CVE-2022-22565 in PowerScale OneFS
Summary
by MITRE • 04/12/2022
Dell PowerScale OneFS, versions 9.0.0-9.3.0, contain an improper authorization of index containing sensitive information. An authenticated and privileged user could potentially exploit this vulnerability, leading to disclosure or modification of sensitive data.
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Analysis
by VulDB Data Team • 04/18/2022
The vulnerability identified as CVE-2022-22565 affects Dell PowerScale OneFS storage systems across versions 9.0.0 through 9.3.0, representing a critical authorization flaw that undermines the system's data protection mechanisms. This issue stems from improper authorization controls within the indexing mechanisms of the storage platform, creating a pathway for authenticated users to access sensitive information that should be restricted. The vulnerability resides in the system's handling of index structures that contain metadata and potentially sensitive data elements, allowing unauthorized access to information that should remain protected within the storage environment. The flaw specifically impacts the authorization framework that governs access to index content, enabling a privileged user to bypass normal access controls and potentially modify or disclose sensitive data.
The technical implementation of this vulnerability demonstrates a failure in the access control validation process within the OneFS storage operating system. When users perform operations that involve index traversal or data retrieval, the system fails to properly validate whether the authenticated user possesses adequate privileges to access the specific index content they are attempting to reach. This authorization bypass occurs at the index management layer where the system should enforce strict access controls based on user roles, permissions, and data classification levels. The vulnerability is particularly concerning because it affects the core indexing functionality that underpins data organization and retrieval operations within the storage system. The improper authorization mechanism allows an authenticated user with sufficient privileges to escalate their access rights to index content that contains sensitive information, potentially exposing system metadata, user data, or operational details that should remain confidential.
The operational impact of this vulnerability extends beyond simple data disclosure to include potential modification of sensitive storage system information that could compromise the integrity of the entire storage environment. An attacker exploiting this vulnerability could gain access to detailed index structures that contain information about file locations, metadata, access patterns, and potentially user credentials or system configurations. The compromise of index data could enable more sophisticated attacks including data manipulation, privilege escalation, or the creation of backdoor access points within the storage system. This vulnerability particularly affects organizations that rely heavily on PowerScale for critical data storage and management, as the exposure of index information could reveal operational details that might be leveraged in subsequent attacks against the broader network infrastructure.
Organizations should implement immediate mitigation strategies to address this vulnerability, beginning with the application of available patches from Dell that specifically target the authorization flaws in the indexing mechanisms. The recommended approach involves upgrading to OneFS versions that have been confirmed to resolve the improper authorization issue, as Dell has released security updates to address this specific vulnerability. Network segmentation and monitoring should be enhanced to detect anomalous access patterns that might indicate exploitation attempts, particularly around index-related operations and metadata access. Access control policies should be reviewed and strengthened to ensure that privilege escalation is properly restricted, and that users have only the minimum necessary permissions to perform their storage operations. Security teams should implement comprehensive monitoring of index access logs and user activities that could indicate unauthorized attempts to access sensitive index information, as outlined in the CWE-285 access control principles and aligned with ATT&CK technique T1078 for valid accounts and privilege escalation. The vulnerability demonstrates the critical importance of maintaining proper authorization controls in storage systems, where the compromise of index integrity can have cascading effects on overall data security and system integrity across enterprise environments.