Learn about CVE-2023-44367 affecting Adobe Acrobat Reader versions. Find out the impact, technical details, and mitigation strategies for this Use After Free vulnerability.
Adobe Acrobat Reader versions 23.006.20360 (and earlier) and 20.005.30524 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Learn about the impact, technical details, and mitigation strategies for this CVE.
Understanding CVE-2023-44367
Adobe Acrobat Reader DC Font Parsing Use-After-Free Remote Code Execution Vulnerability.
What is CVE-2023-44367?
CVE-2023-44367 is a Use After Free vulnerability in Adobe Acrobat Reader versions, allowing arbitrary code execution in the user's context.
The Impact of CVE-2023-44367
The vulnerability can be exploited by opening a malicious file, leading to arbitrary code execution, posing a high risk to confidentiality, integrity, and availability.
Technical Details of CVE-2023-44367
The vulnerability is classified as CWE-416 (Use After Free) and has a CVSS v3.1 base score of 7.8 (High).
Vulnerability Description
The Use After Free flaw in Adobe Acrobat Reader may be exploited locally with low attack complexity. It requires user interaction through opening a malicious file.
Affected Systems and Versions
Adobe Acrobat Reader versions 23.006.20360 and 20.005.30524 (and earlier) are impacted by this vulnerability.
Exploitation Mechanism
Exploiting the vulnerability involves a Font Parsing Use-After-Free issue, enabling remote attackers to execute arbitrary code.
Mitigation and Prevention
To protect systems from CVE-2023-44367, immediate actions and long-term security practices need to be implemented.
Immediate Steps to Take
Users should update Adobe Acrobat Reader to the latest secure version and avoid opening files from untrusted sources.
Long-Term Security Practices
Regularly update software, use security tools, and educate users on safe file handling practices to enhance overall security.
Patching and Updates
Adobe has released security advisory APSB23-54 to address the vulnerability. Ensure timely installation of patches to safeguard systems.