Red Hat Security Advisory 2021-3143-01 - .NET 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 that address security vulnerabilities are now available. The updated versions are .NET SDK 3.1.118 and .NET Runtime 3.1.18. Issues addressed include a denial of service vulnerability.
6efb7629072fdeee9f66659a51621f2c62f5acd44eb666f8f716ee7adc9baabd
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: .NET Core 3.1 on RHEL 7 security and bugfix update
Advisory ID: RHSA-2021:3143-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3143
Issue date: 2021-08-11
CVE Names: CVE-2021-26423 CVE-2021-34485 CVE-2021-34532
=====================================================================
1. Summary:
An update for .NET Core 3.1 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 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 that address security vulnerabilities are now
available. The updated versions are .NET SDK 3.1.118 and .NET Runtime
3.1.18.
Security Fix(es):
* dotnet: ASP.NET Core WebSocket frame processing DoS (CVE-2021-26423)
* dotnet: Dump file created world-readable (CVE-2021-34485)
* dotnet: ASP.NET Core JWT token logging (CVE-2021-34532)
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/):
1990286 - CVE-2021-34485 dotnet: Dump file created world-readable
1990295 - CVE-2021-26423 dotnet: ASP.NET Core WebSocket frame processing DoS
1990300 - CVE-2021-34532 dotnet: ASP.NET Core JWT token logging
6. Package List:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
rh-dotnet31-dotnet-3.1.118-1.el7_9.src.rpm
x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.118-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source:
rh-dotnet31-dotnet-3.1.118-1.el7_9.src.rpm
x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.118-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-dotnet31-dotnet-3.1.118-1.el7_9.src.rpm
x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.18-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.118-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.118-1.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-2021-26423
https://access.redhat.com/security/cve/CVE-2021-34485
https://access.redhat.com/security/cve/CVE-2021-34532
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
iQIVAwUBYRQa8tzjgjWX9erEAQgZVg//eyD52RIjaXDx3Y8hIiT3Lol1bgP5prfh
vgB+Y/IX75XF929mfsAP4QYJGQR9Q6OR511V7SewOqlGMO65S6yvlqVjvDCoesFc
Am02/u2D3A8U7HiTYmAPqKNwzf7t8v2KbfZGMIAJQgYCEB4qjT2zvIt9B6TRAKo2
EdQa4XQsnmh4h3bMhkLrI3m8epxUD5Fk7RizA2F7pCwyL/EpiGzlD13nQWNB18gC
Y8Csf5i+xPa66EakBo1fWb7u8oda1aoDcKSoDqinfd9t29yTNCAN4g2h1P/1TkDi
nLpFRYf5fv7hoWUHmzg6Alp3eZw2GJVVvtMok2bba2TRYmw3MuXuxctaghupD8ph
WDtluNCVniryl4SDkgFaSutcAwbyVlQo6M+ku5j1oy+nS26boGv0dIet9UHHkcAS
/+tEiTw/atMuRLwkEQ90Y+CUQ9EkTW9X0haKTsvqbJ+/ZKiDdBYQlYxnrvzh5NEx
L/a+QneLNviwEJsyFwozWePokB70J1sPPlU2TjtJI7X5hehvIg1U7rfIGSW7yAmB
ji512gGjxX6p/k98O2+1DNJ9c8zf6CvHEt+A2KKaZHkJDV/J5aZeJzfmT3rSq+qu
6BQTTYOtPEI7m/u20I5zzeJ1MBE0gE31O+ng3trHf4HzN82T9AZKB0lthLiX4TKK
3V5TkyNr+k0=
=JpAp
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce