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Red Hat Enterprise Linux 7 RHSA-2021:1546-01 Important .NET 5.0 Update

red hat
Calendar Grey May 12, 2021
Dist Redhat Esm H88
The latest enhancement for .NET 5.0 on Red Hat Enterprise Linux resolves significant security vulnerabilities, promoting enhanced safety for implementations.
An update for rh-dotnet50-dotnet is now available for .NET on Red Hat Enterprise Linux

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

Summary

.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 5.0.203 and .NET Runtime 5.0.6.
Security Fix(es):
* dotnet: .NET Core single-file application privilege escalation (CVE-2021-31204)
In order for the update to be complete, self-contained applications deployed using previous versions need to be recompiled and redeployed.
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.

Topics%20covered

Topics Covered

security advisory update red hat privilege escalation important bugfix dotnet

References

https://access.redhat.com/security/cve/CVE-2021-31204 https://access.redhat.com/security/updates/classification#important

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet50-dotnet-5.0.203-1.el7_9.src.rpm
x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-hostfxr-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-runtime-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-sdk-5.0-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-targeting-pack-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-templates-5.0-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-netstandard-targeting-pack-2.1-5.0.203-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet50-dotnet-5.0.203-1.el7_9.src.rpm
x86_64: rh-dotnet50-aspnetcore-runtime-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-apphost-pack-5.0-5.0.6-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-debuginfo-5.0.203-1.el7_9.x86_64.rpm rh-dotnet50-dotnet-host-5.0.6-1.el7_9.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:1546-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1546
Issue date: 2021-05-12

Topic

An update for rh-dotnet50-dotnet is now available for .NET on Red HatEnterprise Linux.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update red hat privilege escalation important bugfix dotnet

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

Bugs Fixed

1956815 - CVE-2021-31204 dotnet: .NET Core single-file application privilege escalation

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