What is CVE-2023-21620?

CVE-2023-21620 is a vulnerability in FrameMaker 2020 Update 4 (and earlier) and 2022 (and earlier) that allows for an out-of-bounds read, potentially leading to the disclosure of sensitive memory.

How does CVE-2023-21620 affect Adobe FrameMaker?

Adobe FrameMaker versions 2020 Update 4 (and earlier) and 2022 (and earlier) are affected by CVE-2023-21620, which can be exploited to disclose sensitive memory.

Can CVE-2023-21620 bypass ASLR?

Yes, CVE-2023-21620 allows an attacker to bypass Address Space Layout Randomization (ASLR) mitigations.

What is the severity rating of CVE-2023-21620?

CVE-2023-21620 has a severity rating of 5.5 (Medium).

How can I fix CVE-2023-21620 in FrameMaker?

To fix CVE-2023-21620 in FrameMaker, it is recommended to update to the latest version provided by Adobe.

Vulnerability/
CVE-2023-21620

medium

5.5

CWE

125

17/2/2023

2/8/2024

CVE-2023-21620: Adobe FrameMaker Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Fri Feb 17 2023(Updated: )

FrameMaker 2020 Update 4 (and earlier), 2022 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
Adobe Framemaker	<=2020.0.4
Adobe Framemaker	=2022
Microsoft Windows

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Reference Links

https://helpx.adobe.com/security/products/framemaker/apsb23-06.html

Frequently Asked Questions

What is CVE-2023-21620?
CVE-2023-21620 is a vulnerability in FrameMaker 2020 Update 4 (and earlier) and 2022 (and earlier) that allows for an out-of-bounds read, potentially leading to the disclosure of sensitive memory.
How does CVE-2023-21620 affect Adobe FrameMaker?
Adobe FrameMaker versions 2020 Update 4 (and earlier) and 2022 (and earlier) are affected by CVE-2023-21620, which can be exploited to disclose sensitive memory.
Can CVE-2023-21620 bypass ASLR?
Yes, CVE-2023-21620 allows an attacker to bypass Address Space Layout Randomization (ASLR) mitigations.
What is the severity rating of CVE-2023-21620?
CVE-2023-21620 has a severity rating of 5.5 (Medium).
How can I fix CVE-2023-21620 in FrameMaker?
To fix CVE-2023-21620 in FrameMaker, it is recommended to update to the latest version provided by Adobe.

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vendor/adobe
canonical/adobe framemaker
version/adobe framemaker/2020.0.4
version/adobe framemaker/2022
vendor/microsoft
canonical/microsoft windows

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