Learn about CVE-2022-34237 affecting Adobe Acrobat Reader versions with a Use After Free vulnerability leading to information disclosure. Understand the impact, technical details, and mitigation steps.
Adobe Acrobat Reader DC Font Parsing Use-After-Free Information Disclosure Vulnerability is a security flaw affecting certain versions of Adobe Acrobat Reader. This CVE was published on July 12, 2022.
Understanding CVE-2022-34237
This section provides insights into the nature of the vulnerability and its potential impact.
What is CVE-2022-34237?
CVE-2022-34237 is a Use After Free vulnerability in Adobe Acrobat Reader versions 22.001.20142, 20.005.30334, and 17.012.30229. Exploiting this flaw could enable an attacker to access sensitive memory, bypass mitigations like ASLR, and necessitates user interaction.
The Impact of CVE-2022-34237
The vulnerability poses a medium-severity risk with high confidentiality impact. With a CVSS base score of 5.5, this flaw requires low attack complexity and local vector with user interaction.
Technical Details of CVE-2022-34237
This section delves into the specifics of the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
CVE-2022-34237 involves a Use After Free issue that could be exploited to disclose sensitive memory, undermining system security.
Affected Systems and Versions
Adobe Acrobat Reader versions 22.001.20142, 20.005.30334, and 17.012.30229 are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
An attacker could craft a malicious file to exploit the Use After Free vulnerability, necessitating user interaction for successful exploitation.
Mitigation and Prevention
To safeguard systems from CVE-2022-34237, prompt actions and long-term security practices are essential.
Immediate Steps to Take
Users should update Adobe Acrobat Reader to non-vulnerable versions and exercise caution when opening files from untrusted sources.
Long-Term Security Practices
Implementing robust cybersecurity measures, such as regular software updates, security trainings, and monitoring for unusual activities, can enhance overall security.
Patching and Updates
Adobe may release patches or security updates to address CVE-2022-34237. Stay informed about security advisories and apply patches promptly for protection.