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RedHat: RHSA-2020-2476-01 Important: .NET Core Denial of Service Fix

red hat
Calendar Grey June 10, 2020
Dist Redhat Esm H88
Critical patch for .NET Core on Red Hat Enterprise Linux 7 classified as significant, tackling service disruption vulnerabilities.
An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux 7

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 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.
A new version of .NET Core that addresses a security vulnerability is now available. The updated version is .NET Core Runtime 2.1.19 and SDK 2.1.515.
Security Fix(es):
* dotnet: Denial of service via untrusted input (CVE-2020-1108)
This is an additional update to comprehensively address CVE-2020-1108.
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.

Topics%20covered

Topics Covered

security advisory denial of service important security impact red hat enterprise dotnet

References

https://access.redhat.com/security/cve/CVE-2020-1108 https://access.redhat.com/security/updates/classification#important

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.515-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-18.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.19-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.515-1.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.515-1.el7.x86_64.rpm rh-dotnet21-runtime-2.1-18.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet21-2.1-18.el7.src.rpm rh-dotnet21-dotnet-2.1.515-1.el7.src.rpm
x86_64: rh-dotnet21-2.1-18.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.515-1.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2476-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2476
Issue date: 2020-06-10

Topic

An update for rh-dotnet21-dotnet is now available for .NET Core on Red HatEnterprise Linux 7.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 denial of service important security impact red hat enterprise 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

1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input

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