CVE-2020-18750 : What You Need to Know

CVE-2020-18750 is a vulnerability in pdf2json 0.69 that allows local users to execute arbitrary code through a crafted PDF file.

Understanding CVE-2020-18750

This CVE entry describes a buffer overflow vulnerability in pdf2json 0.69, enabling local users to run arbitrary code by manipulating a specially crafted PDF file.

What is CVE-2020-18750?

The CVE-2020-18750 vulnerability in pdf2json 0.69 permits local users to execute arbitrary code by exploiting a buffer overflow when processing a maliciously crafted PDF file.

The Impact of CVE-2020-18750

The impact of this vulnerability is severe as it allows unauthorized local users to execute arbitrary code on the affected system, potentially leading to system compromise and data breaches.

Technical Details of CVE-2020-18750

This section provides more technical insights into the CVE-2020-18750 vulnerability.

Vulnerability Description

The vulnerability is a buffer overflow issue in pdf2json 0.69 that arises when processing a specifically crafted PDF file, enabling local users to execute arbitrary code.

Affected Systems and Versions

Affected Product: pdf2json 0.69
Affected Version: n/a

Exploitation Mechanism

The vulnerability can be exploited by local users who have access to the system to create and execute a specially crafted PDF file, triggering the buffer overflow and executing arbitrary code.

Mitigation and Prevention

To address CVE-2020-18750, follow these mitigation and prevention strategies:

Immediate Steps to Take

Disable pdf2json 0.69 if not essential for operations.
Implement file input validation to prevent the processing of malicious PDF files.
Monitor system logs for any suspicious activities related to PDF file processing.

Long-Term Security Practices

Regularly update pdf2json to the latest secure version.
Conduct security training for users to recognize and report suspicious activities.
Implement the principle of least privilege to restrict user access and actions.

Patching and Updates

Apply patches or updates provided by the pdf2json vendor to fix the buffer overflow vulnerability.