Moderate: .NET 6.0 security and bugfix update
Summary
ALSA-2022:6539: Moderate: .NET 6.0 security and bugfix update. Affects aspnetcore-runtime-6.0 versions < 6.0.9-1.el8_6. Fixed in 6.0.9-1.el8_6. How to fix ↓
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Background
The .NET framework is a managed-software framework that implements a subset of the .NET framework APIs and includes a Common Language Runtime (CLR) implementation. It provides a platform for developing and running applications across different operating systems and devices. The framework offers various APIs and tools for building web, desktop, and mobile applications.
The vulnerability affects the .NET SDK 6.0.109 and .NET Runtime 6.0.9 packages in the AlmaLinux 8 ecosystem.
Vulnerability Detail
The vulnerability, identified as CVE-2022-38013, is a Denial of Service (DoS) issue in ASP.NET Core MVC. It is caused by a stack overflow vulnerability that can be exploited through ModelStateDictionary recursion. An attacker can trigger this vulnerability to cause a stack overflow, leading to a denial of service condition. The impact of this vulnerability can range from service disruption to complete system unavailability. The vulnerability has been assigned a CVSS score, but the specific score is not mentioned in the provided information.
How To Fix
Minimum fixed version
6.0.9-1.el8_6
This is the first release that contains the fix.
sudo dnf update aspnetcore-runtime-6.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The .NET 6.0 security and bugfix update addresses a Denial of Service vulnerability in ASP.NET Core MVC. It is recommended to update the affected packages to the fixed versions mentioned in the 'how_to_fix' section. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for aspnetcore-runtime-6.0 →
FAQ
The impact of this vulnerability can range from service disruption to complete system unavailability.
An attacker can exploit this vulnerability by triggering ModelStateDictionary recursion, causing a stack overflow and leading to a denial of service condition.
The provided information does not mention the specific CVSS score assigned to this vulnerability.
The vulnerability affects .NET SDK 6.0.109 and .NET Runtime 6.0.9 in the AlmaLinux 8 ecosystem.
To update the affected packages, follow the standard package management procedures for AlmaLinux 8 and install the fixed versions mentioned in the 'how_to_fix' section.
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