CVE-2021-38564 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-38564, an out-of-bounds read vulnerability discovered in Foxit PDF Reader and PDF Editor.

Understanding CVE-2021-38564

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-38564.

What is CVE-2021-38564?

CVE-2021-38564 is a security issue found in Foxit PDF Reader and PDF Editor versions before 11.0.1, leading to an out-of-bounds read vulnerability through util.scand.

The Impact of CVE-2021-38564

The vulnerability in Foxit PDF Reader and PDF Editor before 11.0.1 allows attackers to perform out-of-bounds reads, potentially leading to information disclosure or further exploitation.

Technical Details of CVE-2021-38564

Explore the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw in Foxit PDF Reader and PDF Editor versions before 11.0.1 enables unauthorized out-of-bounds data access using util.scand, posing a risk to data integrity.

Affected Systems and Versions

All versions of Foxit PDF Reader and PDF Editor prior to 11.0.1 are impacted by CVE-2021-38564, making them susceptible to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the out-of-bounds read issue via the util.scand function, potentially leading to sensitive data exposure.

Mitigation and Prevention

Discover the immediate steps and best practices to safeguard systems against CVE-2021-38564.

Immediate Steps to Take

Users are advised to update Foxit PDF Reader and PDF Editor to version 11.0.1 or newer to mitigate the risk of exploitation from CVE-2021-38564.

Long-Term Security Practices

Implementing robust security measures, such as regular software updates and employee awareness training, can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security advisories from Foxit and apply patches promptly to address any newly identified vulnerabilities.