-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: .NET Core 3.1 security and bugfix update Advisory ID: RHSA-2020:3699-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3699 Issue date: 2020-09-08 CVE Names: CVE-2020-1045 ==================================================================== 1. Summary: An update for .NET Core 3.1 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - x86_64 3. Description: .NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core SDK 3.1.108 and .NET Core Runtime 3.1.8. Security Fixes: * .NET Core: ASP.NET cookie prefix spoofing vulnerability (CVE-2020-1045) Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes. For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1873451 - CVE-2020-1045 dotnet: ASP.NET cookie prefix spoofing vulnerability 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: dotnet3.1-3.1.108-2.el8_2.src.rpm x86_64: aspnetcore-runtime-3.1-3.1.8-2.el8_2.x86_64.rpm aspnetcore-targeting-pack-3.1-3.1.8-2.el8_2.x86_64.rpm dotnet-3.1.108-2.el8_2.x86_64.rpm dotnet-apphost-pack-3.1-3.1.8-2.el8_2.x86_64.rpm dotnet-apphost-pack-3.1-debuginfo-3.1.8-2.el8_2.x86_64.rpm dotnet-host-3.1.8-2.el8_2.x86_64.rpm dotnet-host-debuginfo-3.1.8-2.el8_2.x86_64.rpm dotnet-hostfxr-3.1-3.1.8-2.el8_2.x86_64.rpm dotnet-hostfxr-3.1-debuginfo-3.1.8-2.el8_2.x86_64.rpm dotnet-runtime-3.1-3.1.8-2.el8_2.x86_64.rpm dotnet-runtime-3.1-debuginfo-3.1.8-2.el8_2.x86_64.rpm dotnet-sdk-3.1-3.1.108-2.el8_2.x86_64.rpm dotnet-sdk-3.1-debuginfo-3.1.108-2.el8_2.x86_64.rpm dotnet-targeting-pack-3.1-3.1.8-2.el8_2.x86_64.rpm dotnet-templates-3.1-3.1.108-2.el8_2.x86_64.rpm dotnet3.1-debuginfo-3.1.108-2.el8_2.x86_64.rpm dotnet3.1-debugsource-3.1.108-2.el8_2.x86_64.rpm netstandard-targeting-pack-2.1-3.1.108-2.el8_2.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2020-1045 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX1fVdtzjgjWX9erEAQg2BhAAj8gA3FvJNAn2IOgFG7+LRx+yfbY0UegI twrD222JHXNODT70EpA/WmzJNKjvU6cB4udeZwzuJe0ZMoAxzc0N9psNDmlTuVyv 7pxSmXrYxm2erDV3mCD5+UmOK9/rOEcUDmJKOM9Vwj2JuUNn0Vcwm7QnQNOmGAOL 4pUNgHNITPtTMiIDWGP6inEzYoj0Ug2a6BIxQ5mvO8uPxdkpq0RjlwjIYoJSJUx2 JfnXMop+UsqP+uEaFaWcgc5dI4c8HEKPgEThIO9MCBGYrwOzH4mFeM+r4l+e9ja5 J1T6VICfRx0p4dvHqnqPcUyJWQOSSAeB+zY2vA1YTyN8as4rKhoCoWim/z6TH930 YNxyjoWHao+bbJQ4LcHzqE8ICWHsPYNj7sGGV8ZDuD3vio3PYq6iX+gKUE0uHXIx SH3ywUAopOlOo6nK0VMYdNj6oebPNYGWdwG4qIQWY7J6eC0YrcGUMJ++Kq8zjU+x wSNSpEQHYx+9lIfi/AulG7ScVAv6DzJRdopX/CwO0I/bUfSOmEghykEZzbVNHibz tVtxNK/alMQl6wRlJYFMMkDAYRojE1X9mOLve+8CRA/yrjEgEgv1yDqMbA/pItmS m0vLQvWD0FNI92VgwPHUVJPfRE6B4mN4e9w/iJJW4FDQIu5h3J792tjvyhixXmVH tViI2ohLd1c=U3Qt -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce