CVE-2019-17148 : Security Advisory and Response

A security weakness in Parallels Desktop version 14.1.3 (45485) allows local attackers to gain higher privileges by exploiting a vulnerability within the Parallels Service.

Understanding CVE-2019-17148

This CVE involves a privilege escalation vulnerability in Parallels Desktop version 14.1.3 (45485).

What is CVE-2019-17148?

The vulnerability in Parallels Desktop version 14.1.3 (45485) enables local attackers to elevate their privileges by executing code with root access.

The Impact of CVE-2019-17148

CVSS Score: 7.8 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-17148

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from the failure to validate user-supplied input before using it in a system call within the Parallels Service.

Affected Systems and Versions

Affected Product: Parallels Desktop
Affected Version: 14.1.3 (45485)

Exploitation Mechanism

To exploit this vulnerability, the attacker must be able to run low-privileged code on the guest system.

Mitigation and Prevention

Protect your system from CVE-2019-17148 with the following steps:

Immediate Steps to Take

Update Parallels Desktop to the latest version.
Avoid running untrusted code on the guest system.

Long-Term Security Practices

Implement the principle of least privilege for user accounts.
Regularly monitor and audit system calls and user inputs.

Patching and Updates

Stay informed about security updates for Parallels Desktop.