CVE-2011-2584 in Show
Summary
by MITRE
Cisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote attackers to access the (1) Encoders and Pull Configurations, (2) Push Configurations, (3) Video Encoding Formats, and (4) Transcoding administration pages, and cause a denial of service (live event outage) or obtain potentially sensitive information, via unspecified vectors, aka Bug ID CSCto73758.
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Analysis
by VulDB Data Team • 11/24/2021
Cisco Show and Share 5.2 versions prior to 5.2(2.1) contain a critical authentication bypass vulnerability that exposes sensitive administrative interfaces to remote attackers. This vulnerability affects the Encoders and Pull Configurations, Push Configurations, Video Encoding Formats, and Transcoding administration pages, which are core components of the video streaming and content management system. The flaw stems from insufficient access controls that fail to properly validate user credentials and session tokens when accessing administrative functions. Attackers can exploit this weakness to gain unauthorized access to video encoding configurations and transcoding settings, potentially compromising the entire video delivery infrastructure.
The technical implementation of this vulnerability involves a failure in the authentication mechanism that governs access to privileged administrative interfaces. According to CWE-287, this represents an improper authentication issue where the system does not adequately verify user identities before granting access to sensitive functions. The vulnerability allows attackers to perform unauthorized operations including viewing confidential video encoding parameters, modifying push and pull configuration settings, and accessing transcoding administration pages. This misconfiguration creates a pathway for attackers to manipulate video streaming workflows and potentially disrupt live events through denial of service attacks.
The operational impact of this vulnerability extends beyond simple information disclosure to include significant service disruption capabilities. Attackers can leverage the compromised administrative access to cause live event outages by modifying configuration parameters that control video streaming delivery. The vulnerability enables unauthorized access to potentially sensitive information including video encoding formats, transcoding parameters, and system configuration details that could reveal proprietary streaming methodologies. This exposure creates risks for organizations relying on Cisco Show and Share for professional video delivery services, potentially leading to service interruptions, data compromise, and reputational damage.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1212 by enabling adversaries to access system information and configuration data through weakened authentication mechanisms. The attack surface includes both the administrative interfaces and the underlying video processing capabilities that could be exploited for further compromise. Organizations should implement immediate mitigations including applying the patched version 5.2(2.1) or later, implementing network segmentation to isolate administrative interfaces, and monitoring for unauthorized access attempts. Additional protective measures include enforcing strong access controls, implementing multi-factor authentication for administrative accounts, and conducting regular security assessments to identify similar authentication bypass vulnerabilities in other networked systems.