CVE-2021-34852 : Vulnerability Insights and Analysis
Learn about CVE-2021-34852, a high-severity vulnerability in Foxit PDF Reader 11.0.0.49893 that allows remote attackers to execute arbitrary code. Find out the impact, affected systems, and mitigation strategies.
A detailed article about the CVE-2021-34852 vulnerability in Foxit PDF Reader 11.0.0.49893.
Understanding CVE-2021-34852
This article provides insights into the impact, technical details, mitigation, and prevention strategies related to CVE-2021-34852.
What is CVE-2021-34852?
CVE-2021-34852 is a vulnerability in Foxit PDF Reader 11.0.0.49893 that allows remote attackers to execute arbitrary code. The flaw exists in the handling of Annotation objects, enabling attackers to exploit it by luring targets to visit malicious pages or open harmful files.
The Impact of CVE-2021-34852
The vulnerability has a CVSS v3.0 base score of 7.8, depicting a high severity level. An attacker can execute code in the context of the current process without needing any privileges, potentially leading to confidentiality, integrity, and availability impacts.
Technical Details of CVE-2021-34852
This section outlines the vulnerability description, affected systems, versions, and exploitation mechanisms.
Vulnerability Description
The flaw arises from inadequate validation of Annotation objects before executing operations, paving the way for code execution by malicious actors.
Affected Systems and Versions
Foxit PDF Reader version 11.0.0.49893 is affected by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by tricking users into interacting with malicious content such as web pages or files.
Mitigation and Prevention
Explore the necessary steps to ensure immediate protection and long-term security practices to mitigate the risks associated with CVE-2021-34852.
Immediate Steps to Take
Users should refrain from interacting with suspicious links, files, or pages. It is advised to update the Foxit PDF Reader to a patched version immediately.
Long-Term Security Practices
Regularly update software, employ security tools, and educate users about safe browsing habits to enhance overall security posture.
Patching and Updates
Stay informed about security bulletins from Foxit and apply recommended patches promptly to safeguard against known vulnerabilities.