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AUSCERT External Security Bulletin Redistribution
Critical: .NET Core security and bugfix update
17 July 2020
AusCERT Security Bulletin Summary
Product: .NET Core security and bugfix update
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
CVE Names: CVE-2020-1147
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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
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
.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
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.
* .NET Core: XML source markup processing remote code execution
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.
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
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):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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