CVE-2024-57249 in FileVista
Summary
by MITRE • 02/07/2025
Incorrect Access Control in the Preview Function of Gleamtech FileVista 9.2.0.0 allows remote attackers to gain unauthorized access via exploiting a vulnerability in access control mechanisms by removing authentication-related HTTP headers, such as the Cookie header, in the request. This bypasses the authentication process and grants attackers access to sensitive image files without proper login credentials.
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Analysis
by VulDB Data Team • 09/15/2025
The vulnerability identified as CVE-2024-57249 represents a critical access control flaw within the preview function of Gleamtech FileVista version 9.2.0.0. This issue resides in the application's authentication mechanism implementation where the system fails to properly validate user credentials when processing preview requests for sensitive image files. The flaw specifically manifests when the application processes HTTP requests that lack essential authentication headers, particularly the Cookie header that typically contains session identifiers and authentication tokens. This weakness creates a pathway for remote attackers to bypass the intended authentication process entirely, allowing unauthorized access to protected content. The vulnerability demonstrates a fundamental failure in the application's security architecture where the preview functionality does not adequately verify user authorization status before serving sensitive files, creating a direct attack vector for privilege escalation and data exfiltration.
The technical implementation of this vulnerability stems from improper input validation and authentication header handling within the FileVista application's preview module. When a request is made to access a preview of an image file, the system should verify that the requesting user possesses appropriate authorization rights before serving the content. However, the flaw allows attackers to manipulate HTTP requests by stripping or modifying authentication-related headers, effectively removing the authentication context from the request. This manipulation enables attackers to access files that should be restricted to authenticated users, as the application fails to enforce proper access control checks when these headers are absent or altered. The vulnerability can be classified under CWE-285, which specifically addresses improper authorization in software systems, and represents a classic example of insecure direct object reference where the application's access control mechanism is bypassed through header manipulation. The attack pattern aligns with techniques described in the MITRE ATT&CK framework under the T1078 privilege escalation category, where adversaries exploit weak access controls to gain unauthorized access to resources.
The operational impact of CVE-2024-57249 extends beyond simple unauthorized file access, potentially exposing organizations to significant data breaches and intellectual property theft. Remote attackers who successfully exploit this vulnerability can access sensitive image files that may contain confidential business information, personal data, or proprietary content that should remain protected. The vulnerability affects the core functionality of FileVista's preview system, which is designed to allow users to view files without downloading them, but the security flaw undermines this legitimate use case by enabling unauthorized access. Organizations using this software may face compliance violations, regulatory penalties, and reputational damage if sensitive files are compromised. The vulnerability also represents a potential stepping stone for more sophisticated attacks, as attackers can use the initial unauthorized access to gather intelligence about the system's file structure and identify additional targets for exploitation. The impact is particularly severe in environments where FileVista is used to manage sensitive documents or media assets, as the preview functionality is often accessed by multiple users and may be integrated with other systems that could amplify the attack surface.
Mitigation strategies for CVE-2024-57249 should focus on strengthening the authentication and access control mechanisms within the FileVista application. Organizations should immediately implement proper input validation for HTTP headers and ensure that all preview requests undergo rigorous authentication verification regardless of header presence or content. The recommended approach includes implementing robust header validation that enforces the presence of required authentication tokens and session identifiers, with fallback mechanisms that reject requests lacking proper authorization context. Security patches or updates from Gleamtech should be applied immediately to address the root cause of the vulnerability, while network administrators should consider implementing additional monitoring controls to detect suspicious access patterns or header manipulation attempts. Organizations should also conduct comprehensive security assessments of their FileVista installations to identify any additional access control weaknesses and implement proper logging of all preview requests for audit purposes. The remediation process should include validating that authentication headers are properly validated and that the application enforces consistent access control policies across all file access methods, including preview functionality. Additionally, implementing network segmentation and access controls can help limit the potential impact of successful exploitation attempts while maintaining legitimate user access to required resources.