Alerts This Week
Warning Icon 1 727
Alerts This Week
Warning Icon 1 727

Red Hat RHEL 7: RHSA-2022:2195-01 Important: .NET 6.0 DoS Threat

red hat
Calendar Grey May 11, 2022
Dist Redhat Esm H88
Red Hat provides essential information regarding a significant security patch for .NET 6.0 on RHEL 7, highlighting potential Denial of Service vulnerabilities.
An update for .NET 6.0 is now available for 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.
New versions of .NET Core that address a security vulnerability are now available. The updated versions are .NET Core SDK 6.0.105 and .NET Core Runtime 6.0.5.
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.

Topics%20covered

Topics Covered

security advisory Red Hat DoS security fix important RHEL 7 .NET Core

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-dotnet60-dotnet-6.0.105-1.el7_9.src.rpm
x86_64: rh-dotnet60-aspnetcore-runtime-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-apphost-pack-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-debuginfo-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-host-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-hostfxr-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-runtime-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-sdk-6.0-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-targeting-pack-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-templates-6.0-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-netstandard-targeting-pack-2.1-6.0.105-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet60-dotnet-6.0.105-1.el7_9.src.rpm
x86_64: rh-dotnet60-aspnetcore-runtime-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-6.0.105-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-apphost-pack-6.0-6.0.5-1.el7_9.x86_64.rpm rh-dotnet60-dotnet-debuginfo-6.0.105-1.el7_9.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:2195-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:2195
Issue date: 2022-05-11

Topic

An update for .NET 6.0 is now available for Red Hat Enterprise 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 Red Hat DoS security fix important RHEL 7 .NET Core

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

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here