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Red Hat Enterprise Linux 8: RHSA-2020-2250-01 Critical dotnet3.1 DoS

red hat
Calendar Grey May 21, 2020
Dist Redhat Esm H88
A significant update for dotnet3.1 has been released for Red Hat Enterprise Linux 8, focusing on resolving pivotal vulnerabilities.
An update for dotnet3.1 is now available for Red Hat Enterprise Linux 8

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.
New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core SDK 3.1.104 and .NET Core Runtime 3.1.4.
Security Fixes:
* dotnet: Denial of service via untrusted input (CVE-2020-1108) * dotnet: Denial of service due to infinite loop (CVE-2020-1161)
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 Red Hat Enterprise Linux important security impact dotnet

References

https://access.redhat.com/security/cve/CVE-2020-1108 https://access.redhat.com/security/cve/CVE-2020-1161 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet3.1-3.1.104-2.el8_2.src.rpm
x86_64: aspnetcore-runtime-3.1-3.1.4-2.el8_2.x86_64.rpm aspnetcore-targeting-pack-3.1-3.1.4-2.el8_2.x86_64.rpm dotnet-3.1.104-2.el8_2.x86_64.rpm dotnet-apphost-pack-3.1-3.1.4-2.el8_2.x86_64.rpm dotnet-apphost-pack-3.1-debuginfo-3.1.4-2.el8_2.x86_64.rpm dotnet-host-3.1.4-2.el8_2.x86_64.rpm dotnet-host-debuginfo-3.1.4-2.el8_2.x86_64.rpm dotnet-hostfxr-3.1-3.1.4-2.el8_2.x86_64.rpm dotnet-hostfxr-3.1-debuginfo-3.1.4-2.el8_2.x86_64.rpm dotnet-runtime-3.1-3.1.4-2.el8_2.x86_64.rpm dotnet-runtime-3.1-debuginfo-3.1.4-2.el8_2.x86_64.rpm dotnet-sdk-3.1-3.1.104-2.el8_2.x86_64.rpm dotnet-sdk-3.1-debuginfo-3.1.104-2.el8_2.x86_64.rpm dotnet-targeting-pack-3.1-3.1.4-2.el8_2.x86_64.rpm dotnet-templates-3.1-3.1.104-2.el8_2.x86_64.rpm dotnet3.1-debuginfo-3.1.104-2.el8_2.x86_64.rpm dotnet3.1-debugsource-3.1.104-2.el8_2.x86_64.rpm netstandard-targeting-pack-2.1-3.1.104-2.el8_2.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2250-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2250
Issue date: 2020-05-21

Topic

An update for dotnet3.1 is now available for Red Hat Enterprise Linux 8.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 Red Hat Enterprise Linux important security impact dotnet

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - x86_64

Bugs Fixed

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

1827645 - CVE-2020-1161 dotnet: Denial of service due to infinite loop

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