CVE-2000-0928 in QuotaAdvisor
Summary
by MITRE
WQuinn QuotaAdvisor 4.1 allows users to list directories and files by running a report on the targeted shares.
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Analysis
by VulDB Data Team • 04/09/2019
The vulnerability identified as CVE-2000-0928 affects WQuinn QuotaAdvisor 4.1, a file system monitoring and reporting tool designed to track disk usage and manage storage quotas across networked environments. This security flaw represents a significant information disclosure vulnerability that undermines the confidentiality and integrity of file system data within targeted network shares. The issue stems from inadequate access controls and improper input validation within the application's reporting functionality, which allows unauthorized users to enumerate directory structures and file listings without proper authentication or authorization.
The technical implementation of this vulnerability occurs through the application's report generation mechanism, which fails to properly validate user permissions when processing requests for share information. When users initiate report generation on targeted shares, the system does not adequately verify whether the requesting user possesses sufficient privileges to access the requested directory listings. This design flaw enables attackers to exploit the reporting feature to discover the presence of files and directories that they should not normally be able to access, effectively bypassing the intended access controls that protect sensitive data within networked storage environments.
From an operational perspective, this vulnerability creates substantial risk for organizations relying on WQuinn QuotaAdvisor for storage management. Attackers can use this weakness to perform reconnaissance activities by mapping network share structures, identifying sensitive file locations, and discovering potential targets for further exploitation. The information disclosure impacts multiple security domains including confidentiality, as it reveals file system structure and content, and integrity, as it allows unauthorized access to data that should remain protected. This vulnerability directly violates principles outlined in the CWE-200 category, which addresses information exposure through improper access control mechanisms.
The impact of this vulnerability extends beyond simple information disclosure, as it enables attackers to gather intelligence that could facilitate more sophisticated attacks against the targeted systems. Network administrators and security professionals should recognize this as a critical weakness that could lead to privilege escalation, data exfiltration, or further compromise of networked systems. Organizations using this software should implement immediate mitigations including access control hardening, network segmentation, and application-level restrictions to prevent unauthorized users from executing reports on sensitive shares. The vulnerability also highlights the importance of proper input validation and access control enforcement, principles that align with ATT&CK technique T1083 for discovering file and directory permissions.
The exploitation of this vulnerability typically requires minimal technical expertise and can be accomplished through standard network reconnaissance tools or by directly interacting with the QuotaAdvisor interface. Security teams should consider implementing network monitoring to detect unusual reporting activity patterns that might indicate exploitation attempts. Additionally, organizations should ensure that all applications handling file system information implement proper access controls and that reporting features require appropriate authentication and authorization checks before providing directory listings or file information. This vulnerability serves as a reminder of the critical importance of validating access controls within all application components, particularly those that provide administrative or informational capabilities.