RHSA-2023:5142 - Security Advisory

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 impact of Moderate. 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.

Description

.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.

Bug Fix(es):

• Update .NET 6.0 to SDK 6.0.122 and Runtime 6.0.22 (BZ#2236895)

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

Affected Products

• dotNET on RHEL (for RHEL Server) 1 x86_64
• dotNET on RHEL (for RHEL Workstation) 1 x86_64
• dotNET on RHEL (for RHEL Compute Node) 1 x86_64

Fixes

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

CVEs

• CVE-2023-36799

References

• https://access.redhat.com/security/updates/classification/#moderate