CVE-2016-8943 in Tivoli Storage Productivity Center
Summary
by MITRE
IBM Tivoli Storage Productivity Center is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
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Analysis
by VulDB Data Team • 08/09/2020
The vulnerability identified as CVE-2016-8943 affects IBM Tivoli Storage Productivity Center, a comprehensive storage management solution designed to monitor and optimize storage environments. This particular flaw represents a critical security weakness within the web-based user interface component of the product, where insufficient input validation and output encoding mechanisms fail to properly sanitize user-supplied data. The vulnerability exists in the web application layer of the storage management platform, which is accessible through standard web browsers and serves as the primary interface for administrators to configure and monitor storage systems. Organizations relying on this solution for critical storage infrastructure management face significant risks when this vulnerability remains unaddressed.
The technical implementation of this cross-site scripting vulnerability stems from inadequate sanitization of input parameters within the web UI components of IBM Tivoli Storage Productivity Center. When users provide input through various interface elements such as configuration fields, search parameters, or administrative settings, the application fails to properly encode or validate this data before rendering it back to the user's browser. This allows malicious actors to inject malicious JavaScript payloads that execute within the context of a legitimate user's session. The vulnerability specifically manifests when the application displays user-provided content without proper HTML escaping or context-appropriate encoding, creating an environment where crafted input can be interpreted as executable code rather than plain text. The flaw operates at the application layer and affects the web interface specifically, making it exploitable through standard web browser interactions.
The operational impact of this vulnerability extends beyond simple script execution, creating potential pathways for credential theft and session hijacking within trusted network environments. An attacker who successfully exploits this vulnerability can execute JavaScript code within the victim's browser session, potentially capturing authentication tokens, session cookies, or other sensitive information transmitted between the user and the application. This capability enables attackers to impersonate legitimate users and gain unauthorized access to storage management functions, potentially leading to data manipulation, configuration changes, or complete system compromise. The vulnerability is particularly concerning in enterprise environments where storage management systems contain critical infrastructure data and administrative privileges, as successful exploitation could result in significant operational disruption and security breaches. The threat is amplified by the fact that the attack requires minimal user interaction beyond visiting a malicious page or clicking on compromised links within the application interface.
Organizations should implement multiple layers of defense to mitigate this vulnerability while awaiting official patches from IBM. Immediate remediation efforts should focus on implementing strict input validation and output encoding mechanisms within the web application, ensuring that all user-supplied data is properly sanitized before being rendered back to the browser. Network-level protections such as web application firewalls and content filtering systems can provide additional defense in depth. Security teams should also conduct comprehensive user access reviews and implement session management best practices to limit the potential impact of successful exploitation attempts. Regular security assessments and penetration testing should be performed to identify similar vulnerabilities within the broader storage management ecosystem. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a clear violation of the principle of least privilege and secure coding practices. From an ATT&CK framework perspective, this vulnerability maps to techniques involving client-side exploitation and credential access, making it particularly relevant for organizations implementing comprehensive threat hunting and incident response strategies.