CVE-2018-6374 : Exploit Details and Defense Strategies

Pulse Secure Desktop Linux clients prior to PULSE5.2R9.2 and 5.3.x before PULSE5.3R4.2 have a vulnerability related to SSL Certificate Validation in the PulseUI component.

Understanding CVE-2018-6374

This CVE involves a lack of rigorous SSL Certificate Validation in the PulseUI component of Pulse Secure Desktop Linux clients.

What is CVE-2018-6374?

The Pulse Secure Desktop Linux clients before specific versions lack proper SSL Certificate Validation in the PulseUI component, potentially allowing for unauthorized tampering with Pulse Connection settings.

The Impact of CVE-2018-6374

This vulnerability could be exploited to manipulate the Pulse Connection set, posing a risk to the integrity and security of the connection.

Technical Details of CVE-2018-6374

This section provides more technical insights into the vulnerability.

Vulnerability Description

The PulseUI component in affected Pulse Secure Desktop Linux clients does not perform strict SSL Certificate Validation, opening the door for potential manipulation of the Pulse Connection set.

Affected Systems and Versions

Systems: Pulse Secure Desktop Linux clients
Versions: Prior to PULSE5.2R9.2 and 5.3.x before PULSE5.3R4.2

Exploitation Mechanism

The lack of rigorous SSL Certificate Validation in the PulseUI component allows attackers to tamper with the Pulse Connection set, compromising the security of the connection.

Mitigation and Prevention

To address CVE-2018-6374, follow these mitigation steps:

Immediate Steps to Take

Update Pulse Secure Desktop Linux clients to versions PULSE5.2R9.2 or PULSE5.3R4.2
Implement strict SSL Certificate Validation practices

Long-Term Security Practices

Regularly monitor and update SSL Certificate Validation mechanisms
Conduct security audits to identify and address similar vulnerabilities

Patching and Updates

Apply patches provided by Pulse Secure to fix the SSL Certificate Validation issue in the PulseUI component