CVE-2016-2883 in TRIRIGA Application Platform
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM TRIRIGA Application Platform 3.3 before 3.3.2.6, 3.4 before 3.4.2.4, and 3.5 before 3.5.0.2 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL.
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Analysis
by VulDB Data Team • 02/15/2019
The vulnerability identified as CVE-2016-2883 represents a critical cross-site scripting flaw within IBM TRIRIGA Application Platform, a comprehensive enterprise application platform designed for business process management and integration. This security weakness affects multiple version streams including 3.3.x prior to 3.3.2.6, 3.4.x prior to 3.4.2.4, and 3.5.x prior to 3.5.0.2, indicating a widespread impact across the platform's major releases. The vulnerability specifically resides in how the application handles URL parameters, creating an avenue for malicious actors to inject arbitrary web scripts or HTML content into the platform's user interface.
The technical nature of this flaw stems from inadequate input validation and output encoding mechanisms within the TRIRIGA platform's URL processing functionality. When authenticated users navigate to specially crafted URLs containing malicious script payloads, the platform fails to properly sanitize or escape these inputs before rendering them in web responses. This failure allows attackers to execute scripts within the context of other users' sessions, potentially compromising the confidentiality, integrity, and availability of the targeted system. The vulnerability operates under CWE-79 which specifically addresses cross-site scripting conditions where untrusted data is improperly incorporated into web pages without proper validation or escaping mechanisms.
From an operational perspective, this vulnerability presents significant risks to organizations utilizing IBM TRIRIGA Application Platform, particularly those managing sensitive business data and processes. Remote authenticated attackers can exploit this weakness to perform session hijacking, steal user credentials, modify data, or redirect users to malicious websites. The authenticated requirement slightly limits the attack surface compared to fully unauthenticated vulnerabilities, but still represents a serious threat since it requires only legitimate user credentials to exploit. Attackers could leverage this vulnerability to gain unauthorized access to business processes, manipulate critical data, or establish persistent access points within the organization's infrastructure.
The impact of this vulnerability extends beyond immediate security breaches to potentially compromise the entire enterprise application ecosystem. Organizations relying on TRIRIGA for business process management, facility management, or enterprise resource planning could face data breaches, regulatory compliance violations, and operational disruptions. The vulnerability aligns with several ATT&CK framework techniques including T1059 for command and scripting interpreter and T1566 for credential harvesting, demonstrating how a single XSS flaw can enable multiple attack vectors. Organizations should consider implementing comprehensive monitoring solutions to detect anomalous URL patterns and unauthorized script injections that might indicate exploitation attempts.
Mitigation strategies for CVE-2016-2883 primarily involve applying the vendor-provided security patches and updates released for the affected versions of IBM TRIRIGA Application Platform. Organizations should prioritize immediate patch deployment across all affected systems and conduct thorough vulnerability assessments to identify any potential exploitation attempts. Additional defensive measures include implementing robust input validation controls, deploying web application firewalls, and establishing strict access controls to limit the impact of potential breaches. Security teams should also consider implementing security awareness training for users to recognize and report suspicious URL patterns or unexpected script behaviors within the platform. Regular security audits and penetration testing should be conducted to ensure the effectiveness of implemented controls and to identify any additional vulnerabilities that might exist within the broader application environment.