Executive Summary

This vulnerability is a heap-based buffer overflow found in Adobe InDesign Desktop versions 20.5.2, 21.2 and earlier. It occurs when a user opens a specially crafted malicious file, which can cause the program to improperly handle memory buffers on the heap.

As a result, an attacker could exploit this flaw to cause memory exposure, potentially disclosing sensitive information stored in the application's memory.

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Impact Analysis

If exploited, this vulnerability could lead to the disclosure of sensitive information from the memory of the affected application.

Since exploitation requires user interaction (opening a malicious file), the risk depends on the likelihood of a user opening such a file.

The impact is primarily confidentiality-related, as indicated by the CVSS score which rates confidentiality impact as high, but integrity and availability are not affected.

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Mitigation Strategies

To mitigate this vulnerability, ensure that you do not open malicious files in affected versions of Adobe InDesign Desktop (versions 20.5.2, 21.2 and earlier).

Consider updating Adobe InDesign Desktop to a version later than 21.2 if available, as the vulnerability affects versions 21.2 and earlier.

Educate users to avoid opening files from untrusted or unknown sources to prevent exploitation that requires user interaction.

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Compliance Impact

This vulnerability could lead to memory exposure, allowing an attacker to disclose sensitive information stored in memory if a user opens a malicious file.

Such exposure of sensitive information may impact compliance with data protection regulations like GDPR and HIPAA, which require safeguarding personal and sensitive data against unauthorized disclosure.

However, exploitation requires user interaction, which may influence the risk assessment and mitigation strategies under these standards.

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