CVE-2020-13583 : Security Advisory and Response

A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. An attacker can exploit this vulnerability by sending a specially crafted HTTP request, leading to a denial of service.

Understanding CVE-2020-13583

This CVE involves a denial-of-service vulnerability in Micrium uC-HTTP 3.01.00.

What is CVE-2020-13583?

CVE-2020-13583 is a vulnerability in the HTTP Server functionality of Micrium uC-HTTP 3.01.00, allowing attackers to cause a denial of service through a crafted HTTP request.

The Impact of CVE-2020-13583

The impact of this vulnerability is rated as high with a CVSS base score of 8.6. It can result in a denial of service without requiring any privileges or user interaction.

Technical Details of CVE-2020-13583

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability is classified as CWE-476: NULL Pointer Dereference, indicating a specific type of software flaw.

Affected Systems and Versions

Product: Micrium
Version: Micrium uC-HTTP 3.01.00

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Availability Impact: High
Scope: Changed
Privileges Required: None
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-13583 is crucial to prevent denial-of-service attacks.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network-level controls to filter out malicious HTTP requests.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential weaknesses.

Patching and Updates

Stay informed about security advisories and updates from the vendor.
Ensure timely deployment of patches to secure systems against known vulnerabilities.