CVE-2023-38247 : Vulnerability Insights and Analysis
Learn about CVE-2023-38247, an out-of-bounds read vulnerability impacting Adobe Acrobat Reader versions. Find out the impact, affected systems, exploitation details, and mitigation steps.
This article provides detailed information about CVE-2023-38247, an out-of-bounds read vulnerability affecting Adobe Acrobat Reader versions that could lead to the disclosure of sensitive memory.
Understanding CVE-2023-38247
CVE-2023-38247 is an out-of-bounds read vulnerability in Adobe Acrobat Reader, allowing an attacker to potentially access sensitive memory data.
What is CVE-2023-38247?
Adobe Acrobat Reader versions 23.003.20244 and earlier, as well as 20.005.30467 and earlier, are impacted by this vulnerability. It could enable an attacker to bypass mitigation measures like ASLR by exploiting the issue, requiring user interaction through the opening of a malicious file.
The Impact of CVE-2023-38247
The vulnerability poses a medium-severity risk with a CVSS base score of 5.5. It mainly affects confidentiality, with a high impact on the disclosure of sensitive information. The attack complexity is low, and it requires local access.
Technical Details of CVE-2023-38247
This section covers specific technical aspects of the CVE-2023-38247 vulnerability.
Vulnerability Description
CVE-2023-38247 involves an out-of-bounds read issue in Adobe Acrobat Reader, allowing for potential memory disclosure and the bypassing of ASLR mitigations.
Affected Systems and Versions
Adobe Acrobat Reader versions 23.003.20244 and earlier, as well as 20.005.30467 and earlier, are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
Exploiting CVE-2023-38247 requires user interaction, as an attacker must trick a victim into opening a specially crafted malicious file to execute the attack.
Mitigation and Prevention
To safeguard against CVE-2023-38247, it is essential to undertake immediate steps and adopt long-term security practices.
Immediate Steps to Take
Users are advised to update Adobe Acrobat Reader to the latest version to mitigate the risk of exploitation. Exercise caution while opening PDF files from untrusted sources.
Long-Term Security Practices
Implementing robust security measures, such as keeping software updated, maintaining a layered defense approach, and educating users about potential threats, can enhance overall security posture.
Patching and Updates
Adobe has released security updates to address CVE-2023-38247. It is crucial to apply these patches promptly to protect systems from potential exploitation.