CVE-2016-2973 in Sametime Media Services
Summary
by MITRE
IBM Sametime Media Services 8.5.2 and 9.0 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. IBM X-Force ID: 113899.
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Analysis
by VulDB Data Team • 01/10/2021
The vulnerability identified as CVE-2016-2973 affects IBM Sametime Media Services versions 8.5.2 and 9.0, representing a critical cross-site scripting flaw that undermines the security posture of enterprise communication platforms. This vulnerability resides within the web user interface components of the Sametime Media Services, which is part of IBM's unified communication suite designed for collaborative business environments. The flaw enables malicious actors to inject arbitrary JavaScript code through improperly validated user input fields, creating a persistent threat vector that can compromise user sessions and sensitive data within trusted network environments.
The technical implementation of this cross-site scripting vulnerability stems from insufficient input validation and output encoding mechanisms within the web interface components of Sametime Media Services. Attackers can exploit this weakness by crafting malicious payloads that are executed within the context of authenticated user sessions, effectively bypassing traditional security controls that rely on session integrity and user trust. The vulnerability specifically targets the web UI elements where user-provided data is rendered back to the browser without proper sanitization, allowing attackers to manipulate the intended functionality of the application. This flaw aligns with CWE-79, which categorizes cross-site scripting vulnerabilities as a direct result of inadequate input validation and output encoding practices.
The operational impact of CVE-2016-2973 extends beyond simple data manipulation, as it creates a pathway for credential theft and session hijacking within enterprise environments where Sametime is deployed. When authenticated users interact with compromised web interfaces, the injected JavaScript code can capture session cookies, form data, and potentially sensitive information transmitted through the communication platform. This threat is particularly concerning in corporate settings where Sametime serves as a critical collaboration tool, as successful exploitation could lead to unauthorized access to confidential business communications, intellectual property, and privileged information. The vulnerability's potential for lateral movement within trusted network segments makes it especially dangerous for organizations that rely on Sametime for internal communications and collaboration.
Organizations affected by this vulnerability should implement immediate mitigations including input validation updates, output encoding enhancements, and security configuration hardening measures. The recommended approach involves deploying web application firewalls with XSS protection capabilities, implementing strict content security policies, and ensuring proper input sanitization across all user-facing web interfaces. Additionally, administrators should consider disabling unnecessary web features, implementing multi-factor authentication, and conducting comprehensive security assessments of the Sametime deployment. This vulnerability demonstrates the critical importance of maintaining up-to-date security patches and following secure coding practices as outlined in the ATT&CK framework's web application exploitation techniques, particularly those related to client-side attacks and credential access through session manipulation. Organizations should also establish monitoring protocols to detect potential exploitation attempts and maintain incident response procedures specifically tailored to address cross-site scripting vulnerabilities in enterprise communication platforms.