CVE-2020-21710 : What You Need to Know

A divide by zero issue discovered in eps_print_page in gdevepsn.c in Artifex Software GhostScript 9.50 allows remote attackers to cause a denial of service via opening of crafted PDF file.

Understanding CVE-2020-21710

This CVE identifies a specific vulnerability in Artifex Software GhostScript 9.50 that can be exploited by remote attackers to trigger a denial of service attack.

What is CVE-2020-21710?

The CVE-2020-21710 vulnerability is a divide by zero issue found in the eps_print_page function within gdevepsn.c in GhostScript 9.50. By exploiting this vulnerability, remote attackers can induce a denial of service by manipulating a specially crafted PDF file.

The Impact of CVE-2020-21710

The impact of this vulnerability is the potential for remote attackers to disrupt the normal operation of GhostScript 9.50 by causing a denial of service, leading to system unresponsiveness or crashes.

Technical Details of CVE-2020-21710

Vulnerability Description

The vulnerability arises from a divide by zero issue in the eps_print_page function within gdevepsn.c in GhostScript 9.50.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions are affected

Exploitation Mechanism

Remote attackers can exploit this vulnerability by enticing a user to open a maliciously crafted PDF file, triggering the divide by zero issue and causing a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by GhostScript to patch the vulnerability.
Avoid opening PDF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Implement network security measures to detect and prevent malicious activities.

Patching and Updates

It is crucial to promptly apply the security update released by GhostScript to address the CVE-2020-21710 vulnerability.