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Vulnerability DatabaseCVE-2021-28558

CVE-2021-28558: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Overview

A heap-based buffer overflow vulnerability (CVE-2021-28558) was discovered in Adobe Acrobat Reader DC's PDFLibTool component, affecting versions 2021.001.20150 and earlier, 2020.001.30020 and earlier, and 2017.011.30194 and earlier. The vulnerability was disclosed and published on September 2, 2021 (NVD).

Technical details

The vulnerability is classified as a heap-based buffer overflow (CWE-122) in the PDFLibTool component. It received a CVSS v3.0 base score of 8.8 (HIGH) with the vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating network accessibility with low attack complexity and no privileges required, though user interaction is necessary (NVD).

Impact

If successfully exploited, this vulnerability could allow an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. The exploitation requires user interaction, specifically opening a malicious file (NVD).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users should update to the latest versions of the affected software as detailed in Adobe's security bulletin (Adobe Advisory).

Community reactions

The vulnerability was discovered and reported by Haboob Labs, among several other vulnerabilities in Adobe products (Adobe Advisory).

Additional resources

Source: This report was generated using AI

Related Adobe Acrobat Reader Continuous vulnerabilities:

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Technologies

Component name

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Has fix

Published date

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