CVE-2022-34402 : Vulnerability Insights and Analysis

Dell Wyse ThinOS 2205 has been found to contain a Regular Expression Denial of Service Vulnerability in UI, potentially exploitable by an admin privilege attacker, resulting in denial-of-service.

Understanding CVE-2022-34402

This article provides insights into the impact, technical details, and mitigation strategies for CVE-2022-34402.

What is CVE-2022-34402?

CVE-2022-34402 is a vulnerability in Dell Wyse ThinOS 2205 that allows an attacker with admin privileges to cause a denial-of-service condition through a Regular Expression Denial of Service (ReDoS) attack.

The Impact of CVE-2022-34402

The vulnerability poses a medium-severity threat with a CVSS base score of 6.8, potentially leading to a loss of availability for the affected systems.

Technical Details of CVE-2022-34402

Let's delve deeper into the technical aspects of this vulnerability.

Vulnerability Description

The vulnerability stems from inefficient regular expression complexity, categorized under CWE-1333.

Affected Systems and Versions

The impacted system is Dell Wyse Proprietary OS (Modern ThinOS) up to version ThinOS 2208.

Exploitation Mechanism

An attacker with elevated privileges can exploit the vulnerability through the user interface, triggering a denial-of-service condition on the targeted system.

Mitigation and Prevention

Here are the steps to mitigate the risks associated with CVE-2022-34402.

Immediate Steps to Take

Organizations should apply security updates provided by Dell to address this vulnerability promptly.

Long-Term Security Practices

Implementing strong privilege management and monitoring systems can help prevent unauthorized access and potential exploitation.

Patching and Updates

Regularly check for security advisories and patches from Dell to stay protected against emerging threats.