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    RedHat: RHSA-2020-2988:01 Critical: .NET Core security and bugfix update

    Date
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    An update for .NET Core is now available for Red Hat Enterprise Linux 8. 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Critical: .NET Core security and bugfix update
    Advisory ID:       RHSA-2020:2988-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2988
    Issue date:        2020-07-16
    CVE Names:         CVE-2020-1147 
    =====================================================================
    
    1. Summary:
    
    An update for .NET Core is now available for Red Hat Enterprise Linux 8.
    
    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 EUS (v. 8.1) - 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 EUS (v. 8.1):
    
    Source:
    dotnet-2.1.516-1.el8_1.src.rpm
    
    x86_64:
    dotnet-debuginfo-2.1.516-1.el8_1.x86_64.rpm
    dotnet-debugsource-2.1.516-1.el8_1.x86_64.rpm
    dotnet-host-fxr-2.1-2.1.20-1.el8_1.x86_64.rpm
    dotnet-host-fxr-2.1-debuginfo-2.1.20-1.el8_1.x86_64.rpm
    dotnet-runtime-2.1-2.1.20-1.el8_1.x86_64.rpm
    dotnet-runtime-2.1-debuginfo-2.1.20-1.el8_1.x86_64.rpm
    dotnet-sdk-2.1-2.1.516-1.el8_1.x86_64.rpm
    dotnet-sdk-2.1.5xx-2.1.516-1.el8_1.x86_64.rpm
    dotnet-sdk-2.1.5xx-debuginfo-2.1.516-1.el8_1.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 . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
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