CVE-2020-1249 : Exploit Details and Defense Strategies

An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Elevation of Privilege Vulnerability'.

Understanding CVE-2020-1249

What is CVE-2020-1249?

This CVE refers to an elevation of privilege vulnerability in Windows Runtime due to improper handling of objects in memory.

The Impact of CVE-2020-1249

This vulnerability can allow attackers to elevate their privileges on the affected system, potentially leading to unauthorized access and control.

Technical Details of CVE-2020-1249

Vulnerability Description

The vulnerability arises from the improper treatment of objects in memory within the Windows Runtime environment.

Affected Systems and Versions

Windows:
Versions affected include 10, 8.1, and RT 8.1.
Windows Server:
Affected versions are 2019, 2016, 2012, and 2012 R2.
Windows 10 Versions 1909, 1903, 2004, and their respective Server variants
Versions mentioned are all affected.

Exploitation Mechanism

The vulnerability can be exploited by a malicious actor running code on the targeted system to elevate privileges and gain unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft.
Monitor for any unauthorized system access or unusual activities.

Long-Term Security Practices

Regularly update systems with the latest security patches.
Implement strong access controls and least privilege principles.

Patching and Updates

Ensure all affected systems are updated with the latest security patches.