Stack-based Buffer Overflow in Adobe Acrobat Reader

Executive Summary

This vulnerability is a stack-based buffer overflow found in certain versions of Acrobat Reader (24.001.30365, 26.001.21651 and earlier). It occurs when a user opens a specially crafted malicious file, which can cause the program to overwrite parts of memory on the stack.

Exploiting this flaw could allow an attacker to execute arbitrary code with the privileges of the current user, potentially taking control of the affected system.

However, exploitation requires user interaction, meaning the victim must open the malicious file for the attack to succeed.

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Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution on your system with the same privileges as the user running Acrobat Reader.

This could allow attackers to install malware, steal data, or perform other malicious actions without your consent.

Since exploitation requires opening a malicious file, the risk can be mitigated by avoiding untrusted files and keeping Acrobat Reader updated.

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Mitigation Strategies

To mitigate this vulnerability, ensure that users do not open malicious files with affected versions of Acrobat Reader.

Updating Acrobat Reader to a version later than 24.001.30365 or 26.001.21651, once available, is recommended to address the stack-based buffer overflow issue.

Additionally, educating users about the risks of opening untrusted files can help reduce exploitation.

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