CVE-2019-0761 Explained : Impact and Mitigation

A security feature bypass vulnerability in Internet Explorer allows the bypassing of a security feature when it fails to validate the Security Zone of requests for specific URLs. This vulnerability is also known as the 'Internet Explorer Security Feature Bypass Vulnerability' and is distinct from CVE-2019-0768.

Understanding CVE-2019-0761

This CVE affects Internet Explorer 11 and Internet Explorer 10 on various Windows operating systems.

What is CVE-2019-0761?

This vulnerability in Internet Explorer enables the bypassing of a security feature by not properly validating the Security Zone of requests for specific URLs.

The Impact of CVE-2019-0761

The vulnerability poses a risk of security feature bypass, potentially allowing malicious actors to exploit the affected systems.

Technical Details of CVE-2019-0761

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to bypass a security feature in Internet Explorer by manipulating the Security Zone validation for specific URLs.

Affected Systems and Versions

Internet Explorer 11 on various Windows versions including Windows 7, 8.1, 10, Server 2008 R2, 2012 R2, 2016, RT 8.1, and Server 2019
Internet Explorer 10 on Windows Server 2012

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious URLs to trick Internet Explorer into bypassing the Security Zone validation.

Mitigation and Prevention

To address CVE-2019-0761, follow these mitigation strategies:

Immediate Steps to Take

Apply security updates provided by Microsoft promptly
Consider using alternative browsers until the patch is applied

Long-Term Security Practices

Regularly update Internet Explorer and other software to the latest versions
Implement strong web security practices to mitigate similar vulnerabilities

Patching and Updates

Install the security updates released by Microsoft to fix the vulnerability