USN-7058-1: .NET vulnerabilities

Published Oct 8, 2024
·
Updated

Brennan Conroy discovered that the .NET Kestrel web server did not properly handle closing HTTP/3 streams under certain circumstances. An attacker could possibly use this issue to achieve remote code execution. This vulnerability only impacted .NET8. (CVE-2024-38229) It was discovered that .NET components designed to process malicious input were susceptible to hash flooding attacks. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43483) It was discovered that the .NET System.IO.Packaging namespace did not properly process SortedList data structures. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43484) It was discovered that .NET did not properly handle the deserialization of of certain JSON properties. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43485)

Affected Software

36 affected componentsFixes available
All of the following
ubuntu/aspnetcore-runtime-8.0<8.0.10-0ubuntu1~24.04.1
8.0.10-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/dotnet-host-8.0<8.0.10-0ubuntu1~24.04.1
8.0.10-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/dotnet-hostfxr-8.0<8.0.10-0ubuntu1~24.04.1
8.0.10-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/dotnet-runtime-8.0<8.0.10-0ubuntu1~24.04.1
8.0.10-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/dotnet-sdk-8.0<8.0.110-0ubuntu1~24.04.1
8.0.110-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/dotnet8<8.0.110-8.0.10-0ubuntu1~24.04.1
8.0.110-8.0.10-0ubuntu1~24.04.1
Ubuntu Ubuntu=24.04
All of the following
ubuntu/aspnetcore-runtime-6.0<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/aspnetcore-runtime-8.0<8.0.10-0ubuntu1~22.04.1
8.0.10-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-host<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-host-8.0<8.0.10-0ubuntu1~22.04.1
8.0.10-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-hostfxr-6.0<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-hostfxr-8.0<8.0.10-0ubuntu1~22.04.1
8.0.10-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-runtime-6.0<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-runtime-8.0<8.0.10-0ubuntu1~22.04.1
8.0.10-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-sdk-6.0<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet-sdk-8.0<8.0.110-0ubuntu1~22.04.1
8.0.110-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet6<6.0.135-0ubuntu1~22.04.1
6.0.135-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/dotnet8<8.0.110-8.0.10-0ubuntu1~22.04.1
8.0.110-8.0.10-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04

Event History

Oct 8, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7058-1?

The severity of USN-7058-1 is high, as it allows potential remote code execution.

2

How do I fix USN-7058-1?

To fix USN-7058-1, update to the patched versions of the affected packages available for your Ubuntu version.

3

What versions are affected by USN-7058-1?

USN-7058-1 affects .NET 8 and the associated packages on Ubuntu 22.04 and 24.04.

4

Who discovered the vulnerability in USN-7058-1?

The vulnerability in USN-7058-1 was discovered by Brennan Conroy.

5

What type of vulnerability is addressed in USN-7058-1?

USN-7058-1 addresses a vulnerability in the .NET Kestrel web server related to handling HTTP/3 streams.

Contact

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