Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2024-21404
CVE-2024-21404:
Visual Studio 2022 vulnerability analysis and mitigation
Overview
CVE-2024-21404 is a Denial of Service vulnerability affecting .NET applications with OpenSSL support. The vulnerability was discovered and disclosed in February 2024, specifically impacting ASP.NET Core versions 6.0.0-6.0.27, 7.0.0-7.0.16, 8.0.0-8.0.2, and Visual Studio 2022 versions 17.4.0-17.4.16 (NVD).
Technical details
The vulnerability exists in the X509Certificate2 component when parsing X509 certificates, with a CVSS v3.1 base score of 7.5 (HIGH). The attack vector is network-accessible (AV:N) with low attack complexity (AC:L), requiring no privileges (PR:N) or user interaction (UI:N). The scope is unchanged (S:U) with no impact on confidentiality (C:N) or integrity (I:N), but high impact on availability (A:H) (NVD).
Impact
The primary impact of this vulnerability is the potential for denial of service attacks against .NET applications that utilize OpenSSL support for X509 certificate processing (Red Hat).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available in .NET SDK 7.0.116 and .NET Runtime 7.0.16 for affected systems (Red Hat).
Additional resources
Source: This report was generated using AI
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