CVE-2021-44917 : Vulnerability Insights and Analysis

A Divide by Zero vulnerability exists in gnuplot 5.4 in the boundary3d function in graph3d.c, which could cause an Arithmetic exception and application crash.

Understanding CVE-2021-44917

This CVE describes a critical vulnerability in gnuplot 5.4 that could lead to an application crash due to a Divide by Zero error.

What is CVE-2021-44917?

The CVE-2021-44917 vulnerability occurs in the boundary3d function within the graph3d.c file of gnuplot 5.4. This flaw may trigger an Arithmetic exception, resulting in a crash of the application.

The Impact of CVE-2021-44917

The vulnerability could allow an attacker to exploit the Divide by Zero issue to crash the affected application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2021-44917

This section provides more detailed technical information about the CVE.

Vulnerability Description

The flaw originates in the boundary3d function in graph3d.c, where a Divide by Zero vulnerability exists, consequently causing an Arithmetic exception that could crash the application.

Affected Systems and Versions

Affected Version: gnuplot 5.4

Exploitation Mechanism

As the vulnerability lies in a crucial function of gnuplot 5.4, an attacker could exploit this issue by providing specially crafted input that triggers the Divide by Zero error, leading to the application crash.

Mitigation and Prevention

It is essential to take immediate action to prevent potential exploitation of this vulnerability.

Immediate Steps to Take

Disable or restrict access to the application if a patch is unavailable.
Monitor system logs for any unusual activities that could indicate an exploitation attempt.

Long-Term Security Practices

Regularly update the software to the latest version to apply patches and security fixes promptly.
Conduct security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Check for patches or updates provided by gnuplot to address the Divide by Zero vulnerability in version 5.4.