CVE-2018-0902 : Vulnerability Insights and Analysis

Windows operating systems, including Windows 10 and Windows Server, are affected by a security flaw in the Cryptography Next Generation (CNG) kernel-mode driver (cng.sys) that allows a security feature bypass vulnerability.

Understanding CVE-2018-0902

This CVE identifies a specific vulnerability in the CNG driver that impacts various versions of Windows.

What is CVE-2018-0902?

The vulnerability arises from incorrect validation and enforcement of impersonation levels by the kernel-mode driver, leading to a security feature bypass.

The Impact of CVE-2018-0902

The security flaw can potentially allow attackers to bypass critical security mechanisms in affected Windows systems, compromising their integrity and confidentiality.

Technical Details of CVE-2018-0902

The technical aspects of the vulnerability are crucial to understanding its implications.

Vulnerability Description

The flaw in the CNG kernel-mode driver allows for the bypassing of security features due to improper validation and enforcement of impersonation levels.

Affected Systems and Versions

Windows 10 Gold, 1511, 1607, 1703, and 1709
Windows Server 2016 and Windows Server, version 1709

Exploitation Mechanism

Attackers can exploit this vulnerability to circumvent security controls and gain unauthorized access to sensitive information or perform malicious actions.

Mitigation and Prevention

Protecting systems from CVE-2018-0902 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly
Monitor for any suspicious activities on the network
Implement least privilege access controls

Long-Term Security Practices

Regularly update and patch systems to address known vulnerabilities
Conduct security assessments and penetration testing to identify weaknesses

Patching and Updates

Microsoft may release security updates to address CVE-2018-0902; ensure systems are regularly updated to mitigate the risk of exploitation.