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

An update for dotnet3.0 is now available for Red Hat Enterprise Linux 8

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 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.



Summary


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

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

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/


Severity
Advisory ID: RHSA-2020:0130-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0130
Issued Date: : 2020-01-16
CVE Names: CVE-2020-0602 CVE-2020-0603

Topic

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 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

Red Hat Enterprise Linux AppStream (v. 8) - x86_64


Bugs Fixed

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


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