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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3412 .NET 5.0 on RHEL 7 security and bugfix update 15 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: .NET Core Publisher: Red Hat Operating System: Red Hat Impact/Access: Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-41355 Reference: ASB-2021.0192 ESB-2021.3403 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3818 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: .NET 5.0 on RHEL 7 security and bugfix update Advisory ID: RHSA-2021:3818-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3818 Issue date: 2021-10-12 CVE Names: CVE-2021-41355 ===================================================================== 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 5.0.208 and .NET Runtime 5.0.11. Security Fix(es): * dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355) 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/): 2006504 - Bootstrap and build .NET 5 using a previously built .NET 5 SDK 2011487 - CVE-2021-41355 dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails 6. Package List: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.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-2021-41355 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYWXmr9zjgjWX9erEAQisgQ//TB7VaMGeDSK171Yb1E6zP2qiE5nl2Fpo nQc/gteQNGqllocLXrBf2lKRYaKdXwse0ykmCfwP03Ez+iHPQMhffmGpeBhcMwX/ omXrWqEIt3TQKe8GBJkvL160/9bFA8wu10iMqmZ4FQ7Fb5q2HM2Ci9U13KlSBvAL 2qtXSXQazAYtlFh39CLR+RQDP9XZeedCXii0fSIAL4pofae53X5Px3WSOGcxZ5dg j4dOpCxyt5EHLe/NOXs4emO2cIq5XjjQ9WPi8hGw8OOuSWhxrBtPB/CLhaFydYBt fBxWiNxWfyr8la/61Zk1IhjaxiTrhAgmKrhc85/PsivIzY8nELYwNOHPlT/UB9L7 jmEeEmfxeWLG8o9viJ9dnVCceik17uVpEol+74dAB8jTZC+sSUMD4oZI9iXJKObP FLn5dpFpul87/A8RGUxlGVkiPMkgz5icK8xX7rV9Ti5RVrjdQphIMAGOcON7kx0Q MIU7Gk9aVxMUUL3LRovFX8ElkkFptvqDlZdl6zM7gj6fL/yUrbBLFQG4sH7BnozE eeRX4hmDFX6GdLKGfq8PrB1n+W1+glTO0gnQ2WJs7jol3QGdmASZbOhFLAvAsCwm a02+c8onFZi6Tc0TDScy/56APXJx2OTWfOjIWu2W6eZffYSTCFT2ehbKuY/xnSf5 hGdi9uwV0+U= =7L7f - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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