CVE-2016-7457 in vRealize Operations
Summary
by MITRE
VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt and remove virtual machines, via unspecified vectors.
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Analysis
by VulDB Data Team • 09/22/2022
VMware vRealize Operations version 6.x prior to 6.4.0 contained a critical privilege escalation vulnerability that affected remote authenticated users within the virtualization management platform. This vulnerability enabled attackers who had already established legitimate credentials to elevate their privileges beyond their intended access levels, potentially gaining administrative capabilities within the vROps environment. The flaw existed in the platform's authorization mechanisms and access control implementations, allowing unauthorized privilege expansion through unspecified attack vectors that were not fully disclosed in the initial vulnerability report.
The technical nature of this vulnerability stems from insufficient validation of user permissions and inadequate enforcement of role-based access controls within the vROps management interface. Attackers could exploit this weakness to execute operations that should have been restricted to administrators or privileged users, including the ability to halt and remove virtual machines from the system. This represents a significant escalation from typical authenticated user access to potentially disruptive administrative capabilities, as the vulnerability allowed for both privilege elevation and system manipulation actions that could impact virtual infrastructure availability and integrity.
From an operational impact perspective, this vulnerability created a serious risk for organizations relying on VMware vROps for monitoring and managing their virtual environments. The ability to halt and remove virtual machines represents a direct threat to system availability and business continuity, as malicious actors could potentially disrupt critical workloads without being detected. The privilege escalation aspect meant that attackers could gain unauthorized access to sensitive monitoring data, system configurations, and potentially access other systems within the virtualized environment that were protected by the assumption of legitimate user credentials.
Organizations affected by this vulnerability should have implemented immediate mitigations including upgrading to VMware vRealize Operations 6.4.0 or later versions where the vulnerability was addressed. The fix likely included enhanced authentication controls, improved session management, and strengthened access control enforcement mechanisms. Additionally, implementing network segmentation and monitoring for unusual administrative activities could have helped detect exploitation attempts. This vulnerability aligns with CWE-284, which describes improper access control issues, and maps to ATT&CK technique T1078 for valid accounts and privilege escalation, while also representing a critical risk in the context of cloud and virtualization security frameworks.
The remediation process required organizations to carefully plan and execute the upgrade of their vROps installations while ensuring that existing monitoring and alerting systems were properly configured to detect potential exploitation attempts. Security teams needed to review user access rights and implement principle of least privilege practices to minimize the impact if the vulnerability was exploited. The incident highlighted the importance of maintaining up-to-date virtualization management platforms and demonstrated how vulnerabilities in monitoring tools could create significant security risks for entire virtualized infrastructures. Organizations should have also reviewed their incident response procedures to ensure they could effectively respond to privilege escalation attempts and unauthorized virtual machine modifications that could occur through such vulnerabilities.