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====================================================================                   Red Hat Security Advisory

Synopsis:          Critical: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update
Advisory ID:       RHSA-2020:2937-01
Product:           .NET Core on Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2937
Issue date:        2020-07-15
CVE Names:         CVE-2020-1147 
====================================================================
1. Summary:

An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat
Enterprise Linux.

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:

.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 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:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rh-dotnet21-2.1-19.el7.src.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm

x86_64:
rh-dotnet21-2.1-19.el7.x86_64.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-runtime-2.1-19.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source:
rh-dotnet21-2.1-19.el7.src.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm

x86_64:
rh-dotnet21-2.1-19.el7.x86_64.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-runtime-2.1-19.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-dotnet21-2.1-19.el7.src.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm

x86_64:
rh-dotnet21-2.1-19.el7.x86_64.rpm
rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm
rh-dotnet21-runtime-2.1-19.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-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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RedHat: RHSA-2020-2937:01 Critical: .NET Core 2.1 on Red Hat Enterprise

An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux

Summary

.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.



Summary


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

References

https://access.redhat.com/security/cve/CVE-2020-1147 https://access.redhat.com/security/updates/classification/#critical

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet21-2.1-19.el7.src.rpm rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-19.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-19.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet21-2.1-19.el7.src.rpm rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-19.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-19.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet21-2.1-19.el7.src.rpm rh-dotnet21-dotnet-2.1.516-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-19.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.20-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.516-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.516-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-19.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/


Severity
Advisory ID: RHSA-2020:2937-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2937
Issued Date: : 2020-07-15
CVE Names: CVE-2020-1147

Topic

An update for rh-dotnet21-dotnet is now available for .NET Core on Red HatEnterprise Linux.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.


Topic


 

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


Bugs Fixed

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


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