CVE-2022-34238 : Security Advisory and Response
Learn about CVE-2022-34238 affecting Adobe Acrobat Reader DC versions, allowing attackers to disclose sensitive memory through an out-of-bounds read issue. Discover mitigation steps and the impact of this vulnerability.
Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Understanding CVE-2022-34238
This CVE record pertains to an out-of-bounds read vulnerability affecting Adobe Acrobat Reader DC versions.
What is CVE-2022-34238?
The vulnerability in Acrobat Reader versions 22.001.20142 and earlier allows an attacker to read sensitive memory data, potentially leading to information disclosure. Exploiting this issue requires user interaction by opening a malicious file.
The Impact of CVE-2022-34238
The impact of this vulnerability is rated as medium severity with high confidentiality impact. Attackers could exploit this vulnerability to bypass security measures like ASLR.
Technical Details of CVE-2022-34238
This section provides a deeper look into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability is classified as an out-of-bounds read (CWE-125), exposing sensitive memory content to attackers. It requires the victim to interact with a malicious file to exploit the issue.
Affected Systems and Versions
Adobe Acrobat Reader DC versions 22.001.20142 and earlier are affected by this vulnerability.
Exploitation Mechanism
Exploiting this vulnerability involves leveraging an out-of-bounds read capability to access sensitive memory data and bypass security mitigations.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-34238, certain steps must be taken to enhance security measures.
Immediate Steps to Take
Users are advised to update their Adobe Acrobat Reader DC to the latest version to prevent exploitation of this vulnerability.
Long-Term Security Practices
Adopting a proactive approach to software security, staying informed about security updates, and employing best security practices can help prevent such vulnerabilities.
Patching and Updates
Regularly updating software applications and promptly applying security patches from Adobe is crucial to stay protected from potential security threats.