CVE-2020-17416 Explained : Impact and Mitigation

A vulnerability in Foxit Reader 10.0.0.35798 allows remote attackers to execute arbitrary code by exploiting a flaw in parsing JPEG2000 images.

Understanding CVE-2020-17416

This CVE involves a critical vulnerability in Foxit Reader that requires user interaction to be exploited.

What is CVE-2020-17416?

This vulnerability enables remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.0.0.35798. The flaw lies in the parsing of JPEG2000 images, allowing attackers to execute code within the current process.

The Impact of CVE-2020-17416

The vulnerability has a CVSS base score of 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the system.

Technical Details of CVE-2020-17416

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The flaw results from inadequate validation of user-supplied data, leading to a write past the end of an allocated structure, which attackers can leverage to execute code.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 10.0.0.35798

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
User Interaction: Required
Privileges Required: None
Scope: Unchanged
Impact: High

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to the latest version.
Avoid visiting suspicious or untrusted websites.
Be cautious when opening files from unknown sources.

Long-Term Security Practices

Regularly update software and applications.
Implement security measures like firewalls and antivirus programs.
Educate users on safe browsing habits and file handling.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.