CVE-2019-19460 : What You Need to Know

A vulnerability has been identified in SALTO ProAccess SPACE 5.4.3.0 that allows an attacker to gain extensive privileges on the file system.

Understanding CVE-2019-19460

This CVE highlights a security issue in SALTO ProAccess SPACE 5.4.3.0, enabling attackers to write to any location on the file system due to the web server's elevated permissions.

What is CVE-2019-19460?

The default configuration of the product's web server allows it to operate as a Windows service with elevated local SYSTEM permissions.
This violates the principle of least privilege, granting attackers the ability to write to any file system location.
Successful exploitation of CVE-2019-19458 or CVE-2019-19459 provides attackers with extensive privileges.

The Impact of CVE-2019-19460

Attackers exploiting this vulnerability can write to any path on the file system, compromising data integrity and confidentiality.

Technical Details of CVE-2019-19460

This section provides technical insights into the vulnerability.

Vulnerability Description

SALTO ProAccess SPACE 5.4.3.0's web server runs as a Windows service with local SYSTEM permissions by default.
This setup contradicts the principle of least privilege, allowing attackers to write to any file system location.

Affected Systems and Versions

SALTO ProAccess SPACE 5.4.3.0 is affected by this vulnerability.

Exploitation Mechanism

Attackers exploit CVE-2019-19458 or CVE-2019-19459 to gain the ability to write to any location on the file system due to the web server's extensive privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-19460 is crucial for maintaining security.

Immediate Steps to Take

Disable unnecessary services and reduce the privileges of the web server to the minimum required.
Regularly monitor and audit file system access to detect any unauthorized activities.

Long-Term Security Practices

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

Patching and Updates

Apply security patches and updates provided by SALTO to address this vulnerability.