CVE-2021-39833 : Security Advisory and Response

Adobe FrameMaker versions 2019 Update 8 and 2020 Release Update 2 are affected by an out-of-bounds read vulnerability, potentially leading to memory disclosure. This article provides insights into the CVE-2021-39833 vulnerability.

Understanding CVE-2021-39833

Adobe FrameMaker TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability affects Adobe FrameMaker versions and could allow attackers to reveal sensitive memory data.

What is CVE-2021-39833?

Adobe FrameMaker versions 2019 Update 8 and 2020 Release Update 2 have a vulnerability that could expose sensitive memory information.

The Impact of CVE-2021-39833

Attack Complexity: Low
Attack Vector: Local
Base Score: 3.3 (Low)
Confidentiality Impact: Low
Integrity Impact: None
User Interaction Required

Technical Details of CVE-2021-39833

Adobe FrameMaker TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability includes the following technical aspects:

Vulnerability Description

Out-of-bounds read vulnerability in Adobe FrameMaker versions can lead to the disclosure of sensitive memory.

Affected Systems and Versions

Products: FrameMaker
Vendor: Adobe
Affected Versions: 2019 Update 8 (and earlier), 2020 Release Update 2 (and earlier)

Exploitation Mechanism

Exploitation may occur when a victim opens a malicious TIF file, requiring user interaction.

Mitigation and Prevention

Steps to mitigate and prevent CVE-2021-39833 are crucial for system security:

Immediate Steps to Take

Apply security patches provided by Adobe promptly.
Avoid opening suspicious TIF files or consider using alternate software for TIF file handling.

Long-Term Security Practices

Regularly update FrameMaker versions to the latest releases.
Educate users on safe file handling practices and the risks associated with unknown file sources.

Patching and Updates

Stay informed about security updates from Adobe and apply them as soon as they are available to ensure protection against potential vulnerabilities.