CVE-2020-35990 : What You Need to Know

CVE-2020-35990 is a Buffer Overflow vulnerability in the cFilenameInit parameter in the browseForDoc function in Foxit Software Foxit PDF Reader version 10.1.0.37527. This vulnerability allows local attackers to cause a denial of service (DoS) by exploiting a crafted .pdf file.

Understanding CVE-2020-35990

This section provides insights into the nature and impact of CVE-2020-35990.

What is CVE-2020-35990?

CVE-2020-35990 is a Buffer Overflow vulnerability in Foxit Software Foxit PDF Reader version 10.1.0.37527, which can be exploited by local attackers to trigger a denial of service (DoS) through a specifically crafted .pdf file.

The Impact of CVE-2020-35990

The vulnerability can lead to a DoS condition, potentially disrupting the normal operation of the affected software and causing inconvenience to users.

Technical Details of CVE-2020-35990

This section delves into the technical aspects of CVE-2020-35990.

Vulnerability Description

The vulnerability arises from improper handling of the cFilenameInit parameter in the browseForDoc function, leading to a buffer overflow condition.

Affected Systems and Versions

Vendor: Foxit Software
Product: Foxit PDF Reader
Versions Affected: 10.1.0.37527

Exploitation Mechanism

The vulnerability can be exploited by local attackers through the use of a specially crafted .pdf file to trigger the buffer overflow and initiate a DoS attack.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-35990.

Immediate Steps to Take

Avoid opening untrusted .pdf files from unknown or suspicious sources.
Consider using alternative PDF readers until a patch is available.

Long-Term Security Practices

Keep software and applications updated to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates and patches released by Foxit Software to address CVE-2020-35990.