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RedHat Enterprise Linux 9 RHSA-2023-5143-01 Moderate: .NET Kestrel DoS

red hat
Calendar Grey September 13, 2023
Scroller Redhat
Red Hat rolls out a significant security patch for .NET 6.0, addressing critical vulnerabilities in Enterprise Linux 9 along with effective remedies.
An update for .NET 6.0 is now available for Red Hat Enterprise Linux 9

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, 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 6.0.122 and .NET Runtime 6.0.22.
Security Fix(es):
* dotnet: Denial of Service with Client Certificates using .NET Kestrel (CVE-2023-36799)
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 Enterprise Linux Denial of Service security impact moderate dotnet 6.0

References

https://access.redhat.com/security/cve/CVE-2023-36799 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: dotnet6.0-6.0.122-1.el9_2.src.rpm
aarch64: aspnetcore-runtime-6.0-6.0.22-1.el9_2.aarch64.rpm aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2.aarch64.rpm dotnet-apphost-pack-6.0-6.0.22-1.el9_2.aarch64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm dotnet-hostfxr-6.0-6.0.22-1.el9_2.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm dotnet-runtime-6.0-6.0.22-1.el9_2.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm dotnet-sdk-6.0-6.0.122-1.el9_2.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm dotnet-targeting-pack-6.0-6.0.22-1.el9_2.aarch64.rpm dotnet-templates-6.0-6.0.122-1.el9_2.aarch64.rpm dotnet6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm dotnet6.0-debugsource-6.0.122-1.el9_2.aarch64.rpm
s390x: aspnetcore-runtime-6.0-6.0.22-1.el9_2.s390x.rpm aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2.s390x.rpm dotnet-apphost-pack-6.0-6.0.22-1.el9_2.s390x.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm dotnet-hostfxr-6.0-6.0.22-1.el9_2.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm dotnet-runtime-6.0-6.0.22-1.el9_2.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm dotnet-sdk-6.0-6.0.122-1.el9_2.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:5143-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5143
Issue date: 2023-09-13

Topic

An update for .NET 6.0 is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux Denial of Service security impact moderate dotnet 6.0

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, s390x, x86_64

Red Hat Enterprise Linux CRB (v. 9) - aarch64, s390x, x86_64

Bugs Fixed

2237317 - CVE-2023-36799 dotnet: Denial of Service with Client Certificates using .NET Kestrel

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