PT-2021-3424 · Adobe · Acrobat Reader
Published
2021-05-11
·
Updated
2021-11-04
·
CVE-2021-28562
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Adobe Acrobat Reader DC versions 2021.001.20150 and earlier
Adobe Acrobat Reader DC versions 2020.001.30020 and earlier
Adobe Acrobat Reader DC versions 2017.011.30194 and earlier
Description
The issue is related to a Use After Free vulnerability when executing search queries through Javascript, allowing an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. Exploitation requires user interaction, where a victim must open a malicious file. This vulnerability can be leveraged by an attacker to execute arbitrary code in the system using a specially crafted PDF file.
Recommendations
For Adobe Acrobat Reader DC versions 2021.001.20150 and earlier, update to a version later than 2021.001.20150 to resolve the issue.
For Adobe Acrobat Reader DC versions 2020.001.30020 and earlier, update to a version later than 2020.001.30020 to resolve the issue.
For Adobe Acrobat Reader DC versions 2017.011.30194 and earlier, update to a version later than 2017.011.30194 to resolve the issue.
As a temporary workaround, consider disabling Javascript execution in Adobe Acrobat Reader DC until a patch is available.
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Acrobat Reader