CVE-2015-8672 in TE30
Summary
by MITRE
The presentation transmission permission management mechanism in Huawei TE30, TE40, TE50, and TE60 multimedia video conferencing endpoints with software before V100R001C10SPC100 allows remote attackers to cause a denial of service (wired presentation outage) via unspecified vectors involving to a wireless presentation.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 06/10/2018
The vulnerability identified as CVE-2015-8672 affects Huawei TE30, TE40, TE50, and TE60 multimedia video conferencing endpoints running software versions prior to V100R001C10SPC100. This represents a critical security flaw in the presentation transmission permission management system that governs how wired and wireless presentation sessions are handled within these conferencing devices. The affected hardware platforms are widely deployed in enterprise environments for collaborative video conferencing, making this vulnerability particularly concerning from a cybersecurity perspective.
The technical flaw resides in the insufficient permission management mechanisms that control presentation transmission between wired and wireless presentation channels. Attackers can exploit unspecified vectors to manipulate the presentation transmission process, ultimately leading to a denial of service condition that results in wired presentation outages. This vulnerability demonstrates a clear weakness in the device's access control implementation, where proper authentication and authorization checks are either missing or inadequately enforced during presentation session establishment and maintenance. The issue specifically impacts the wireless presentation functionality while causing cascading effects that disrupt wired presentation capabilities, indicating a fundamental flaw in the system's presentation channel management architecture.
From an operational impact standpoint, this vulnerability creates significant disruption in enterprise video conferencing environments where reliable presentation capabilities are essential for business continuity. When attackers successfully exploit this vulnerability, they can render wired presentation services unavailable, forcing participants to rely on alternative presentation methods or potentially disrupting entire meetings. The denial of service condition affects not only the immediate presentation capabilities but also the overall user experience and productivity within collaborative environments. Organizations using these devices may face operational challenges including scheduled meeting disruptions, decreased collaboration efficiency, and potential financial losses due to interrupted business communications. The vulnerability's remote exploitability means that attackers can potentially compromise these systems from external networks without requiring physical access or local credentials.
Mitigation strategies should focus on immediate software updates to patch the vulnerability in affected Huawei devices, ensuring all endpoints are upgraded to V100R001C10SPC100 or later versions. Network segmentation and monitoring should be implemented to detect unusual presentation transmission patterns that might indicate exploitation attempts. Access controls should be strengthened to limit presentation session management privileges to authorized users only, while regular security audits should verify proper implementation of permission management mechanisms. Organizations should also consider implementing network-based intrusion detection systems to monitor for exploitation attempts targeting these specific devices. This vulnerability aligns with CWE-284 (Improper Access Control) and represents a significant concern for organizations following ATT&CK framework tactics related to privilege escalation and denial of service operations. The impact of this vulnerability extends beyond simple service disruption to potentially compromise the integrity of enterprise communication systems and collaboration platforms.