CVE-2020-16290 : What You Need to Know

A buffer overflow vulnerability in jetp3852_print_page() in devices/gdev3852.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

Understanding CVE-2020-16290

This CVE involves a buffer overflow vulnerability in GhostScript that could be exploited by a remote attacker to trigger a denial of service attack.

What is CVE-2020-16290?

The vulnerability in jetp3852_print_page() in devices/gdev3852.c of GhostScript v9.50 enables an attacker to disrupt services by using a specially crafted PDF file.

The Impact of CVE-2020-16290

The exploitation of this vulnerability could lead to a denial of service condition, potentially affecting the availability of services relying on the vulnerable GhostScript version.

Technical Details of CVE-2020-16290

This section provides more technical insights into the vulnerability.

Vulnerability Description

The buffer overflow vulnerability in jetp3852_print_page() in devices/gdev3852.c of GhostScript v9.50 allows attackers to disrupt services by exploiting a crafted PDF file.

Affected Systems and Versions

Product: Artifex Software GhostScript v9.50
Version: All versions prior to v9.51

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending a maliciously crafted PDF file to the target system, triggering the buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2020-16290 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GhostScript to version 9.51 or the latest available release to mitigate the vulnerability.
Implement network security measures to prevent unauthorized access to vulnerable systems.

Long-Term Security Practices

Regularly monitor and patch software vulnerabilities to stay protected against emerging threats.
Conduct security assessments and audits to identify and address potential weaknesses in the system.

Patching and Updates

Apply security patches provided by the vendor promptly to address known vulnerabilities and enhance system security.