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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: .NET Core 3.1 on RHEL 7 security and bugfix update
Advisory ID:       RHSA-2022:2194-01
Product:           .NET Core on Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:2194
Issue date:        2022-05-11
CVE Names:         CVE-2022-23267 CVE-2022-29117 CVE-2022-29145 
====================================================================
1. Summary:

An update for .NET Core 3.1 is now available for Red Hat Enterprise Linux
7.

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.

2. 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

3. 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 3.1.419 and .NET Core
Runtime 3.1.25.

Security Fix(es):

* dotnet: excess memory allocation via HttpClient causes DoS
(CVE-2022-23267)

* dotnet: malicious content causes high CPU and memory usage
(CVE-2022-29117)

* dotnet: parsing HTML causes Denial of Service (CVE-2022-29145)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

2083647 - CVE-2022-29117 dotnet: malicious content causes high CPU and memory usage
2083649 - CVE-2022-29145 dotnet: parsing HTML causes Denial of Service
2083650 - CVE-2022-23267 dotnet: excess memory allocation via HttpClient causes DoS

6. Package List:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source:
rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm

x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.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/

7. References:

https://access.redhat.com/security/cve/CVE-2022-23267
https://access.redhat.com/security/cve/CVE-2022-29117
https://access.redhat.com/security/cve/CVE-2022-29145
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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RedHat: RHSA-2022-2194:01 Important: .NET Core 3.1 on RHEL 7 security and

An update for .NET Core 3.1 is now available for Red Hat Enterprise Linux 7

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 a security vulnerability are now available. The updated versions are .NET Core SDK 3.1.419 and .NET Core Runtime 3.1.25.
Security Fix(es):
* dotnet: excess memory allocation via HttpClient causes DoS (CVE-2022-23267)
* dotnet: malicious content causes high CPU and memory usage (CVE-2022-29117)
* dotnet: parsing HTML causes Denial of Service (CVE-2022-29145)
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.

Summary

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

References

https://access.redhat.com/security/cve/CVE-2022-23267 https://access.redhat.com/security/cve/CVE-2022-29117 https://access.redhat.com/security/cve/CVE-2022-29145 https://access.redhat.com/security/updates/classification/#important

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet31-dotnet-3.1.419-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-source-built-artifacts-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.25-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.419-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.419-1.el7_9.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

Advisory ID: RHSA-2022:2194-01

Product: .NET Core on Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2022:2194

Issued Date: : 2022-05-11

CVE Names: CVE-2022-23267 CVE-2022-29117 CVE-2022-29145

Topic

An update for .NET Core 3.1 is now available for Red Hat Enterprise Linux7.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.