CVE-2020-8847 : Vulnerability Insights and Analysis

A vulnerability in Foxit Reader 9.7.0.29455 allows remote attackers to execute arbitrary code by exploiting a flaw in processing JPEG2000 files.

Understanding CVE-2020-8847

This CVE involves a high-severity vulnerability in Foxit Reader version 9.7.0.29455, potentially enabling attackers to execute malicious code.

What is CVE-2020-8847?

The vulnerability permits remote attackers to execute arbitrary code on affected Foxit Reader installations.
User interaction is necessary, requiring the target to access a malicious page or open a malicious file.
The issue lies in the processing of JPEG2000 files due to inadequate validation of user-supplied data.

The Impact of CVE-2020-8847

CVSS Score: 7.8 (High)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
User Interaction: Required

Technical Details of CVE-2020-8847

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw allows attackers to write past the end of an allocated structure, leading to code execution within the current process.

Affected Systems and Versions

Affected Product: Foxit Reader
Affected Version: 9.7.0.29455

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating JPEG2000 files, triggering code execution.

Mitigation and Prevention

Protecting systems from CVE-2020-8847 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to the latest version to patch the vulnerability.
Avoid opening files or visiting websites from untrusted or suspicious sources.

Long-Term Security Practices

Regularly update software and applications to mitigate potential security risks.
Implement robust cybersecurity measures to prevent and detect malicious activities.

Patching and Updates

Foxit Software provides security bulletins with patches to address vulnerabilities.