CVE-2020-19474 : Exploit Details and Defense Strategies

An issue has been found in function Gfx::doShowText in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a Use After Free.

Understanding CVE-2020-19474

This CVE involves a vulnerability in PDF2JSON 0.70 that can be exploited to trigger a Denial of Service attack.

What is CVE-2020-19474?

The vulnerability in function Gfx::doShowText in PDF2JSON 0.70 enables attackers to execute a Denial of Service attack by exploiting a Use After Free condition.

The Impact of CVE-2020-19474

The exploitation of this vulnerability can lead to a Denial of Service, potentially disrupting the availability of the affected system or application.

Technical Details of CVE-2020-19474

This section provides more technical insights into the CVE.

Vulnerability Description

The issue lies in the function Gfx::doShowText in PDF2JSON 0.70, allowing attackers to exploit a Use After Free scenario.

Affected Systems and Versions

Product: PDF2JSON 0.70
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger a Denial of Service attack by leveraging the Use After Free flaw.

Mitigation and Prevention

Protecting systems from CVE-2020-19474 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches or updates provided by the software vendor.
Consider implementing network-level protections to mitigate potential exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address vulnerabilities promptly.
Educate users and IT staff on best practices for secure coding and application development.

Patching and Updates

Regularly monitor for security advisories and updates related to PDF2JSON to ensure that any patches addressing CVE-2020-19474 are applied promptly.