Topic

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.

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.

A new version of .NET Core that addresses a security vulnerability is now available. The updated version is .NET Core Runtime 2.1.20 and SDK 2.1.516.

Security Fix(es):

• .NT 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.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64

Fixes

• BZ - 1856929 - CVE-2020-1147 dotnet: XML source markup processing remote code execution

CVEs

• CVE-2020-1147

References

• https://access.redhat.com/security/updates/classification/#critical