Login
Newsletter
Werbung

Sicherheit: Denial of Service in .NET
Aktuelle Meldungen Distributionen
Name: Denial of Service in .NET
ID: RHSA-2021:0114-01
Distribution: Red Hat
Plattformen: Red Hat .NET Core on Red Hat Enterprise Linux
Datum: Do, 14. Januar 2021, 08:12
Referenzen: https://access.redhat.com/security/cve/CVE-2021-1723
Applikationen: .NET

Originalnachricht

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Important: .NET Core 3.1 on Red Hat Enterprise Linux
security and bugfix update
Advisory ID: RHSA-2021:0114-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0114
Issue date: 2021-01-13
CVE Names: CVE-2021-1723
=====================================================================

1. Summary:

An update for rh-dotnet31-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 Important. 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 versions are .NET Core SDK 3.1.111 and .NET Core
Runtime 3.1.11.

Security Fix(es):

* dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock
when using HTTP2 (CVE-2021-1723)

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/):

1914258 - CVE-2021-1723 dotnet: ASP.NET Core Callbacks outside of locks cause
Krestel deadlock when using HTTP2

6. Package List:

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

Source:
rh-dotnet31-dotnet-3.1.111-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.111-1.el7_9.x86_64.rpm

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

Source:
rh-dotnet31-dotnet-3.1.111-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.111-1.el7_9.x86_64.rpm

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

Source:
rh-dotnet31-dotnet-3.1.111-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.11-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.111-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.111-1.el7_9.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-2021-1723
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=Ej1o
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
Pro-Linux
Pro-Linux @Facebook
Neue Nachrichten
Werbung