CVE-2020-13602 : Vulnerability Insights and Analysis

Remote Denial of Service vulnerability in Zephyr affecting versions 1.14.2 and 2.2.0 due to Improper Input Validation and Infinite Loop conditions.

Understanding CVE-2020-13602

This CVE involves a Remote Denial of Service vulnerability in Zephyr.

What is CVE-2020-13602?

The CVE-2020-13602 is a Remote Denial of Service vulnerability found in Zephyr versions 1.14.2 and 2.2.0. It is caused by Improper Input Validation and an Infinite Loop condition.

The Impact of CVE-2020-13602

The vulnerability has a CVSS base score of 4, with a medium severity rating. It can lead to a Remote Denial of Service attack.

Technical Details of CVE-2020-13602

Details about the vulnerability and affected systems.

Vulnerability Description

Type: Remote Denial of Service
CWE-20: Improper Input Validation
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Affected Systems and Versions

Product: Zephyr
Vendor: Zephyrproject-rtos
Versions: 1.14.2, 2.2.0

Exploitation Mechanism

The vulnerability can be exploited remotely to trigger a Denial of Service condition due to the mentioned input validation and loop issues.

Mitigation and Prevention

Ways to mitigate and prevent exploitation of CVE-2020-13602.

Immediate Steps to Take

Update Zephyr to a patched version if available
Monitor for any unusual network activity
Implement network segmentation to limit exposure

Long-Term Security Practices

Regularly update software and firmware
Conduct security assessments and audits
Educate users on safe computing practices

Patching and Updates

Apply patches provided by Zephyrproject-rtos
Stay informed about security advisories and updates