Red Hat Security Advisory 2021-3818-01 – Torchsec
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: .NET 5.0 on RHEL 7 security and bugfix update
Advisory ID: RHSA-2021:3818-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3818
Issue date: 2021-10-12
CVE Names: CVE-2021-41355
=====================================================================
1. Summary:
An update for rh-dotnet50-dotnet is now available for .NET 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 a security vulnerability are now
available. The updated versions are .NET SDK 5.0.208 and .NET Runtime
5.0.11.
Security Fix(es):
* dotnet: System.DirectoryServices.Protocols.LdapConnection sends
credentials in plaintext if TLS handshake fails (CVE-2021-41355)
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/):
2006504 - Bootstrap and build .NET 5 using a previously built .NET 5 SDK
2011487 - CVE-2021-41355 dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails
6. Package List:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm
x86_64:
rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source:
rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm
x86_64:
rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-dotnet50-dotnet-5.0.208-1.el7_9.src.rpm
x86_64:
rh-dotnet50-aspnetcore-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-apphost-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-debuginfo-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-host-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-hostfxr-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-runtime-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-sdk-5.0-source-built-artifacts-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-targeting-pack-5.0-5.0.11-1.el7_9.x86_64.rpm
rh-dotnet50-dotnet-templates-5.0-5.0.208-1.el7_9.x86_64.rpm
rh-dotnet50-netstandard-targeting-pack-2.1-5.0.208-1.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-2021-41355
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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