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Red Hat Product Errata RHSA-2021:0470 - Security Advisory
Issued:
2021-02-10
Updated:
2021-02-10

RHSA-2021:0470 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for rh-dotnet21-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.

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 2.1.521 and .NET Core Runtime 2.1.25.

Security Fix(es):

  • dotnet: certificate chain building recursion Denial of Service (CVE-2021-1721)

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.

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

Affected Products

  • dotNET on RHEL (for RHEL Server) 1 x86_64
  • dotNET on RHEL (for RHEL Workstation) 1 x86_64
  • dotNET on RHEL (for RHEL Compute Node) 1 x86_64

Fixes

  • BZ - 1926918 - CVE-2021-1721 dotnet: certificate chain building recursion Denial of Service

CVEs

  • CVE-2021-1721

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

dotNET on RHEL (for RHEL Server) 1

SRPM
rh-dotnet21-2.1-24.el7_9.src.rpm SHA-256: 4650178fef674b685d60e13b56abd6a4e385888961a2cf2c3816535a7c965363
rh-dotnet21-dotnet-2.1.521-1.el7_9.src.rpm SHA-256: e2e41151b59b8ff51d523aa2c38579dccea38346e3e18a473a5d0acdf824c066
x86_64
rh-dotnet21-2.1-24.el7_9.x86_64.rpm SHA-256: 10516e7cd75ad6764dff6e994800167197bc03d7952570a4fce38b75c1a0cf0d
rh-dotnet21-dotnet-2.1.521-1.el7_9.x86_64.rpm SHA-256: 12422f85951c5144d0f5e1f375c18bca91baad68f494d0cae50e01a1dc0cea3b
rh-dotnet21-dotnet-debuginfo-2.1.521-1.el7_9.x86_64.rpm SHA-256: 8611934769e2939c730049c00c0e7b673e137c81a91630de5200c6e38eb9ae38
rh-dotnet21-dotnet-host-2.1.25-1.el7_9.x86_64.rpm SHA-256: 1046a54da23ceecc3d10b424f3a11fe36ed5d062ec74cfe852acbc57bc891d62
rh-dotnet21-dotnet-runtime-2.1-2.1.25-1.el7_9.x86_64.rpm SHA-256: d4006d0a56244b88a7d55e08fcf8f5f88a01565f2fc3a918a8777eebacf8e95a
rh-dotnet21-dotnet-sdk-2.1-2.1.521-1.el7_9.x86_64.rpm SHA-256: 92668af3183a97bffa3178dbb7ae145f53d3bc233f14315ab57f9730719772aa
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.521-1.el7_9.x86_64.rpm SHA-256: 218532e4ec411b0e2e5767f358d8ecce4e6cecf5d3ee51bad68a5097779837f5
rh-dotnet21-runtime-2.1-24.el7_9.x86_64.rpm SHA-256: bdbff021572221ae84184d266d0025e98dc32f33aa872c537aef73c4b29a8e67

dotNET on RHEL (for RHEL Workstation) 1

SRPM
rh-dotnet21-2.1-24.el7_9.src.rpm SHA-256: 4650178fef674b685d60e13b56abd6a4e385888961a2cf2c3816535a7c965363
rh-dotnet21-dotnet-2.1.521-1.el7_9.src.rpm SHA-256: e2e41151b59b8ff51d523aa2c38579dccea38346e3e18a473a5d0acdf824c066
x86_64
rh-dotnet21-2.1-24.el7_9.x86_64.rpm SHA-256: 10516e7cd75ad6764dff6e994800167197bc03d7952570a4fce38b75c1a0cf0d
rh-dotnet21-dotnet-2.1.521-1.el7_9.x86_64.rpm SHA-256: 12422f85951c5144d0f5e1f375c18bca91baad68f494d0cae50e01a1dc0cea3b
rh-dotnet21-dotnet-debuginfo-2.1.521-1.el7_9.x86_64.rpm SHA-256: 8611934769e2939c730049c00c0e7b673e137c81a91630de5200c6e38eb9ae38
rh-dotnet21-dotnet-host-2.1.25-1.el7_9.x86_64.rpm SHA-256: 1046a54da23ceecc3d10b424f3a11fe36ed5d062ec74cfe852acbc57bc891d62
rh-dotnet21-dotnet-runtime-2.1-2.1.25-1.el7_9.x86_64.rpm SHA-256: d4006d0a56244b88a7d55e08fcf8f5f88a01565f2fc3a918a8777eebacf8e95a
rh-dotnet21-dotnet-sdk-2.1-2.1.521-1.el7_9.x86_64.rpm SHA-256: 92668af3183a97bffa3178dbb7ae145f53d3bc233f14315ab57f9730719772aa
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.521-1.el7_9.x86_64.rpm SHA-256: 218532e4ec411b0e2e5767f358d8ecce4e6cecf5d3ee51bad68a5097779837f5
rh-dotnet21-runtime-2.1-24.el7_9.x86_64.rpm SHA-256: bdbff021572221ae84184d266d0025e98dc32f33aa872c537aef73c4b29a8e67

dotNET on RHEL (for RHEL Compute Node) 1

SRPM
rh-dotnet21-2.1-24.el7_9.src.rpm SHA-256: 4650178fef674b685d60e13b56abd6a4e385888961a2cf2c3816535a7c965363
rh-dotnet21-dotnet-2.1.521-1.el7_9.src.rpm SHA-256: e2e41151b59b8ff51d523aa2c38579dccea38346e3e18a473a5d0acdf824c066
x86_64
rh-dotnet21-2.1-24.el7_9.x86_64.rpm SHA-256: 10516e7cd75ad6764dff6e994800167197bc03d7952570a4fce38b75c1a0cf0d
rh-dotnet21-dotnet-2.1.521-1.el7_9.x86_64.rpm SHA-256: 12422f85951c5144d0f5e1f375c18bca91baad68f494d0cae50e01a1dc0cea3b
rh-dotnet21-dotnet-debuginfo-2.1.521-1.el7_9.x86_64.rpm SHA-256: 8611934769e2939c730049c00c0e7b673e137c81a91630de5200c6e38eb9ae38
rh-dotnet21-dotnet-host-2.1.25-1.el7_9.x86_64.rpm SHA-256: 1046a54da23ceecc3d10b424f3a11fe36ed5d062ec74cfe852acbc57bc891d62
rh-dotnet21-dotnet-runtime-2.1-2.1.25-1.el7_9.x86_64.rpm SHA-256: d4006d0a56244b88a7d55e08fcf8f5f88a01565f2fc3a918a8777eebacf8e95a
rh-dotnet21-dotnet-sdk-2.1-2.1.521-1.el7_9.x86_64.rpm SHA-256: 92668af3183a97bffa3178dbb7ae145f53d3bc233f14315ab57f9730719772aa
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.521-1.el7_9.x86_64.rpm SHA-256: 218532e4ec411b0e2e5767f358d8ecce4e6cecf5d3ee51bad68a5097779837f5
rh-dotnet21-runtime-2.1-24.el7_9.x86_64.rpm SHA-256: bdbff021572221ae84184d266d0025e98dc32f33aa872c537aef73c4b29a8e67

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

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