CVE-2017-0241 Explained : Impact and Mitigation
Learn about CVE-2017-0241, an elevation of privilege vulnerability in Microsoft Edge allowing unauthorized actions in the Intranet Zone. Find mitigation steps and affected systems.
Microsoft Edge Elevation of Privilege Vulnerability
Understanding CVE-2017-0241
What is CVE-2017-0241?
An elevation of privilege vulnerability in Microsoft Edge allows the browser to perform actions in the Intranet Zone, accessing features not typically available in the Internet Zone.
The Impact of CVE-2017-0241
Exploiting this flaw could lead to unauthorized actions within the Intranet Zone, compromising security and accessing restricted features.
Technical Details of CVE-2017-0241
Vulnerability Description
The vulnerability arises when Microsoft Edge displays a page without a domain in the URL, enabling unauthorized actions.
Affected Systems and Versions
- Microsoft Edge on various Windows 10 versions: 32-bit and x64-based systems, including Versions 1511, 1607, and 1703.
Exploitation Mechanism
The flaw is exploited by displaying a page without a domain in the URL, allowing unauthorized actions within the Intranet Zone.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Avoid visiting untrusted websites to minimize exposure to potential exploits.
Long-Term Security Practices
- Regularly update Microsoft Edge and the operating system to ensure the latest security fixes.
- Implement network segmentation to restrict access between zones.
Patching and Updates
Regularly check for and apply security updates from Microsoft to address known vulnerabilities.