CVE-2013-3988 in Sametime
Summary
by MITRE
The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
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Analysis
by VulDB Data Team • 03/07/2019
The vulnerability identified as CVE-2013-3988 affects IBM Sametime Meeting Server versions 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1, representing a significant security flaw that enables remote attackers to execute clickjacking attacks against unsuspecting users. This vulnerability resides within the web-based interface of the Sametime Meeting Server component, which is designed to facilitate collaborative video conferencing and instant messaging within enterprise environments. The affected systems typically serve as central communication hubs for organizations, making them attractive targets for cyber adversaries seeking to exploit user trust and manipulate interactions through deceptive web interfaces.
The technical nature of this vulnerability stems from insufficient protection mechanisms within the Meeting Server's web application layer, specifically failing to implement proper clickjacking defense measures such as X-Frame-Options headers or Content Security Policy directives. Attackers can leverage this weakness by crafting malicious web pages that embed the vulnerable Sametime interface within hidden iframes, tricking users into performing unintended actions when they interact with what appears to be legitimate application elements. The unspecified vectors mentioned in the description indicate that multiple attack surfaces within the web interface could potentially be exploited, including meeting invitation links, conference controls, or user management functions that lack adequate frame-busting protections.
The operational impact of this vulnerability extends beyond simple user deception, as successful clickjacking attacks can lead to unauthorized access to meeting sessions, manipulation of conference settings, or even complete session takeover. Organizations relying on Sametime for critical business communications face elevated risk of data exposure, disruption of collaborative workflows, and potential compromise of sensitive meeting content. The vulnerability particularly affects enterprises where Sametime is used for internal communications, client presentations, or secure collaboration scenarios, as attackers could exploit the flaw to gain unauthorized access to confidential discussions or manipulate meeting parameters without user knowledge.
Security practitioners should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate deployment of the vendor-provided patches or updates that address the clickjacking weakness. Organizations should also enforce proper HTTP headers including X-Frame-Options with restrictive settings such as "DENY" or "SAMEORIGIN" to prevent embedding of the application in external frames. Network-level protections can include implementing Content Security Policy headers that restrict frame ancestors, while application-level defenses should incorporate frame-busting JavaScript techniques to detect and prevent unauthorized embedding. Additionally, user education regarding suspicious web interactions and regular security audits of web applications can help identify potential exploitation attempts. This vulnerability aligns with CWE-1021, which specifically addresses insufficient protection against clickjacking attacks, and maps to ATT&CK technique T1211 for the exploitation of web application vulnerabilities through deceptive user interfaces. Organizations should also consider implementing web application firewalls that can detect and block suspicious framing attempts, and establish monitoring protocols to identify potential exploitation activities targeting the Sametime infrastructure.