PT-2021-6864 · Adobe · Acrobat Reader+1
Published
2021-09-14
·
Updated
2021-11-10
·
CVE-2021-39858
CVSS v2.0
4.3
Medium
| Vector | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Adobe Acrobat Reader DC versions 2021.005.20060 and earlier
Adobe Acrobat Reader DC versions 2020.004.30006 and earlier
Adobe Acrobat Reader DC versions 2017.011.30199 and earlier
Description
The issue is related to an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction, where a victim must open a malicious file. This vulnerability affects Adobe Acrobat and Reader, allowing attackers to read arbitrary file system information.
Recommendations
For Adobe Acrobat Reader DC versions 2021.005.20060 and earlier, update to a version later than 2021.005.20060 to resolve the issue.
For Adobe Acrobat Reader DC versions 2020.004.30006 and earlier, update to a version later than 2020.004.30006 to resolve the issue.
For Adobe Acrobat Reader DC versions 2017.011.30199 and earlier, update to a version later than 2017.011.30199 to resolve the issue.
As a temporary workaround, consider avoiding the use of PostScript file parsing functionality until a patch is available.
Fix
Out of bounds Read
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Weakness Enumeration
Related Identifiers
Affected Products
Acrobat
Acrobat Reader