CVE-2021-34848 : Security Advisory and Response

A critical vulnerability in Foxit PDF Reader 11.0.0.49893 allows remote attackers to execute arbitrary code. User interaction is required for exploitation by visiting a malicious page or opening a harmful file.

Understanding CVE-2021-34848

This CVE discloses a flaw in Foxit PDF Reader 11.0.0.49893, enabling attackers to run arbitrary code with high severity impact.

What is CVE-2021-34848?

The vulnerability in Foxit PDF Reader 11.0.0.49893 permits remote threat actors to execute code in the context of the current process by exploiting issues in Annotation object handling.

The Impact of CVE-2021-34848

With a CVSS base score of 7.8 and high severity impacts on confidentiality, integrity, and availability, this vulnerability poses a significant threat to affected systems.

Technical Details of CVE-2021-34848

The technical aspects of CVE-2021-34848 involve a Use After Free flaw, affecting Foxit PDF Reader 11.0.0.49893.

Vulnerability Description

The vulnerability arises due to improper validation of objects, allowing attackers to execute arbitrary code in affected installations.

Affected Systems and Versions

Foxit PDF Reader version 11.0.0.49893 is impacted by this vulnerability.

Exploitation Mechanism

User interaction is necessary for exploitation, where attackers can leverage malicious pages or files to execute code on the target system.

Mitigation and Prevention

Addressing CVE-2021-34848 promptly is crucial to prevent potential security breaches.

Immediate Steps to Take

Users are advised to update Foxit PDF Reader to a non-vulnerable version and avoid interacting with suspicious or untrusted files.

Long-Term Security Practices

Implementing robust security measures, such as endpoint protection and user awareness training, can enhance overall security posture.

Patching and Updates

Regularly applying security patches and updates from Foxit can help mitigate the risk of exploitation.