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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2445 .NET Core update reaches RHEL 8 AppStream 20 July 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: .NET Core Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-1147 Reference: ESB-2020.2441 ESB-2020.2413 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2989 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Critical: .NET Core security update Advisory ID: RHSA-2020:2989-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2989 Issue date: 2020-07-17 CVE Names: CVE-2020-1147 ===================================================================== 1. Summary: An update for .NET Core is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Critical. 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 E4S (v. 8.0) - 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 a security vulnerability are now available. The updated version is .NET Core Runtime 2.1.20 and SDK 2.1.516. Security Fix(es): * .NET Core: XML source markup processing remote code execution (CVE-2020-1147) 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/): 1856929 - CVE-2020-1147 dotnet: XML source markup processing remote code execution 6. Package List: Red Hat Enterprise Linux AppStream E4S (v. 8.0): Source: dotnet-2.1.516-1.el8_0.src.rpm x86_64: dotnet-2.1.516-1.el8_0.x86_64.rpm dotnet-debuginfo-2.1.516-1.el8_0.x86_64.rpm dotnet-debugsource-2.1.516-1.el8_0.x86_64.rpm dotnet-host-2.1.20-1.el8_0.x86_64.rpm dotnet-host-debuginfo-2.1.20-1.el8_0.x86_64.rpm dotnet-host-fxr-2.1-2.1.20-1.el8_0.x86_64.rpm dotnet-host-fxr-2.1-debuginfo-2.1.20-1.el8_0.x86_64.rpm dotnet-runtime-2.1-2.1.20-1.el8_0.x86_64.rpm dotnet-runtime-2.1-debuginfo-2.1.20-1.el8_0.x86_64.rpm dotnet-sdk-2.1-2.1.516-1.el8_0.x86_64.rpm dotnet-sdk-2.1.5xx-2.1.516-1.el8_0.x86_64.rpm dotnet-sdk-2.1.5xx-debuginfo-2.1.516-1.el8_0.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-2020-1147 https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXxG6btzjgjWX9erEAQhiUA//frojWrWpMX2z4ifJD/D5voIZ+xcwrl8d GYxRALtdwdXxjYbYNkHZxMGW/afB4tvbCY9ke6JT2nqPEzF1/e6wCtzXFTmgFkRw wv7YTJ894BzDZfUK8ljoeiw4yiKYu1QPnJPaCoDXQe4bU4p0dWyTnsU+PExpzIu6 hmw/h2QOcFG1BTLn39H770MUmBMeK5pg179ieiCfyRwVIkOT0EjzBGqK2DM1peHZ gKoqM6sAApsisiCSn7w+8HktpYii695zxLTLs24sJW1GfDaBhY+BowPcMAQTjY6X 2ohbMfX6ztUMa4sNVf7yOeSRAW2iow67UQtQnw53FaCakRTTCZLtNOyZ8Sj6Rz4F wgvhkO6h/N+os8DuRCGexbghCm/hqUiSGqhzcDdhT4XBNLRPNfKJBDENvMYacUiE tsrTxsFLQfGG0EsgMtMDRGYj9uVcfJLX68rAIT59gNEa7/6EiN/AfWtjSa2JmXLx Zuq/TK7vG+MtAU4WpmFY1qatpCDzJ20IG+gD1aMEWCG9fVv/hmDjs64W5YU0EY2r rT7qV1XKuvJ+EFYB/+ik525sQPE6Qw9MUWzl859lSLDlIyaUXWbfjn+DgXDUy/A0 PeY8thbvyTcEZaPFST49BXOtWKlas9TvbD2DAD3uED2IfnNluREbRitya9tVAyMV sAzroN/bJ1Q= =141+ - -----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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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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