Executive Summary

This vulnerability is a Use After Free issue found in Adobe InDesign Desktop versions 20.5.2, 21.2 and earlier. It occurs when the software improperly handles memory, allowing an attacker to execute arbitrary code within the context of the current user.

To exploit this vulnerability, an attacker must trick a user into opening a malicious file, which then triggers the vulnerability.

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Impact Analysis

If exploited, this vulnerability can allow an attacker to execute arbitrary code with the same privileges as the current user. This could lead to unauthorized actions such as installing malware, stealing data, or modifying files.

Because exploitation requires user interaction, the risk depends on whether a user opens a malicious file.

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Mitigation Strategies

To mitigate this vulnerability, ensure that users 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 where this Use After Free vulnerability is fixed.

Educate users about the risks of opening files from untrusted sources to reduce the chance of exploitation.

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