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RedHat Enterprise Linux 8 RHSA-2023:4643-01 Important: .NET 7.0 RCE and DoS

red hat
Calendar Grey August 14, 2023
Dist Redhat Esm H88
Explore essential aspects of the recent Red Hat .NET 7.0 security advisory, highlighting important fixes and improvements implemented.
An update for .NET 7.0 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 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 7.0.110 and .NET Runtime 7.0.10.
Security Fix(es):
* dotnet: RCE under dotnet commands (CVE-2023-35390)
* dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack (CVE-2023-38180)
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 update important redhat dos dotnet rce

References

https://access.redhat.com/security/cve/CVE-2023-35390 https://access.redhat.com/security/cve/CVE-2023-38180 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet7.0-7.0.110-1.el8_8.src.rpm
aarch64: aspnetcore-runtime-7.0-7.0.10-1.el8_8.aarch64.rpm aspnetcore-targeting-pack-7.0-7.0.10-1.el8_8.aarch64.rpm dotnet-7.0.110-1.el8_8.aarch64.rpm dotnet-apphost-pack-7.0-7.0.10-1.el8_8.aarch64.rpm dotnet-apphost-pack-7.0-debuginfo-7.0.10-1.el8_8.aarch64.rpm dotnet-host-7.0.10-1.el8_8.aarch64.rpm dotnet-host-debuginfo-7.0.10-1.el8_8.aarch64.rpm dotnet-hostfxr-7.0-7.0.10-1.el8_8.aarch64.rpm dotnet-hostfxr-7.0-debuginfo-7.0.10-1.el8_8.aarch64.rpm dotnet-runtime-7.0-7.0.10-1.el8_8.aarch64.rpm dotnet-runtime-7.0-debuginfo-7.0.10-1.el8_8.aarch64.rpm dotnet-sdk-7.0-7.0.110-1.el8_8.aarch64.rpm dotnet-sdk-7.0-debuginfo-7.0.110-1.el8_8.aarch64.rpm dotnet-targeting-pack-7.0-7.0.10-1.el8_8.aarch64.rpm dotnet-templates-7.0-7.0.110-1.el8_8.aarch64.rpm dotnet7.0-debuginfo-7.0.110-1.el8_8.aarch64.rpm dotnet7.0-debugsource-7.0.110-1.el8_8.aarch64.rpm netstandard-targeting-pack-2.1-7.0.110-1.el8_8.aarch64.rpm
ppc64le: aspnetcore-runtime-7.0-7.0.10-1.el8_8.ppc64le.rpm aspnetcore-targeting-pack-7.0-7.0.10-1.el8_8.ppc64le.rpm dotnet-7.0.110-1.el8_8.ppc64le.rpm dotnet-apphost-pack-7.0-7.0.10-1.el8_8.ppc64le.rpm dotnet-apphost-pack-7.0-debuginfo-7.0.10-1.el8_8.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4643-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4643
Issue date: 2023-08-14

Topic

An update for .NET 7.0 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 update important redhat dos dotnet rce

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2228621 - CVE-2023-38180 dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack

2228622 - CVE-2023-35390 dotnet: RCE under dotnet commands

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