security risk due to the lack of authentication requirements and the potential exposure of confidential system information.
Remediation
Apply IBM Interim Fix PI07777 immediately to remediate this vulnerability. Follow these steps:
1. Navigate to IBM Fix Central and locate Interim Fix PI07777 for your specific WebSphere Portal version
2. Download the appropriate fix package for your platform and installation
3. Review the fix readme documentation for any prerequisites or special installation instructions
4. Schedule a maintenance window and create a complete backup of your WebSphere Portal environment
5. Apply the interim fix following IBM's installation procedures
6. Restart the WebSphere Portal server to ensure the fix is fully applied
7. Verify the fix installation by checking the installed interim fixes list in the WebSphere Portal administration console
8. Test WCM functionality to ensure normal operation
Additionally, implement input validation and parameterized queries for all user-supplied input used in XPath expressions to prevent similar vulnerabilities in custom code.