CVE-2013-3044 in Lotus Sametime Enterprise Meeting Server
Summary
by MITRE
The Enterprise Meeting Server in IBM Lotus Sametime 8.5.2 and 8.5.2.1 allows remote authenticated users to spoof the origin of chat messages, or compose anonymous chat messages, by leveraging meeting-attendance privileges.
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Analysis
by VulDB Data Team • 03/25/2019
The vulnerability identified as CVE-2013-3044 affects IBM Lotus Sametime Enterprise Meeting Server versions 8.5.2 and 8.5.2.1, representing a significant security flaw in the chat message authentication mechanism. This issue stems from improper validation of message origin information within the meeting server architecture, allowing authenticated users with specific meeting attendance privileges to manipulate the source identification of their communications. The vulnerability operates at the application layer and specifically targets the integrity of chat message metadata, particularly the sender identification fields that are crucial for maintaining communication accountability within enterprise collaboration environments.
The technical flaw manifests through the exploitation of meeting attendance privileges that grant users elevated access rights within the Sametime environment. Attackers with legitimate meeting participation credentials can manipulate the message origin fields to either masquerade as other authenticated users or create anonymous chat messages that bypass normal authentication checks. This represents a violation of the principle of least privilege and undermines the trust model that enterprise messaging systems rely upon for secure communication. The vulnerability is categorized under CWE-352, which addresses Cross-Site Request Forgery, though the specific implementation involves message spoofing rather than traditional CSRF attacks. The flaw essentially allows for impersonation attacks within the meeting context, where legitimate users can exploit their access rights to forge message origins.
The operational impact of this vulnerability extends beyond simple message manipulation to compromise the integrity of enterprise communications and potentially enable more sophisticated attacks. Organizations utilizing IBM Lotus Sametime for critical business meetings face risks including the potential for misinformation campaigns, social engineering attacks, and the undermining of trust in meeting communications. The vulnerability could be exploited to spread false information during sensitive discussions, potentially affecting decision-making processes or causing confusion among meeting participants. From an attacker perspective, this represents a low-effort method for conducting message-level attacks that can be particularly damaging in environments where trust and authentication are paramount for business operations. The attack vector requires only authenticated access to a meeting, making it accessible to users who have legitimate but potentially unauthorized access to specific meetings.
Mitigation strategies for CVE-2013-3044 should focus on strengthening the message authentication mechanisms within the Sametime server implementation and implementing proper access controls for meeting participation privileges. Organizations should ensure that all available security patches from IBM are applied immediately, as the vendor likely released specific fixes for this vulnerability. Network-level controls such as monitoring for unusual message origin patterns and implementing stricter access controls for meeting participation can provide additional layers of protection. The implementation of message integrity checks that verify the authenticity of origin information, combined with proper audit logging of message modifications, would help detect and prevent exploitation attempts. Security teams should also consider implementing principle of least privilege controls for meeting attendance, ensuring that users only have access to meetings for which they have legitimate business requirements. This vulnerability highlights the importance of proper input validation and message origin verification in collaborative software environments and aligns with ATT&CK technique T1566 for social engineering through message manipulation, though the specific implementation involves technical rather than social attack vectors.