CVE-2021-34836 Explained : Impact and Mitigation
Discover the details of CVE-2021-34836, a high severity vulnerability in Foxit PDF Reader 11.0.0.49893 that allows remote attackers to execute arbitrary code. Learn about the impact, technical details, and mitigation steps.
A detailed analysis of CVE-2021-34836, a vulnerability in Foxit PDF Reader 11.0.0.49893 that allows remote attackers to execute arbitrary code.
Understanding CVE-2021-34836
This section delves into the critical aspects of the CVE-2021-34836 vulnerability in Foxit PDF Reader 11.0.0.49893.
What is CVE-2021-34836?
CVE-2021-34836 is a security vulnerability in Foxit PDF Reader 11.0.0.49893 that enables remote attackers to execute arbitrary code by exploiting a flaw in the handling of Annotation objects.
The Impact of CVE-2021-34836
The vulnerability has a CVSS base score of 7.8, indicating a high severity impact with confidentiality, integrity, and availability being significantly impacted. Attackers can execute code by tricking users into visiting malicious websites or opening tainted files.
Technical Details of CVE-2021-34836
This section provides technical insights into the vulnerability including its description, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw arises from the failure to validate the existence of an object before applying operations on the object. This allows threat actors to run malicious code within the target process.
Affected Systems and Versions
Foxit PDF Reader version 11.0.0.49893 is confirmed to be affected by this vulnerability.
Exploitation Mechanism
User interaction is necessary for exploitation, requiring victims to interact with malicious content leading to arbitrary code execution.
Mitigation and Prevention
In light of CVE-2021-34836, users and organizations should take immediate mitigating measures alongside long-term security practices.
Immediate Steps to Take
Users must refrain from interacting with unsolicited or suspicious links, files, and websites to prevent exploitation of the vulnerability.
Long-Term Security Practices
Regularly update Foxit PDF Reader to the latest version and follow safe browsing habits to mitigate the risk of such security flaws.
Patching and Updates
Stay informed about security updates released by Foxit and apply patches promptly to safeguard systems from potential cyber threats.