RedHat: RHSA-2020-0130:01 Critical: .NET Core on Red Hat Enterprise Linux

    Date16 Jan 2020
    233
    Posted ByLinuxSecurity Advisories
    An update for dotnet3.0 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 on Red Hat Enterprise Linux security and bug fix update
    Advisory ID:       RHSA-2020:0130-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0130
    Issue date:        2020-01-16
    CVE Names:         CVE-2020-0602 CVE-2020-0603 
    =====================================================================
    
    1. Summary:
    
    An update for dotnet3.0 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 (v. 8) - 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 SDK 3.0.102 and .NET Core
    Runtime 3.0.2.
    
    Security Fixes:
    
    * dotnet: Memory Corruption in SignalR (CVE-2020-0603)
    
    * dotnet: SignalR Denial of Service via backpressure issue (CVE-2020-0602)
    
    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 issues, including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    pages listed 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/):
    
    1788171 - Update .NET Core 3.0 to Runtime 3.0.2 and SDK 3.0.102 [rhel-8.1.0.z]
    1789623 - CVE-2020-0602 dotnet: Denial of service via backpressure issue
    1789624 - CVE-2020-0603 dotnet: Memory Corruption in SignalR
    
    6. Package List:
    
    Red Hat Enterprise Linux AppStream (v. 8):
    
    Source:
    dotnet3.0-3.0.102-2.el8_1.src.rpm
    
    x86_64:
    aspnetcore-runtime-3.0-3.0.2-2.el8_1.x86_64.rpm
    aspnetcore-targeting-pack-3.0-3.0.2-2.el8_1.x86_64.rpm
    dotnet-3.0.102-2.el8_1.x86_64.rpm
    dotnet-apphost-pack-3.0-3.0.2-2.el8_1.x86_64.rpm
    dotnet-apphost-pack-3.0-debuginfo-3.0.2-2.el8_1.x86_64.rpm
    dotnet-host-3.0.2-2.el8_1.x86_64.rpm
    dotnet-host-debuginfo-3.0.2-2.el8_1.x86_64.rpm
    dotnet-hostfxr-3.0-3.0.2-2.el8_1.x86_64.rpm
    dotnet-hostfxr-3.0-debuginfo-3.0.2-2.el8_1.x86_64.rpm
    dotnet-runtime-3.0-3.0.2-2.el8_1.x86_64.rpm
    dotnet-runtime-3.0-debuginfo-3.0.2-2.el8_1.x86_64.rpm
    dotnet-sdk-3.0-3.0.102-2.el8_1.x86_64.rpm
    dotnet-sdk-3.0-debuginfo-3.0.102-2.el8_1.x86_64.rpm
    dotnet-targeting-pack-3.0-3.0.2-2.el8_1.x86_64.rpm
    dotnet-templates-3.0-3.0.102-2.el8_1.x86_64.rpm
    dotnet3.0-debuginfo-3.0.102-2.el8_1.x86_64.rpm
    dotnet3.0-debugsource-3.0.102-2.el8_1.x86_64.rpm
    netstandard-targeting-pack-2.1-3.0.102-2.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-2020-0602
    https://access.redhat.com/security/cve/CVE-2020-0603
    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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