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Ubuntu 23.04 USN-6161-2 Moderate: Fix for .NET Certificate Imports

USN 6161-1 introduced a regression in .NET that could incorrectly cause X.509 certificate imports to fail when they should succeed.. =========================================================================Ubuntu Security Notice USN-6161-2 June 23, 2023 dotnet6, dotnet7 regression ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.10 - Ubuntu 22.04 LTS Summary: USN 6161-1 introduced a regression in .NET that could incorrectly cause X.509 certificate imports to fail when they should succeed. Software Description: - dotnet6: dotNET CLI tools and runtime - dotnet7: dotNET CLI tools and runtime Details: USN-6161-1 fixed vulnerabilities in .NET. The update introduced a regression with regards to how the runtime imported X.509 certificates. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that .NET did not properly enforce certain restrictions when deserializing a DataSet or DataTable from XML. An attacker could possibly use this issue to elevate their privileges. (CVE-2023-24936) Kevin Jones discovered that .NET did not properly handle the AIA fetching process for X.509 client certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-29331) Kalle Niemitalo discovered that the .NET package manager, NuGet, was susceptible to a potential race condition. An attacker could possibly use this issue to perform remote code execution. (CVE-2023-29337) Tom Deseyn discovered that .NET did not properly process certain arguments when extracting the contents of a tar file. An attacker could possibly use this issue to elevate their privileges. This issue only affected the dotnet7 package. (CVE-2023-32032) It was discovered that .NET did not properly handle memory in certain circumstances. Anattacker could possibly use this issue to cause a denial of service or perform remote code execution. (CVE-2023-33128) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: aspnetcore-runtime-6.0 6.0.118-0ubuntu1~23.04.1 aspnetcore-runtime-7.0 7.0.107-0ubuntu1~23.04.1 dotnet-host 6.0.118-0ubuntu1~23.04.1 dotnet-host-7.0 7.0.107-0ubuntu1~23.04.1 dotnet-hostfxr-6.0 6.0.118-0ubuntu1~23.04.1 dotnet-hostfxr-7.0 7.0.107-0ubuntu1~23.04.1 dotnet-runtime-6.0 6.0.118-0ubuntu1~23.04.1 dotnet-runtime-7.0 7.0.107-0ubuntu1~23.04.1 dotnet-sdk-6.0 6.0.118-0ubuntu1~23.04.1 dotnet-sdk-7.0 7.0.107-0ubuntu1~23.04.1 dotnet6 6.0.118-0ubuntu1~23.04.1 dotnet7 7.0.107-0ubuntu1~23.04.1 Ubuntu 22.10: aspnetcore-runtime-6.0 6.0.118-0ubuntu1~22.10.1 aspnetcore-runtime-7.0 7.0.107-0ubuntu1~22.10.1 dotnet-host 6.0.118-0ubuntu1~22.10.1 dotnet-host-7.0 7.0.107-0ubuntu1~22.10.1 dotnet-hostfxr-6.0 6.0.118-0ubuntu1~22.10.1 dotnet-hostfxr-7.0 7.0.107-0ubuntu1~22.10.1 dotnet-runtime-6.0 6.0.118-0ubuntu1~22.10.1 dotnet-runtime-7.0 7.0.107-0ubuntu1~22.10.1 dotnet-sdk-6.0 6.0.118-0ubuntu1~22.10.1 dotnet-sdk-7.0 7.0.107-0ubuntu1~22.10.1 dotnet6 6.0.118-0ubuntu1~22.10.1 dotnet7 7.0.107-0ubuntu1~22.10.1 Ubuntu 22.04 LTS: aspnetcore-runtime-6.0 6.0.118-0ubuntu1~22.04.1 aspnetcore-runtime-7.0 7.0.107-0ubuntu1~22.04.1 dotnet-host 6.0.118-0ubuntu1~22.04.1 dotnet-host-7.0 7.0.107-0ubuntu1~22.04.1 dotnet-hostfxr-6.0 6.0.118-0ubuntu1~22.04.1 dotnet-hostfxr-7.0 7.0.107-0ubuntu1~22.04.1 dotnet-runtime-6.0 6.0.118-0ubuntu1~22.04.1 dotnet-runtime-7.0 7.0.107-0ubuntu1~22.04.1 dotnet-sdk-6.0 6.0.118-0ubuntu1~22.04.1 dotnet-sdk-7.0 7.0.107-0ubuntu1~22.04.1 dotnet6 6.0.118-0ubuntu1~22.04.1 dotnet7 7.0.107-0ubuntu1~22.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6161-2 https://bugs.launchpad.net/ubuntu/+source/dotnet7/+bug/2024893, https://bugs.launchpad.net/ubuntu/+source/dotnet6/+bug/2024894 Package Information: https://launchpad.net/ubuntu/+source/dotnet6/6.0.119-0ubuntu1~23.04.1 https://launchpad.net/ubuntu/+source/dotnet7/7.0.108-0ubuntu1~23.04.1 https://launchpad.net/ubuntu/+source/dotnet6/6.0.119-0ubuntu1~22.10.1 https://launchpad.net/ubuntu/+source/dotnet7/7.0.108-0ubuntu1~22.10.1 https://launchpad.net/ubuntu/+source/dotnet6/6.0.119-0ubuntu1~22.04.1 https://launchpad.net/ubuntu/+source/dotnet7/7.0.108-0ubuntu1~22.04.1 . Resolve .NET regression issues in Ubuntu affecting certificate imports with improved security update guidance.. Dotnet Update, Ubuntu Security, Software Regression, Certificate Error. . LinuxSecurity.com Team

Jun 23, 2023 Ubuntu