CVE-2016-0303 in Tivoli Integrated Portal
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM Tivoli Integrated Portal 2.2.0.0 through 2.2.0.15 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/01/2020
The vulnerability identified as CVE-2016-0303 represents a critical cross-site scripting flaw within IBM Tivoli Integrated Portal versions 2.2.0.0 through 2.2.0.15. This security weakness exposes the platform to remote code execution risks where malicious actors can inject arbitrary web scripts or HTML content into the application's user interface. The vulnerability stems from insufficient input validation and output encoding mechanisms within the portal's web application framework, creating an attack surface that allows unauthorized users to manipulate the application's behavior through crafted malicious inputs. The unspecified vectors suggest that the flaw exists across multiple entry points within the portal's interface, potentially affecting various user interaction components including forms, search functions, and dynamic content rendering modules.
The technical implementation of this XSS vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. The flaw operates by failing to properly sanitize user-supplied data before incorporating it into dynamically generated web pages, allowing malicious payloads to execute in the context of other users' browsers. This type of vulnerability is particularly dangerous in enterprise portal environments where users may have elevated privileges or access to sensitive business data. The attack vector typically involves injecting malicious scripts through user input fields, URL parameters, or HTTP headers that are subsequently processed and displayed without adequate sanitization measures. The vulnerability affects the application's security model by potentially enabling session hijacking, data theft, and privilege escalation attacks.
The operational impact of CVE-2016-0303 extends beyond simple script injection, creating substantial risks for enterprise security postures. Organizations utilizing IBM Tivoli Integrated Portal in production environments face potential exposure to credential theft, unauthorized data access, and persistent malicious content delivery to unsuspecting users. The vulnerability's presence in multiple versions within the 2.2.0.x release series indicates a systemic flaw in the application's security architecture rather than an isolated incident. Attackers can leverage this vulnerability to establish persistent backdoors, redirect users to phishing sites, or extract sensitive session cookies from authenticated users. The attack surface is particularly concerning given that Tivoli Integrated Portal serves as a centralized access point for enterprise applications, making successful exploitation potentially devastating for organizational security.
Mitigation strategies for CVE-2016-0303 should prioritize immediate remediation through official IBM security patches and updates. Organizations must implement comprehensive input validation mechanisms, including strict sanitization of all user-supplied content and robust output encoding practices to prevent malicious scripts from executing in browser contexts. Network segmentation and web application firewalls should be deployed to monitor and filter suspicious traffic patterns. The implementation of content security policies and proper HTTP headers can provide additional protection layers against XSS attacks. Security teams should conduct thorough vulnerability assessments of all portal components and establish monitoring procedures to detect potential exploitation attempts. Regular security training for developers on secure coding practices and adherence to OWASP top ten security guidelines will help prevent similar vulnerabilities in future development cycles. Organizations should also consider implementing automated security scanning tools and regular penetration testing to identify and remediate similar weaknesses before they can be exploited by threat actors.