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AUSCERT External Security Bulletin Redistribution
ESB-2021.2723
.NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update
12 August 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: .NET Core 2.1
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-34485
Reference: ASB-2021.0172
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:3144
https://access.redhat.com/errata/RHSA-2021:3145
Comment: This bulletin contains two (2) Red Hat security advisories.
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=====================================================================
Red Hat Security Advisory
Synopsis: Low: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update
Advisory ID: RHSA-2021:3144-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3144
Issue date: 2021-08-11
CVE Names: CVE-2021-34485
=====================================================================
1. Summary:
An update for .NET Core 2.1 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 Low. 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 2.1.525 and .NET Core
Runtime 2.1.29.
Security Fix(es):
* dotnet: Dump file created world-readable (CVE-2021-34485)
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/):
1990286 - CVE-2021-34485 dotnet: Dump file created world-readable
6. Package List:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
rh-dotnet21-2.1-28.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm
x86_64:
rh-dotnet21-2.1-28.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-28.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source:
rh-dotnet21-2.1-28.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm
x86_64:
rh-dotnet21-2.1-28.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-28.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-dotnet21-2.1-28.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm
x86_64:
rh-dotnet21-2.1-28.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-28.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-2021-34485
https://access.redhat.com/security/updates/classification/#low
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.
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=====================================================================
Red Hat Security Advisory
Synopsis: Low: .NET Core 2.1 security and bugfix update
Advisory ID: RHSA-2021:3145-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3145
Issue date: 2021-08-11
CVE Names: CVE-2021-34485
=====================================================================
1. Summary:
An update for .NET Core 2.1 is now available for Red Hat Enterprise Linux
8.
Red Hat Product Security has rated this update as having a security impact
of Low. 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 a security vulnerability are now
available. The updated versions are .NET Core SDK 2.1.525 and .NET Core
Runtime 2.1.29.
Security Fix(es):
* dotnet: Dump file created world-readable (CVE-2021-34485)
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/):
1990286 - CVE-2021-34485 dotnet: Dump file created world-readable
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
dotnet-2.1.525-1.el8_4.src.rpm
x86_64:
dotnet-debuginfo-2.1.525-1.el8_4.x86_64.rpm
dotnet-debugsource-2.1.525-1.el8_4.x86_64.rpm
dotnet-host-fxr-2.1-2.1.29-1.el8_4.x86_64.rpm
dotnet-host-fxr-2.1-debuginfo-2.1.29-1.el8_4.x86_64.rpm
dotnet-runtime-2.1-2.1.29-1.el8_4.x86_64.rpm
dotnet-runtime-2.1-debuginfo-2.1.29-1.el8_4.x86_64.rpm
dotnet-sdk-2.1-2.1.525-1.el8_4.x86_64.rpm
dotnet-sdk-2.1.5xx-2.1.525-1.el8_4.x86_64.rpm
dotnet-sdk-2.1.5xx-debuginfo-2.1.525-1.el8_4.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-2021-34485
https://access.redhat.com/security/updates/classification/#low
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.
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