CVE-2015-8336 in FusionCompute
Summary
by MITRE
Huawei FusionCompute with software before V100R005C10SPC700 allows remote authenticated users to obtain sensitive "role and permission" information via unspecified vectors.
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Analysis
by VulDB Data Team • 01/15/2025
The vulnerability identified as CVE-2015-8336 affects Huawei FusionCompute virtualization platform versions prior to V100R005C10SPC700, representing a significant information disclosure weakness that undermines the security posture of enterprise virtualized environments. This vulnerability specifically targets the role and permission management mechanisms within the FusionCompute system, which serves as a critical component for managing virtualized infrastructure in data centers. The flaw allows remote authenticated users to extract sensitive role and permission information, potentially compromising the integrity of the access control framework that protects virtualized resources.
The technical nature of this vulnerability stems from insufficient input validation and inadequate access control mechanisms within the FusionCompute management interface. When authenticated users exploit this weakness, they can traverse the system's permission boundaries to obtain unauthorized access to role definitions and permission mappings that should remain confidential. This type of information disclosure represents a privilege escalation vector that can be leveraged by attackers who have already gained initial access to the system through other means. The unspecified vectors suggest that multiple attack paths may exist, potentially including API endpoints, web interface components, or administrative protocols that fail to properly enforce authorization checks.
The operational impact of CVE-2015-8336 extends beyond simple information disclosure, as the exposed role and permission data can serve as a foundation for more sophisticated attacks. An attacker who obtains this sensitive information can map out the access control structure of the virtualized environment, identifying which users have elevated privileges and understanding the granularity of permissions assigned to different roles. This intelligence enables attackers to plan targeted attacks against specific administrative accounts or to identify potential lateral movement opportunities within the virtualized infrastructure. The vulnerability directly violates principles of least privilege and separation of duties that are fundamental to secure system design.
Organizations utilizing affected Huawei FusionCompute versions face significant risk from this vulnerability, as it undermines the core security controls that protect virtualized environments from unauthorized access. The exposure of role and permission information creates opportunities for attackers to escalate privileges, compromise sensitive virtual machines, or gain access to administrative functions that control the entire virtual infrastructure. This vulnerability aligns with CWE-200, which addresses information exposure, and represents a clear violation of the principle of least privilege that should govern all security-sensitive systems. The impact is particularly severe in enterprise environments where FusionCompute manages critical business applications and data.
Mitigation strategies for CVE-2015-8336 should prioritize immediate patch deployment to upgrade affected systems to Huawei V100R005C10SPC700 or later versions that contain the necessary security fixes. Organizations should also implement network segmentation and access controls to limit the attack surface available to authenticated users, while monitoring for suspicious activity that might indicate exploitation attempts. Security teams should conduct thorough audits of role and permission assignments to identify any potential unauthorized access that may have occurred during the vulnerability's window of exposure. Additionally, implementing comprehensive logging and monitoring of administrative activities can help detect exploitation attempts and provide forensic evidence for incident response activities. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect critical infrastructure components from information disclosure attacks that can undermine entire security architectures.