CVE-2015-8332 in Video Content Management
Summary
by MITRE
Huawei Video Content Management (VCM) before V100R001C10SPC001 does not properly "authenticate online user identities and privileges," which allows remote authenticated users to gain privileges and perform a case operation as another user via a crafted message, aka "Horizontal Privilege Escalation Vulnerability."
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Analysis
by VulDB Data Team • 11/10/2019
The CVE-2015-8332 vulnerability affects Huawei Video Content Management systems prior to version V100R001C10SPC001, representing a critical horizontal privilege escalation flaw that undermines the system's authentication mechanisms. This vulnerability resides within the user identity and privilege validation processes of the VCM platform, creating a pathway for authenticated attackers to manipulate session data and assume the identities of other users within the system. The flaw specifically targets the system's ability to properly verify user credentials and authorization levels during online operations, allowing malicious actors with valid login credentials to exploit the authentication flow and perform unauthorized actions.
The technical implementation of this vulnerability stems from insufficient validation of user privileges and identity assertions within the system's message processing framework. When authenticated users submit crafted requests or messages to the VCM system, the platform fails to adequately verify that the requesting user has appropriate authorization levels for the operations being attempted. This weakness creates an environment where a user can manipulate the privilege context of their session, effectively bypassing normal access controls that should prevent one user from performing actions reserved for another user. The vulnerability operates at the application layer and requires only authenticated access to exploit, making it particularly dangerous as it can be leveraged by insiders or attackers who have obtained legitimate credentials.
From an operational impact perspective, this vulnerability compromises the integrity of the entire user access control system within Huawei VCM deployments. Attackers can leverage this flaw to perform unauthorized operations including but not limited to viewing restricted content, modifying user permissions, accessing sensitive video data, and potentially executing administrative functions. The horizontal privilege escalation allows for lateral movement within the system, enabling attackers to access data and functionality belonging to other users without detection. This capability significantly increases the potential damage scope and can lead to complete system compromise if administrative privileges are accessible through the same vulnerability vector. The impact extends beyond individual user data exposure to potential disruption of video surveillance operations and violation of privacy regulations.
Mitigation strategies for CVE-2015-8332 should prioritize immediate deployment of Huawei's official security patches and updates for the VCM platform. Organizations must ensure that all affected systems are upgraded to version V100R001C10SPC001 or later, which includes proper authentication and privilege validation mechanisms. Network segmentation and monitoring should be implemented to detect anomalous user behavior patterns that might indicate exploitation attempts. Access controls should be reviewed and strengthened with multi-factor authentication where possible, and regular privilege audits should be conducted to identify unauthorized access patterns. The vulnerability aligns with CWE-285, which addresses improper authorization issues, and maps to ATT&CK technique T1078 for valid accounts and T1484 for privilege escalation. Organizations should also implement comprehensive logging and monitoring solutions to detect potential exploitation attempts and establish incident response procedures specifically addressing privilege escalation vulnerabilities in video management systems.