CVE-2021-34841 Explained : Impact and Mitigation

This CVE-2021-34841 article provides insights into a critical vulnerability found in Foxit PDF Reader version 11.0.0.49893, allowing remote attackers to execute arbitrary code. Find out the impact, technical details, and mitigation steps related to this CVE.

Understanding CVE-2021-34841

CVE-2021-34841 is a high-severity vulnerability in Foxit PDF Reader that requires user interaction to exploit, potentially leading to remote code execution.

What is CVE-2021-34841?

The vulnerability in Foxit PDF Reader 11.0.0.49893 stems from a flaw in handling Annotation objects, allowing attackers to execute malicious code when a user interacts with a malicious file or page.

The Impact of CVE-2021-34841

With a CVSS base score of 7.8, the impact of CVE-2021-34841 is rated as high, affecting confidentiality, integrity, and availability. Attackers can exploit this flaw without any prior privileges.

Technical Details of CVE-2021-34841

Learn about the specific aspects of the CVE-2021-34841 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

CVE-2021-34841 involves a Use After Free weakness that allows attackers to execute arbitrary code within the context of the target process, leveraging the lack of proper object validation.

Affected Systems and Versions

Foxit PDF Reader version 11.0.0.49893 is the specific version impacted by CVE-2021-34841, exposing users to the risk of remote code execution through malicious content.

Exploitation Mechanism

Attackers need to entice a user to interact with a crafted file or webpage to trigger the vulnerability, highlighting the importance of cautious browsing habits.

Mitigation and Prevention

Discover the immediate steps and long-term practices to enhance security measures against CVE-2021-34841 and similar threats.

Immediate Steps to Take

Users are advised to update Foxit PDF Reader to a secure version, avoid interacting with suspicious files or links, and stay informed about security patches.

Long-Term Security Practices

Implement robust security practices such as regular software updates, cybersecurity training, and deploying security solutions to mitigate risks associated with potential vulnerabilities.

Patching and Updates

Foxit PDF Reader users should regularly check for security bulletins and apply recommended patches to address CVE-2021-34841 and other security vulnerabilities effectively.