-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: .NET 5.0 on Red Hat Enterprise Linux security and bugfix update Advisory ID: RHSA-2021:0473-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0473 Issue date: 2021-02-10 CVE Names: CVE-2021-1721 ==================================================================== 1. Summary: An update for rh-dotnet50-dotnet is now available for .NET on Red Hat Enterprise Linux. 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: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: .NET 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 that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.103 and .NET Runtime 5.0.3. Security Fix(es): * dotnet: certificate chain building recursion Denial of Service (CVE-2021-1721) 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/): 1926918 - CVE-2021-1721 dotnet: certificate chain building recursion Denial of Service 6. Package List: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet50-dotnet-5.0.103-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.103-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet50-dotnet-5.0.103-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.103-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet50-dotnet-5.0.103-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.3-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.103-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.103-1.el7_9.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-2021-1721 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 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYCQRkNzjgjWX9erEAQgNpQ//YOPnsrlO2lww9KzO1WQGieOjqQ1xLZxZ YEgR3XbSuOiS0y7an842VNVht52BEh+maxUN3cdZfHqkBmb3+Ax4Tdnh/oH2CuYT lNkzcQcU/XxNWgpYE6Whu7o5+b7hS8e4khpoH3snamtuL62G2ncH07/cQOeWLi4o EixaJXGxfkq7b3UoDqq8iTj/3NQNmOaD72O2Rp2/yYjLWKtBRKq4sK756wpC+iEj qs+/z6NRTpw7swp8zpB2SsKpBhaCleqeVez7TAaDQ+yvT5Hijosn87CdDAMgVHxa rzqPzKaEMO/DYvirp70sm0EWaaEkX6FbR2LJRzKH6AxBWbyboIBnGrE8W/EfrI/f 6qeQZ/+GKMqabT7z7x79RzExgg6GPwdvnI2koD3hgT28CEZpnZZ6fmYMlvD5pfNT yPL8jzGRs725jpk2EsjyrIpNRPXqXgiFhmEA/JD2dr6surGj0UCmvHqEzKgGdHDR K8jG/u93IZhP+ijnxrw0gOnrCHq5chwxxpPaD1LvSgCmULjzks21zLbcB4qOldLH ey6xIPrdQcyRtJBecfb9IAN9ygCZXfz0HdRB+0ChK31D+Bhp2ORbJXxPPWYNVbp9 97pAQ2MYpEYDKUUn5lQ43Qj1WlF2D9+dXquuWYjD+1FZYmSXFfUnIx6HY7asElhc +Hn3J/UvwRIïGS -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce