CVE-2019-14812 : Vulnerability Insights and Analysis

An issue has been discovered in all versions of Ghostscript between 9.x and 9.50, allowing attackers to bypass security restrictions and potentially gain unauthorized access to the file system.

Understanding CVE-2019-14812

This CVE pertains to a vulnerability in Ghostscript versions 9.x before 9.50 that could be exploited by malicious actors to execute arbitrary commands.

What is CVE-2019-14812?

The vulnerability exists in the .setuserparams2 procedure of Ghostscript, enabling scripts to bypass security restrictions.
Attackers can leverage a specially crafted PostScript file to disable security protections and execute unauthorized commands.

The Impact of CVE-2019-14812

CVSS Base Score: 7.3 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: Low

Technical Details of CVE-2019-14812

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in Ghostscript versions 9.x before 9.50 allows scripts to circumvent

-dSAFER

restrictions.
By exploiting this vulnerability, attackers can disable security protections and execute arbitrary commands.

Affected Systems and Versions

Product: Ghostscript
Vendor: Red Hat
Versions Affected: All Ghostscript versions 9.x before 9.50

Exploitation Mechanism

Attackers can exploit the vulnerability by utilizing a carefully crafted PostScript file to bypass security restrictions.

Mitigation and Prevention

Protect your systems from CVE-2019-14812 by following these mitigation strategies.

Immediate Steps to Take

Update Ghostscript to version 9.50 or later to mitigate the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update software and apply security patches to prevent exploitation of known vulnerabilities.

Patching and Updates

Stay informed about security advisories from Red Hat and Ghostscript to apply patches promptly.