CVE-2023-36558 : Security Advisory and Response
Learn about the ASP.NET Core - Security Feature Bypass Vulnerability (CVE-2023-36558) affecting multiple Microsoft products. Understand the impact, technical details, and mitigation strategies.
This article discusses the ASP.NET Core - Security Feature Bypass Vulnerability (CVE-2023-36558) affecting multiple Microsoft products.
Understanding CVE-2023-36558
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2023-36558?
The CVE-2023-36558 is a Security Feature Bypass Vulnerability in ASP.NET Core, allowing unauthorized access to affected systems.
The Impact of CVE-2023-36558
The vulnerability poses a medium-level risk with a base severity score of 6.2 under the CVSS 3.1 scoring system.
Technical Details of CVE-2023-36558
Let's dive into the specifics of this security flaw.
Vulnerability Description
The vulnerability enables attackers to bypass security features, potentially leading to unauthorized system access.
Affected Systems and Versions
- .NET 6.0 versions less than 6.0.25
- ASP.NET Core 6.0 versions less than 6.0.25
- .NET 7.0 versions less than 7.0.14
- Microsoft Visual Studio 2022 version 17.2 versions less than 17.2.22
- .NET 8.0 versions less than 8.0.0
- Microsoft Visual Studio 2022 version 17.4 versions less than 17.4.14
- Microsoft Visual Studio 2022 versions less than 17.6.10
- Microsoft Visual Studio 2022 versions less than 17.7.7
- ASP.NET Core 7.0 versions less than 7.0.14
- ASP.NET Core 8.0 versions less than 8.0.0
Exploitation Mechanism
Attackers can exploit this vulnerability through security feature bypass techniques, gaining unauthorized system access.
Mitigation and Prevention
To secure systems from CVE-2023-36558, follow these preventive measures.
Immediate Steps to Take
- Apply security patches provided by Microsoft for the affected products and versions.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Keep software and frameworks updated to prevent known vulnerabilities.
- Implement strict access controls and user authentication mechanisms.
Patching and Updates
Regularly check for security updates and patches released by Microsoft for the affected products to protect against security threats.