CVE-2018-19113 : Security Advisory and Response

The Pronestor PNHM add-in, also known as Health Monitoring or HealthMonitor, had a vulnerability that allowed local users to elevate their privileges by exploiting a specific file. This CVE was published on April 1, 2019.

Understanding CVE-2018-19113

What is CVE-2018-19113?

CVE-2018-19113 refers to a security vulnerability in the Pronestor PNHM add-in before version 8.1.13.0 for Outlook. The issue arises from incorrect permissions assigned to a file, enabling local users to gain elevated privileges.

The Impact of CVE-2018-19113

The vulnerability in Pronestor PNHM add-in could be exploited by local users to escalate their privileges through a malicious file, potentially leading to unauthorized access and control over the affected system.

Technical Details of CVE-2018-19113

Vulnerability Description

The Pronestor PNHM add-in had incorrect permissions assigned to the file "PronestorHealthMonitor.exe" before version 8.1.13.0, allowing local users to exploit a Trojan horse file named PronestorHealthMonitor.exe to elevate their privileges.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Before version 8.1.13.0

Exploitation Mechanism

The vulnerability could be exploited by local users placing a malicious file named PronestorHealthMonitor.exe in the specified directory with incorrect permissions, enabling privilege escalation.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to version 8.1.13.0 or newer to mitigate the vulnerability.
Regularly monitor and review permissions assigned to critical files and directories.

Long-Term Security Practices

Implement the principle of least privilege to restrict unnecessary access rights.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities and enhance system security.