Ubuntu alert USN-6427-1 (dotnet6, dotnet7)
| From: | Ian Constantin <ian.constantin@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-6427-1] .NET vulnerability | |
| Date: | Tue, 10 Oct 2023 21:40:44 +0300 | |
| Message-ID: | <040ec89e-f445-4324-96c7-319e79d37173@canonical.com> |
========================================================================== Ubuntu Security Notice USN-6427-1 October 10, 2023 dotnet6, dotnet7 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS Summary: .NET could be made to crash if it received specially crafted network traffic. Software Description: - dotnet6: dotNET CLI tools and runtime - dotnet7: dotNET CLI tools and runtime Details: It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: aspnetcore-runtime-6.0 6.0.123-0ubuntu1~23.04.1 aspnetcore-runtime-7.0 7.0.112-0ubuntu1~23.04.1 dotnet-host 6.0.123-0ubuntu1~23.04.1 dotnet-host-7.0 7.0.112-0ubuntu1~23.04.1 dotnet-hostfxr-6.0 6.0.123-0ubuntu1~23.04.1 dotnet-hostfxr-7.0 7.0.112-0ubuntu1~23.04.1 dotnet-runtime-6.0 6.0.123-0ubuntu1~23.04.1 dotnet-runtime-7.0 7.0.112-0ubuntu1~23.04.1 dotnet-sdk-6.0 6.0.123-0ubuntu1~23.04.1 dotnet-sdk-7.0 7.0.112-0ubuntu1~23.04.1 dotnet6 6.0.123-0ubuntu1~23.04.1 dotnet7 7.0.112-0ubuntu1~23.04.1 Ubuntu 22.04 LTS: aspnetcore-runtime-6.0 6.0.123-0ubuntu1~22.04.1 aspnetcore-runtime-7.0 7.0.112-0ubuntu1~22.04.1 dotnet-host 6.0.123-0ubuntu1~22.04.1 dotnet-host-7.0 7.0.112-0ubuntu1~22.04.1 dotnet-hostfxr-6.0 6.0.123-0ubuntu1~22.04.1 dotnet-hostfxr-7.0 7.0.112-0ubuntu1~22.04.1 dotnet-runtime-6.0 6.0.123-0ubuntu1~22.04.1 dotnet-runtime-7.0 7.0.112-0ubuntu1~22.04.1 dotnet-sdk-6.0 6.0.123-0ubuntu1~22.04.1 dotnet-sdk-7.0 7.0.112-0ubuntu1~22.04.1 dotnet6 6.0.123-0ubuntu1~22.04.1 dotnet7 7.0.112-0ubuntu1~22.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6427-1 CVE-2023-44487 Package Information: https://launchpad.net/ubuntu/+source/dotnet6/6.0.123-0ubu... https://launchpad.net/ubuntu/+source/dotnet7/7.0.112-0ubu... https://launchpad.net/ubuntu/+source/dotnet6/6.0.123-0ubu... https://launchpad.net/ubuntu/+source/dotnet7/7.0.112-0ubu...