-----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-2021:3147-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3147 Issue date: 2021-08-12 CVE Names: CVE-2021-26423 CVE-2021-34485 CVE-2021-34532 ==================================================================== 1. Summary: An update for rh-dotnet50-dotnet is now available for .NET Core 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 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: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet50-dotnet-5.0.206-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.206-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet50-dotnet-5.0.206-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.206-1.el7_9.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet50-dotnet-5.0.206-1.el7_9.src.rpm x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.9-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.206-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.206-1.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-2021-26423 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 iQIVAwUBYRTEItzjgjWX9erEAQhgVw//Z5MMNe+CDT5y4WmJEOUqAD81i2lM8UYm wMlTa0pUrTE6V23YPla2rhNMwbJ7p+ARXh9tYZ15V79AbR51Txy3ds9AT0y02Usi 7PuxyTt8yNeqWmyfnlri+88DLmECNKOQHPSTlsh49U0/5QJEsCyG+cdgB7fJf1qe a3FnpnWWMOBiPqBGt7hP5N7Bvupi69eBgfiOaAjerWcn49pwwN78LC0PGk53HkRL Uo5EuJDlkPJWxXkPrkS5ahLk10uM5Bt6gBBVDXfXb0iGst9HuUL7CiYEhSbJc6b2 N/HvJP8WndJ7kFwl3x+ugbDsI7ASEP7bS0EuPH4IuifHUBi8FSZJ7f3zKWJTGgYu A9dKg0dBV8OauzHpSsdLqBhRNDWKkgi1jWEftD+AxZ2tMuhE8zRKoWHgH/fuvIGM g0pIVuRAZ6pnPyEEmwJfVhpQsdqmQH382/ynHpmn0lg0/4L/bpRFeJuBac7sqxV+ jj+xUuNfc8Kj+v91j1QPEgFxfmfuvpvrjNP0whFMAl/8eWUb7wm9P67Ums4l3I4P WjUD4SVbeFbWWmK8bOiQ8N89Bo7sDIlnDyU/AdaWf119Se/HWG8J1LaF1xm6L6X1 H8a0Eo1dr2Pz0NFkKSALbWsHP87funmcy82I5+yaI8SbIAcobcYO60ot7NJrcdUH lhw7tLbjpjsFkm -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce