CVE-2017-8536 Explained : Impact and Mitigation

The Microsoft Malware Protection Engine vulnerability, known as "Microsoft Malware Protection Engine Denial of Service Vulnerability," affects various Microsoft products and operating systems. This CVE allows for denial of service attacks when a specially crafted file is not properly scanned.

Understanding CVE-2017-8536

What is CVE-2017-8536?

CVE-2017-8536 is a vulnerability in the Microsoft Malware Protection Engine used in Microsoft Forefront, Microsoft Defender, and multiple Windows operating systems.

The Impact of CVE-2017-8536

This vulnerability can be exploited to launch denial of service attacks by evading proper file scanning mechanisms.

Technical Details of CVE-2017-8536

Vulnerability Description

The Microsoft Malware Protection Engine fails to scan specially crafted files, leading to denial of service. This vulnerability is distinct from other CVEs listed.

Affected Systems and Versions

Microsoft Forefront and Microsoft Defender on various Windows versions including Windows Server 2008 SP2, R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016
Microsoft Exchange Server 2013 and 2016

Exploitation Mechanism

The vulnerability is exploited by using specially crafted files that are not correctly scanned by the Microsoft Malware Protection Engine.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly
Ensure all systems are updated with the latest security definitions
Implement network security measures to detect and block malicious files

Long-Term Security Practices

Regularly update antivirus definitions and security software
Conduct security audits and vulnerability assessments periodically
Educate users on safe browsing habits and file handling practices

Patching and Updates

It is crucial to install the security updates released by Microsoft to address the vulnerability in the Malware Protection Engine.