CVE-2018-10207 in Enterprise File Sharing
Summary
by MITRE
An issue was discovered in Vaultize Enterprise File Sharing 17.05.31. An attacker can exploit Missing Authorization on the FlexPaperViewer SWF reader, and export files that should have been restricted, via vectors involving page-by-page access to a document in SWF format.
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Analysis
by VulDB Data Team • 05/30/2025
The vulnerability identified as CVE-2018-10207 affects Vaultize Enterprise File Sharing version 17.05.31 and represents a critical authorization flaw that undermines the security controls designed to protect sensitive documents. This issue specifically targets the FlexPaperViewer SWF reader component, which is responsible for rendering documents in flash format within the enterprise file sharing environment. The vulnerability stems from inadequate access control mechanisms that fail to properly validate user permissions when accessing individual pages of SWF documents, creating a pathway for unauthorized data exfiltration.
The technical implementation of this vulnerability resides in the missing authorization checks within the FlexPaperViewer SWF reader module. When users attempt to access documents in SWF format, the system should verify that the requesting user possesses appropriate permissions for each page of the document before granting access. However, the flawed implementation allows attackers to bypass these authorization checks by directly accessing individual pages of protected documents through manipulated SWF URLs or page-by-page navigation techniques. This weakness operates at the application layer and specifically affects the document rendering and access control components of the Vaultize platform, creating a scenario where restricted content becomes accessible through indirect pathways that circumvent normal security controls.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches and information disclosure risks within enterprise environments. Attackers can exploit this weakness to export files that should remain restricted, potentially accessing confidential business documents, proprietary information, or sensitive data that was intended to be protected by the enterprise file sharing system's access controls. The vulnerability particularly affects organizations that rely heavily on document sharing and collaboration features, as it undermines the fundamental security assumptions of the system's access control model. This flaw enables attackers to systematically bypass document-level permissions and access content that should be restricted to specific user groups or roles, creating a significant risk for organizations handling sensitive information.
Organizations should implement immediate mitigations including updating to the latest version of Vaultize Enterprise File Sharing that addresses this authorization flaw, implementing additional network-level controls to restrict access to SWF content, and conducting comprehensive audits of document access controls to identify any potential unauthorized access that may have occurred. The vulnerability aligns with CWE-285, which addresses insufficient authorization issues in software systems, and represents a clear violation of the principle of least privilege in access control mechanisms. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and defense evasion, as attackers can leverage the missing authorization controls to gain access to restricted resources while potentially avoiding detection mechanisms that would normally monitor for unauthorized data access attempts. Security teams should also consider implementing monitoring solutions that track access patterns to SWF documents and establish alerts for anomalous page-level access requests that could indicate exploitation attempts.