CVE-2012-4835 in Cognos Business Intelligence
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM Cognos Business Intelligence (BI) 8.4.1 before IF1, 10.1 before IF2, 10.1.1 before IF2, and 10.2 before IF1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 02/06/2018
The CVE-2012-4835 vulnerability represents a critical cross-site scripting flaw affecting multiple versions of IBM Cognos Business Intelligence software. This vulnerability exists within the web application layer of the business intelligence platform, specifically in the handling of user input across various release versions including 8.4.1 before IF1, 10.1 before IF2, 10.1.1 before IF2, and 10.2 before IF1. The vulnerability stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within web pages. Attackers can exploit this weakness by injecting malicious scripts or HTML code through unspecified vectors, potentially compromising the integrity of web applications and user sessions.
The technical implementation of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. This classification indicates that the system fails to properly escape or encode special characters in user-controllable data before incorporating it into dynamically generated web content. The vulnerability operates by allowing attackers to inject malicious payloads that execute within the context of other users' browsers, potentially enabling session hijacking, data theft, or unauthorized administrative actions. The unspecified vectors suggest that the attack surface encompasses multiple input points within the application's user interface, including form fields, URL parameters, or API endpoints that process user-supplied information.
The operational impact of this vulnerability extends beyond simple script injection, as it creates a pathway for sophisticated attacks within enterprise environments where IBM Cognos BI systems are deployed. Organizations utilizing these vulnerable versions face risks of unauthorized data access, privilege escalation, and potential lateral movement within their network infrastructure. The vulnerability's presence in business intelligence platforms is particularly concerning as these systems often contain sensitive corporate data, financial reports, and strategic information that attackers could exploit to gain competitive advantages or cause financial harm. The remote nature of the attack means that adversaries can exploit this vulnerability from outside the corporate network without requiring physical access or prior authentication.
Mitigation strategies for CVE-2012-4835 should prioritize immediate patching of affected IBM Cognos BI installations to the latest available service packs and interim fixes. Organizations should implement comprehensive input validation at multiple layers including application firewalls, web application firewalls, and server-side validation routines. The implementation of Content Security Policy headers and proper output encoding mechanisms can provide additional defense-in-depth measures against potential exploitation attempts. Security teams should conduct thorough vulnerability assessments to identify all instances of affected software within their environment and establish monitoring procedures to detect suspicious user activity patterns that might indicate exploitation attempts. Additionally, regular security awareness training for administrators and developers can help prevent configuration errors that might exacerbate the vulnerability's impact. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique for script injection, highlighting the need for comprehensive network monitoring and endpoint protection measures to detect and prevent exploitation attempts.