CVE-2022-28679 : Exploit Details and Defense Strategies

This article provides insights into CVE-2022-28679, a vulnerability that affects Foxit PDF Reader version 11.2.1.53537.

Understanding CVE-2022-28679

CVE-2022-28679 is a vulnerability discovered by Mat Powell of Trend Micro Zero Day Initiative. It allows remote attackers to execute arbitrary code on systems running Foxit PDF Reader 11.2.1.53537.

What is CVE-2022-28679?

This vulnerability in Foxit PDF Reader 11.2.1.53537 enables attackers to run malicious code by exploiting a flaw related to handling Annotation objects. The lack of validation on objects before executing operations allows the attacker to gain control over the current process.

The Impact of CVE-2022-28679

The impact of CVE-2022-28679 is rated as high with a base severity score of 7.8. Successful exploitation requires user interaction, such as visiting a malicious webpage or opening a corrupted file. The attack complexity is low, but the confidentiality, integrity, and availability of the system are significantly compromised.

Technical Details of CVE-2022-28679

This section provides more technical insights into the vulnerability.

Vulnerability Description

The root of the vulnerability lies in the mishandling of Annotation objects, where operations are performed without prior validation of the object's existence, leading to code execution.

Affected Systems and Versions

Foxit PDF Reader version 11.2.1.53537 is affected by this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, an attacker must trick a user into interacting with a malicious page or file, allowing the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2022-28679 involves immediate actions and long-term security practices.

Immediate Steps to Take

Users should update Foxit PDF Reader to the latest version to address this vulnerability. Avoid interacting with suspicious links or files to prevent exploitation.

Long-Term Security Practices

Implement a robust security policy, educate users on safe browsing habits, and regularly update software and security patches.

Patching and Updates

Foxit may release security patches and updates to fix CVE-2022-28679. Stay informed about the latest security advisories and apply patches promptly.