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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0076 Moderate: .NET Core on Red Hat Enterprise Linux security update 10 January 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: .NET Core Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-0564 CVE-2019-0548 CVE-2019-0545 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:0040 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: .NET Core on Red Hat Enterprise Linux security update Advisory ID: RHSA-2019:0040-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:0040 Issue date: 2019-01-09 CVE Names: CVE-2019-0545 CVE-2019-0548 CVE-2019-0564 ===================================================================== 1. Summary: Updates for rh-dotnet21-dotnet and rh-dotnet22-dotnet are now available for .NET Core on Red Hat Enterprise Linux. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 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 security vulnerabilities are now available. The updated versions are .NET Core 2.1.5 and 2.2.1. Security Fix(es): * .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure (CVE-2019-0545) * .NET Core: ANCM WebSocket DOS (CVE-2019-0548) * .NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET) (CVE-2019-0564) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. For more information, please refer to the upstream docs in the References section. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1660632 - CVE-2019-0545 .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure 1660634 - CVE-2019-0564 .NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET) 1660636 - CVE-2019-0548 .NET Core: ANCM WebSocket DOS 6. Package List: .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet21-2.1-6.el7.src.rpm rh-dotnet21-dotnet-2.1.503-1.el7.src.rpm x86_64: rh-dotnet21-dotnet-sdk-2.1-2.1.503-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-6.el7.x86_64.rpm .NET Core on Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet22-2.2-2.el7.src.rpm rh-dotnet22-dotnet-2.2.102-1.el7.src.rpm x86_64: rh-dotnet22-2.2-2.el7.x86_64.rpm rh-dotnet22-dotnet-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-debuginfo-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-host-fxr-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-runtime-2.2-2.2.1-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2-2.2.102-1.el7.x86_64.rpm rh-dotnet22-dotnet-sdk-2.2.1xx-2.2.102-1.el7.x86_64.rpm rh-dotnet22-runtime-2.2-2.el7.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-2019-0545 https://access.redhat.com/security/cve/CVE-2019-0548 https://access.redhat.com/security/cve/CVE-2019-0564 https://access.redhat.com/security/updates/classification/#moderate https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0548 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXDW2sdzjgjWX9erEAQjnURAAoOOF+CAyd0GdKX4LT2eZ/ctDcYggUZkX 1uMSJxXYU64TTYyAmkWUad9GPHMl+7QPjLZGbsLoUv37jSHwfg6VLiPRPy/jGMEq DN1ECN44X2nbUvCO+aKSNSpkRx7oBgQeR3gcPDMS1bzzJgOzhldL8rHH4GnmsoLI DgBXda8QlnFQVXEK+64H9B5hmlD8PERkne9mmqH1M3tkYZeBdnsud7Zb+UTNmMDR ZCVdGr4UIjFZZWpQf5FhjLw4Y2Wv4+e0UBiRFj3GqiS4YYNy+0VxsuTYW3YvNO2R tgZ/UyXljxfgEoQrwg58sI1icuY9CDuyUbLXjEhmlh9E8lDHZ4C3OyK+M7D/KN43 +Hf3E1qgMyg+RDlIFsDsMNDvH7Y6oHv5OIeELIEG9A+oDeQwpoUE6FlQhwMBKZgV kLnwYXahwcbcpJWB2Fwp2htwACGwlWzisanA0+Qqnb0zsgL/UI/ZuHmcmXXW68U3 L7JuUVE61WCdZYPyANW/kkxIuqw875FVM39dInDlUOwcPyGbkiH7qsauiyLLadlR +GpenM0LLRftSh3FILuQyH+6EORUrduB8445BGtdVKOUChiSOc09qcFozzxKki5P Atkajiv2GssKgIFDg7NBMMPETWRjun6SIsxnZ+CcaxLdOjw1isYRzSxMHdNyU7bc eGIiHj6xieM= =m5dC - -----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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