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Red Hat Product Errata RHSA-2021:3144 - Security Advisory
Issued:
2021-08-11
Updated:
2021-08-11

RHSA-2021:3144 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

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

Type/Severity

Security Advisory: Low

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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.

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.

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 - 1990286 - CVE-2021-34485 dotnet: Dump file created world-readable

CVEs

  • CVE-2021-34485

References

  • https://access.redhat.com/security/updates/classification/#low
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-dotnet21-2.1-28.el7_9.src.rpm SHA-256: 2dc24d68105bb00fbeae0ecb86cb99dcb6b901f7ea547462aeb6c7b5c9dcce5e
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm SHA-256: e74097e25631be9b37484731f88e5e6289ff68dd6a1d2656cdeea78a8706ed78
x86_64
rh-dotnet21-2.1-28.el7_9.x86_64.rpm SHA-256: e40b36f2a44580764ffd19e7a3eafae782d3e68a188b81dea786850a3a8517a5
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm SHA-256: 8acd8c8c902279a9baa9c272649596b18a6857892d3ac0cea34783bd88fe6ac1
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm SHA-256: 38e94fa018963cf2b19395a69cfd7b8c8bf56b79857f825d65c6075146af6f45
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm SHA-256: 9312c0f84d6373094c4cde0f8ee2c4374017e8df45b32ef7e51e60fcbc54c999
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm SHA-256: c586f58b67fca13484e01690b2d17c41bf561477315b308a257f622a49ee5fa2
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm SHA-256: 2d8fc1cf44a3dc758f7f3f14523c612001c7fb518f60775cd9dec88417c6012d
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm SHA-256: d81fab8f18891cf895b41aa914632071159db73afab4f6c5348d9dd02c27b13e
rh-dotnet21-runtime-2.1-28.el7_9.x86_64.rpm SHA-256: 8b0f18cbf2f40a102f0dc2edb2ca5420202e03d2e9791930739ac824416ad665

dotNET on RHEL (for RHEL Workstation) 1

SRPM
rh-dotnet21-2.1-28.el7_9.src.rpm SHA-256: 2dc24d68105bb00fbeae0ecb86cb99dcb6b901f7ea547462aeb6c7b5c9dcce5e
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm SHA-256: e74097e25631be9b37484731f88e5e6289ff68dd6a1d2656cdeea78a8706ed78
x86_64
rh-dotnet21-2.1-28.el7_9.x86_64.rpm SHA-256: e40b36f2a44580764ffd19e7a3eafae782d3e68a188b81dea786850a3a8517a5
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm SHA-256: 8acd8c8c902279a9baa9c272649596b18a6857892d3ac0cea34783bd88fe6ac1
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm SHA-256: 38e94fa018963cf2b19395a69cfd7b8c8bf56b79857f825d65c6075146af6f45
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm SHA-256: 9312c0f84d6373094c4cde0f8ee2c4374017e8df45b32ef7e51e60fcbc54c999
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm SHA-256: c586f58b67fca13484e01690b2d17c41bf561477315b308a257f622a49ee5fa2
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm SHA-256: 2d8fc1cf44a3dc758f7f3f14523c612001c7fb518f60775cd9dec88417c6012d
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm SHA-256: d81fab8f18891cf895b41aa914632071159db73afab4f6c5348d9dd02c27b13e
rh-dotnet21-runtime-2.1-28.el7_9.x86_64.rpm SHA-256: 8b0f18cbf2f40a102f0dc2edb2ca5420202e03d2e9791930739ac824416ad665

dotNET on RHEL (for RHEL Compute Node) 1

SRPM
rh-dotnet21-2.1-28.el7_9.src.rpm SHA-256: 2dc24d68105bb00fbeae0ecb86cb99dcb6b901f7ea547462aeb6c7b5c9dcce5e
rh-dotnet21-dotnet-2.1.525-1.el7_9.src.rpm SHA-256: e74097e25631be9b37484731f88e5e6289ff68dd6a1d2656cdeea78a8706ed78
x86_64
rh-dotnet21-2.1-28.el7_9.x86_64.rpm SHA-256: e40b36f2a44580764ffd19e7a3eafae782d3e68a188b81dea786850a3a8517a5
rh-dotnet21-dotnet-2.1.525-1.el7_9.x86_64.rpm SHA-256: 8acd8c8c902279a9baa9c272649596b18a6857892d3ac0cea34783bd88fe6ac1
rh-dotnet21-dotnet-debuginfo-2.1.525-1.el7_9.x86_64.rpm SHA-256: 38e94fa018963cf2b19395a69cfd7b8c8bf56b79857f825d65c6075146af6f45
rh-dotnet21-dotnet-host-2.1.29-1.el7_9.x86_64.rpm SHA-256: 9312c0f84d6373094c4cde0f8ee2c4374017e8df45b32ef7e51e60fcbc54c999
rh-dotnet21-dotnet-runtime-2.1-2.1.29-1.el7_9.x86_64.rpm SHA-256: c586f58b67fca13484e01690b2d17c41bf561477315b308a257f622a49ee5fa2
rh-dotnet21-dotnet-sdk-2.1-2.1.525-1.el7_9.x86_64.rpm SHA-256: 2d8fc1cf44a3dc758f7f3f14523c612001c7fb518f60775cd9dec88417c6012d
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.525-1.el7_9.x86_64.rpm SHA-256: d81fab8f18891cf895b41aa914632071159db73afab4f6c5348d9dd02c27b13e
rh-dotnet21-runtime-2.1-28.el7_9.x86_64.rpm SHA-256: 8b0f18cbf2f40a102f0dc2edb2ca5420202e03d2e9791930739ac824416ad665

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

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