CVE-2020-1502 : Vulnerability Insights and Analysis

On August 17, 2020, Microsoft published CVE-2020-1502 detailing an information disclosure vulnerability in Microsoft Word.

Understanding CVE-2020-1502

This CVE addresses an information disclosure vulnerability in Microsoft Word that could potentially compromise user data via memory contents disclosure.

What is CVE-2020-1502?

An information disclosure flaw in Microsoft Word allows attackers to access memory contents, exploiting it to compromise user systems or data by manipulating specially crafted document files.

The Impact of CVE-2020-1502

The vulnerability poses a serious risk as attackers can misuse disclosed memory information to target and compromise user systems, potentially leading to data theft or unauthorized access.

Technical Details of CVE-2020-1502

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in Microsoft Word leads to improper memory disclosure, which attackers can leverage to compromise user systems or data.

Affected Systems and Versions

The vulnerability impacts various Microsoft products and versions:

Microsoft SharePoint Server 2019 (Version 16.0.0)
Microsoft Office 2019 (Version 19.0.0)
Microsoft Office Online Server (Version 16.0.1)
Microsoft 365 Apps for Enterprise (Version 16.0.1)

Exploitation Mechanism

To exploit the CVE, attackers craft specific document files, trick users into opening them, and utilize memory address knowledge to access and misuse memory contents for malicious activities.

Mitigation and Prevention

Protecting systems from CVE-2020-1502 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply the security update provided by Microsoft to mitigate the vulnerability.
Educate users about the risks associated with opening unsolicited or suspicious documents.

Long-Term Security Practices

Regularly update software and security patches to prevent vulnerabilities exploitation.
Implement robust security awareness programs for users to recognize and report suspicious activities.
Enhance system monitoring and detection capabilities to identify potential unauthorized access.
Utilize security tools to analyze and prevent memory exploitation techniques.

Patching and Updates

Ensure timely installation of security updates and patches from Microsoft to address vulnerabilities and enhance system security.