Out-of-Bounds Read in FileMaker Server for Linux

Executive Summary

This is an out-of-bounds read vulnerability in FileMaker Server for Linux. It allows an attacker to upload a specially crafted image file to a container field. When FileMaker WebDirect generates a thumbnail from this file, it unintentionally reads beyond the intended memory bounds, potentially exposing sensitive process memory.

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Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive information stored in the memory of the FileMaker Server process. This might include confidential data processed by the server, user credentials, or other internal system details. The impact depends on the server's configuration and the data it handles.

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Compliance Impact

This vulnerability could lead to unauthorized disclosure of personal or sensitive data, which may violate compliance requirements under regulations like GDPR or HIPAA. Organizations using affected FileMaker Server versions risk non-compliance due to potential data exposure, requiring immediate patching to maintain regulatory adherence.

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Mitigation Strategies

Update FileMaker Server for Linux to version 26.0.3 or later to address the out-of-bounds read vulnerability in thumbnail generation.

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