CVE-2020-0759 : Exploit Details and Defense Strategies

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Understanding CVE-2020-0759

This CVE pertains to a critical vulnerability in Microsoft Excel that could allow remote code execution.

What is CVE-2020-0759?

This CVE describes a security flaw in Microsoft Excel that can be exploited to execute remote code on a victim's system.

The Impact of CVE-2020-0759

The vulnerability can lead to unauthorized access to sensitive data, installation of malware, and takeover of affected systems.

Technical Details of CVE-2020-0759

This section covers specific technical information regarding the CVE.

Vulnerability Description

Type: Remote Code Execution
Cause: Improper handling of objects in memory

Affected Systems and Versions

The following products and versions are affected:

Microsoft Office 2019 for 32-bit and 64-bit editions, 2019 for Mac, 2016 for Mac
Office 365 ProPlus on 32-bit and 64-bit systems
Microsoft Excel 2016 (32-bit and 64-bit editions), 2010 Service Pack 2 (32-bit and 64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit and 64-bit editions)

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious Excel file and convincing a user to open it, triggering the remote code execution.

Mitigation and Prevention

Following are key steps to mitigate the risks associated with CVE-2020-0759:

Immediate Steps to Take

Update Microsoft Excel and affected Microsoft Office versions to the latest patched versions.
Exercise caution when opening Excel files from untrusted sources.

Long-Term Security Practices

Regularly update software and maintain good security hygiene.
Implement security solutions that can detect and prevent exploitation attempts.

Patching and Updates

Apply patches and updates provided by Microsoft promptly to fix the vulnerability.