CVE-2012-3308 in Sametime
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in IBM Sametime 8.0.2 through 8.5.2.1 allows remote attackers to inject arbitrary web script or HTML via an IM chat.
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Analysis
by VulDB Data Team • 02/19/2019
The vulnerability identified as CVE-2012-3308 represents a critical cross-site scripting flaw within IBM Sametime messaging platform versions 8.0.2 through 8.5.2.1. This security weakness enables remote attackers to execute malicious web scripts or HTML code within the context of authenticated user sessions, fundamentally compromising the integrity of the communication environment. The vulnerability specifically manifests during instant messaging chat operations where user input is not properly sanitized before being rendered in the web interface, creating an exploitable entry point for malicious actors seeking to compromise user sessions or access sensitive information.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the Sametime client-side rendering logic. When users engage in instant messaging conversations, the application fails to adequately escape or filter special characters from chat messages, allowing attackers to inject malicious payloads that execute in the browser context of other users. This flaw operates at the application layer and specifically targets the web-based chat interface component of the Sametime platform, making it particularly dangerous in enterprise environments where the platform facilitates critical business communications and collaboration.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform session hijacking, steal user credentials, access confidential communications, and potentially escalate privileges within the Sametime environment. The attack vector requires minimal user interaction since the malicious code executes automatically when other users view the compromised chat messages, making it particularly effective for mass deployment attacks. Organizations utilizing Sametime for enterprise communications face significant risks including data exfiltration, unauthorized access to business-critical conversations, and potential compromise of the entire collaboration infrastructure. The vulnerability's persistence across multiple versions of the software indicates a fundamental design flaw that required comprehensive patching across the entire product lifecycle.
Organizations should implement immediate mitigation strategies including applying the official IBM security patches released for this vulnerability, implementing web application firewalls to filter malicious content, and deploying content security policies to prevent script execution. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, and represents a significant concern under ATT&CK technique T1566 related to spearphishing attacks that leverage web-based exploitation. Security teams should also consider network segmentation to limit the potential impact, user education to recognize suspicious chat messages, and comprehensive monitoring of chat traffic for signs of exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other enterprise collaboration platforms that may present similar attack surfaces.