CVE-2023-44359 : Exploit Details and Defense Strategies
Learn about CVE-2023-44359 affecting Adobe Acrobat Reader DC versions, a Use After Free vulnerability that could lead to arbitrary code execution. Take immediate steps for mitigation.
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. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Understanding CVE-2023-44359
This vulnerability impacts Adobe Acrobat Reader software, potentially allowing an attacker to execute arbitrary code on the victim's device.
What is CVE-2023-44359?
The CVE-2023-44359, also known as ZDI-CAN-21936, is a Use After Free vulnerability in Adobe Acrobat Reader that could lead to remote code execution.
The Impact of CVE-2023-44359
The impact of this vulnerability is rated as HIGH, with a CVSSv3 Base Score of 7.8, indicating a severe threat with significant consequences for affected users.
Technical Details of CVE-2023-44359
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability originates in font parsing, allowing an attacker to exploit memory corruption leading to a Use After Free condition.
Affected Systems and Versions
Adobe Acrobat Reader versions 23.006.20360 and 20.005.30524, and potentially earlier versions, are affected by this vulnerability.
Exploitation Mechanism
Successful exploitation involves tricking a user into opening a specially crafted malicious file that triggers the vulnerability.
Mitigation and Prevention
Understanding the steps to mitigate and prevent exploitation of CVE-2023-44359 is crucial.
Immediate Steps to Take
Users are advised to update Adobe Acrobat Reader to the latest version to patch the vulnerability promptly. Additionally, exercise caution while opening files from untrusted sources.
Long-Term Security Practices
Implementing secure file handling practices and staying informed about software vulnerabilities are essential for long-term security.
Patching and Updates
Regularly check for security updates from Adobe and apply patches promptly to safeguard against known vulnerabilities.