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CVE-2020-19464 : Exploit Details and Defense Strategies

Learn about CVE-2020-19464, a vulnerability in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a stack overflow. Find out how to mitigate this issue and prevent exploitation.

PDF2JSON 0.70 has a vulnerability in function XRef::fetch that can lead to a Denial of Service due to a stack overflow.

Understanding CVE-2020-19464

This CVE involves a vulnerability in PDF2JSON 0.70 that can be exploited by attackers to cause a Denial of Service through a stack overflow.

What is CVE-2020-19464?

The vulnerability in function XRef::fetch in PDF2JSON 0.70 allows attackers to trigger a stack overflow, leading to a Denial of Service.

The Impact of CVE-2020-19464

The vulnerability can be exploited by malicious actors to disrupt the availability of the affected system, potentially causing service downtime.

Technical Details of CVE-2020-19464

PDF2JSON 0.70 is susceptible to a stack overflow vulnerability in the XRef::fetch function.

Vulnerability Description

The issue in function XRef::fetch in PDF2JSON 0.70 enables attackers to exploit a stack overflow, resulting in a Denial of Service condition.

Affected Systems and Versions

        Product: PDF2JSON 0.70
        Vendor: N/A
        Version: N/A

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting malicious inputs to trigger a stack overflow in the XRef::fetch function.

Mitigation and Prevention

To address CVE-2020-19464, follow these steps:

Immediate Steps to Take

        Apply security patches or updates provided by the vendor.
        Implement input validation mechanisms to prevent malicious inputs.
        Monitor system logs for any unusual activity that may indicate exploitation attempts.

Long-Term Security Practices

        Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
        Stay informed about security advisories related to PDF2JSON and other software components.

Patching and Updates

        Regularly check for updates or patches released by the PDF2JSON vendor to mitigate the vulnerability.

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