USN-7105-1: .NET vulnerabilities

Published Nov 12, 2024
·
Updated

It was discovered that the NrbfDecoder component in .NET did not properly handle an instance of a type confusion vulnerability. An authenticated attacker could possibly use this issue to gain the privileges of another user and execute arbitrary code. (CVE-2024-43498) It was discovered that the NrbfDecoder component in .NET did not properly perform input validation. An unauthenticated remote attacker could possibly use this issue to cause a denial of service. (CVE-2024-43499)

Affected Software

14 affected componentsFixes available
All of the following
ubuntu/aspnetcore-runtime-9.0<9.0.0-rtm-0ubuntu1~24.10.1
9.0.0-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet-host-9.0<9.0.0-rtm-0ubuntu1~24.10.1
9.0.0-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet-hostfxr-9.0<9.0.0-rtm-0ubuntu1~24.10.1
9.0.0-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet-runtime-9.0<9.0.0-rtm-0ubuntu1~24.10.1
9.0.0-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet-sdk-9.0<9.0.100-rtm-0ubuntu1~24.10.1
9.0.100-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet-sdk-aot-9.0<9.0.100-rtm-0ubuntu1~24.10.1
9.0.100-rtm-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10
All of the following
ubuntu/dotnet9<9.0.100-9.0.0-0ubuntu1~24.10.1
9.0.100-9.0.0-0ubuntu1~24.10.1
Ubuntu Ubuntu=24.10

Event History

Nov 12, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7105-1?

USN-7105-1 addresses a type confusion vulnerability in .NET that could allow an authenticated attacker to execute arbitrary code.

2

How do I fix USN-7105-1?

To mitigate USN-7105-1, update the affected packages to the latest version, specifically to 9.0.0-rtm-0ubuntu1~24.10.1 or higher.

3

What products are affected by USN-7105-1?

USN-7105-1 affects multiple .NET packages including aspnetcore-runtime-9.0, dotnet-host-9.0, dotnet-runtime-9.0, and others on Ubuntu 24.10.

4

Who is vulnerable to the USN-7105-1 flaw?

Only authenticated users who can exploit the type confusion vulnerability in the NrbfDecoder component of .NET are vulnerable to USN-7105-1.

5

What impact can an attacker have if USN-7105-1 is exploited?

If exploited, an attacker could gain elevated privileges and potentially execute arbitrary code, compromising the security of the system.

Contact

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