CVE-2011-0392 in Telepresence Recording Server Software
Summary
by MITRE
Cisco TelePresence Recording Server devices with software 1.6.x do not require authentication for an XML-RPC interface, which allows remote attackers to perform unspecified actions via a session on TCP port 8080, aka Bug ID CSCtg35833.
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Analysis
by VulDB Data Team • 12/01/2024
The vulnerability identified as CVE-2011-0392 affects Cisco TelePresence Recording Server devices running software version 1.6.x, presenting a critical security flaw in the device's XML-RPC interface implementation. This issue stems from the absence of proper authentication mechanisms for a service that operates on TCP port 8080, creating an unauthorized access vector that can be exploited by remote attackers without requiring any credentials or prior authorization. The vulnerability is particularly concerning as it allows attackers to perform unspecified actions through what appears to be a legitimate session establishment process, potentially enabling full control over the affected device's recording capabilities and associated data management functions.
The technical flaw manifests in the design of the XML-RPC interface where the system fails to implement mandatory authentication checks before permitting access to administrative or operational functions. This authentication bypass vulnerability represents a direct violation of security best practices and aligns with CWE-287, which addresses improper authentication issues in software systems. The absence of authentication requirements means that any remote attacker who can reach the device on port 8080 can establish a session and potentially execute arbitrary commands or manipulate the recording server's configuration and stored media content. The unspecified nature of the actions that can be performed suggests that the vulnerability may allow for multiple attack vectors including data manipulation, service disruption, or unauthorized access to recorded content.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally compromises the security posture of Cisco TelePresence Recording Server deployments. Organizations relying on these devices for sensitive communications and video recording may face serious consequences including unauthorized access to confidential meeting recordings, potential service disruption affecting business continuity, and possible data integrity compromise. The vulnerability affects the availability, confidentiality, and integrity of the recording server's operations, making it a critical concern for enterprises that depend on secure telepresence solutions for their communication infrastructure. Attackers could potentially leverage this vulnerability to disrupt video recording services, access sensitive business communications, or even manipulate the device's configuration to redirect recordings or disable security features.
Mitigation strategies for this vulnerability should focus on immediate remediation through software updates provided by Cisco, as the vendor would have likely released patches addressing the authentication bypass issue in the XML-RPC interface. Organizations should also implement network segmentation to restrict access to TCP port 8080, ensuring that only authorized management systems can reach the device. Network access control measures including firewall rules and access lists should be configured to limit connections to the affected port to trusted IP addresses only. Additionally, security monitoring should be enhanced to detect unusual activity on port 8080, and administrators should conduct thorough security assessments of their telepresence infrastructure to identify any other potential vulnerabilities. The ATT&CK framework would categorize this vulnerability under privilege escalation and unauthorized access tactics, with potential impact on command and control operations within the affected network environment. Organizations should also consider implementing network intrusion detection systems to monitor for exploitation attempts and maintain comprehensive audit logs of all access attempts to the recording server's XML-RPC interface.