-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: .NET 5.0 security and bugfix update Advisory ID: RHSA-2021:3148-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3148 Issue date: 2021-08-12 CVE Names: CVE-2021-26423 CVE-2021-34485 CVE-2021-34532 ==================================================================== 1. Summary: An update for .NET 5.0 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 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 security vulnerabilities are now available. The updated versions are .NET SDK 5.0.206 and .NET Runtime 5.0.9. Security Fix(es): * dotnet: ASP.NET Core WebSocket frame processing DoS (CVE-2021-26423) * dotnet: Dump file created world-readable (CVE-2021-34485) * dotnet: ASP.NET Core JWT token logging (CVE-2021-34532) 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/): 1990286 - CVE-2021-34485 dotnet: Dump file created world-readable 1990295 - CVE-2021-26423 dotnet: ASP.NET Core WebSocket frame processing DoS 1990300 - CVE-2021-34532 dotnet: ASP.NET Core JWT token logging 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: dotnet5.0-5.0.206-1.el8_4.src.rpm x86_64: aspnetcore-runtime-5.0-5.0.9-1.el8_4.x86_64.rpm aspnetcore-targeting-pack-5.0-5.0.9-1.el8_4.x86_64.rpm dotnet-5.0.206-1.el8_4.x86_64.rpm dotnet-apphost-pack-5.0-5.0.9-1.el8_4.x86_64.rpm dotnet-apphost-pack-5.0-debuginfo-5.0.9-1.el8_4.x86_64.rpm dotnet-host-5.0.9-1.el8_4.x86_64.rpm dotnet-host-debuginfo-5.0.9-1.el8_4.x86_64.rpm dotnet-hostfxr-5.0-5.0.9-1.el8_4.x86_64.rpm dotnet-hostfxr-5.0-debuginfo-5.0.9-1.el8_4.x86_64.rpm dotnet-runtime-5.0-5.0.9-1.el8_4.x86_64.rpm dotnet-runtime-5.0-debuginfo-5.0.9-1.el8_4.x86_64.rpm dotnet-sdk-5.0-5.0.206-1.el8_4.x86_64.rpm dotnet-sdk-5.0-debuginfo-5.0.206-1.el8_4.x86_64.rpm dotnet-targeting-pack-5.0-5.0.9-1.el8_4.x86_64.rpm dotnet-templates-5.0-5.0.206-1.el8_4.x86_64.rpm dotnet5.0-debuginfo-5.0.206-1.el8_4.x86_64.rpm dotnet5.0-debugsource-5.0.206-1.el8_4.x86_64.rpm netstandard-targeting-pack-2.1-5.0.206-1.el8_4.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-2021-26423 https://access.redhat.com/security/cve/CVE-2021-34485 https://access.redhat.com/security/cve/CVE-2021-34532 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 iQIVAwUBYRTFitzjgjWX9erEAQh1kRAAgELJ0dJP+6imW9YhXJSdhgDxnij83yAC vdlVHPfr9uwcRCgDhC5IhLleZmkCi5cSAEJejdihSHdbNq1pREpnsxXChxqEyBYy UL9E59THtgiWEnszXdvWpPIYuQurMIjS605CvH+3Xdw0d6eq0hVGrPrg6i+BWVf9 FfZ5lvgamF4mD7YPLEBsTfOSd1Uf7BauGXG6NL6NDQT7/sK1zIkWhpncU/OByS5r Zc/34Q9UOJumflFvo19BRZMSP6Z7u7ARO8SVvfA9EMvbDc4hM7hx+VUyaB3AxmYz XvnfRmF40vcAGcYUCLhU1la9yPz6Im08XYGAb0Ru99cjjl+wfMrJEhd9n9cY3Hpb tmDyPk/CbSIZplBreZOnMMgvZnA0epSvnjSfbznei/pOtJv+damC2AJSq54LFUaE Yg+kPQKb3MnSSfQbOdETvwsWiqWthisk+zymD2g5Vs0/7h68xEAYf9PFC1T4xR3Y woNTQLik7iGnkyH9rLz02VoZ6eQTvPGqsVxyUPJl+7uIvQ9avSSZQtWTShftqkG0 +P6VhLtpq/H5KSPgV5UKa/5jaYfjTRaqG/MBM20se4O7XakFj5Ozsu16XSjlxOty Ig+BIyiLG0G+260o+83JEGmOld9IE7Q1HfYUt/YUJDpGkvYzHS3JYdlbaD3qI6YT mV7UDLB1ptA=S0m/ -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce