CVE-2020-16309 : Exploit Details and Defense Strategies

A buffer overflow vulnerability in lxm5700m_print_page() in devices/gdevlxm.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted eps file. This is fixed in v9.51.

Understanding CVE-2020-16309

This CVE involves a buffer overflow vulnerability in GhostScript v9.50 that could be exploited by a remote attacker to trigger a denial of service attack.

What is CVE-2020-16309?

The vulnerability in lxm5700m_print_page() in devices/gdevlxm.c of GhostScript v9.50 enables an attacker to disrupt services by using a specially crafted eps file.

The Impact of CVE-2020-16309

The vulnerability allows a remote attacker to execute a denial of service attack on systems running GhostScript v9.50.

Technical Details of CVE-2020-16309

This section provides more technical insights into the CVE.

Vulnerability Description

The buffer overflow vulnerability in lxm5700m_print_page() in devices/gdevlxm.c of GhostScript v9.50 allows attackers to disrupt services through a crafted eps file.

Affected Systems and Versions

Affected Version: GhostScript v9.50
Unaffected Version: GhostScript v9.51

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending a maliciously crafted eps file to the target system.

Mitigation and Prevention

Protecting systems from CVE-2020-16309 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GhostScript to version 9.51 to mitigate the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security audits and vulnerability assessments to identify and address potential risks.

Patching and Updates

Apply the security patch provided by Artifex Software by upgrading to GhostScript v9.51.