CVE-2023-35298 : Security Advisory and Response

A detailed overview of the HTTP.sys Denial of Service Vulnerability affecting various Microsoft products.

Understanding CVE-2023-35298

This article provides insights into the impact, technical details, and mitigation strategies for the HTTP.sys Denial of Service Vulnerability.

What is CVE-2023-35298?

CVE-2023-35298 refers to the HTTP.sys Denial of Service Vulnerability that affects multiple Microsoft products, leading to potential service disruptions.

The Impact of CVE-2023-35298

The vulnerability can be exploited by malicious actors to launch denial-of-service attacks, resulting in service unavailability for affected systems.

Technical Details of CVE-2023-35298

A deeper look into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The HTTP.sys Denial of Service Vulnerability allows attackers to send specially crafted requests to a vulnerable system, causing it to become unresponsive or crash.

Affected Systems and Versions

Microsoft Windows Server 2022, Windows 11 version 21H2, and Windows 11 version 22H2 are impacted by the vulnerability based on specific versions.

Exploitation Mechanism

By exploiting this vulnerability, threat actors can overwhelm the HTTP.sys component with malicious requests, leading to a denial of service scenario.

Mitigation and Prevention

Best practices to mitigate the risk posed by CVE-2023-35298 and safeguard affected systems.

Immediate Steps to Take

Immediately apply security patches provided by Microsoft to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implement network security measures, such as firewalls and intrusion detection systems, to detect and block suspicious traffic targeting HTTP.sys.

Patching and Updates

Regularly monitor for security updates from Microsoft and promptly apply patches to ensure systems are protected against known vulnerabilities.