Issued:

2023-10-16

Updated:

2023-10-16

RHSA-2023:5749 - Important: .NET 7.0 security update

Synopsis

Important: .NET 7.0 security update

Type/Severity

Security Advisory Important

Topic

An update for .NET 7.0 is now available for Red Hat Enterprise Linux 9.

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.

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 7.0 to SDK 7.0.112 and Runtime 7.0.12.

Security Fix(es):

• HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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.

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

Updated Packages

• dotnet-sdk-7.0-7.0.112-1.el9_2.aarch64.rpm
• dotnet-host-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-runtime-7.0-debuginfo-7.0.12-1.el9_2.x86_64.rpm
• dotnet7.0-debuginfo-7.0.112-1.el9_2.aarch64.rpm
• dotnet-targeting-pack-7.0-7.0.12-1.el9_2.aarch64.rpm
• dotnet-targeting-pack-7.0-7.0.12-1.el9_2.x86_64.rpm
• dotnet-apphost-pack-7.0-debuginfo-7.0.12-1.el9_2.x86_64.rpm
• dotnet-hostfxr-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-hostfxr-7.0-debuginfo-7.0.12-1.el9_2.s390x.rpm
• dotnet-runtime-7.0-7.0.12-1.el9_2.s390x.rpm
• dotnet-sdk-7.0-7.0.112-1.el9_2.s390x.rpm
• dotnet7.0-7.0.112-1.el9_2.src.rpm
• dotnet-host-debuginfo-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-targeting-pack-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet7.0-debugsource-7.0.112-1.el9_2.ppc64le.rpm
• netstandard-targeting-pack-2.1-7.0.112-1.el9_2.x86_64.rpm
• dotnet-sdk-7.0-7.0.112-1.el9_2.x86_64.rpm
• dotnet-host-debuginfo-7.0.12-1.el9_2.x86_64.rpm
• dotnet7.0-debuginfo-7.0.112-1.el9_2.ppc64le.rpm
• dotnet7.0-debugsource-7.0.112-1.el9_2.aarch64.rpm
• dotnet-targeting-pack-7.0-7.0.12-1.el9_2.s390x.rpm
• netstandard-targeting-pack-2.1-7.0.112-1.el9_2.aarch64.rpm
• aspnetcore-runtime-7.0-7.0.12-1.el9_2.s390x.rpm
• dotnet-apphost-pack-7.0-debuginfo-7.0.12-1.el9_2.ppc64le.rpm
• dotnet7.0-debugsource-7.0.112-1.el9_2.x86_64.rpm
• dotnet-sdk-7.0-source-built-artifacts-7.0.112-1.el9_2.s390x.rpm
• dotnet-apphost-pack-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-sdk-7.0-7.0.112-1.el9_2.ppc64le.rpm
• dotnet-runtime-7.0-7.0.12-1.el9_2.x86_64.rpm
• dotnet-templates-7.0-7.0.112-1.el9_2.aarch64.rpm
• dotnet-runtime-7.0-debuginfo-7.0.12-1.el9_2.aarch64.rpm
• netstandard-targeting-pack-2.1-7.0.112-1.el9_2.s390x.rpm
• dotnet-runtime-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-apphost-pack-7.0-debuginfo-7.0.12-1.el9_2.s390x.rpm
• dotnet-runtime-7.0-debuginfo-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-sdk-7.0-source-built-artifacts-7.0.112-1.el9_2.ppc64le.rpm
• dotnet-host-7.0.12-1.el9_2.aarch64.rpm
• dotnet-hostfxr-7.0-debuginfo-7.0.12-1.el9_2.aarch64.rpm
• dotnet-runtime-7.0-debuginfo-7.0.12-1.el9_2.s390x.rpm
• aspnetcore-runtime-7.0-7.0.12-1.el9_2.x86_64.rpm
• dotnet-templates-7.0-7.0.112-1.el9_2.s390x.rpm
• netstandard-targeting-pack-2.1-7.0.112-1.el9_2.ppc64le.rpm
• aspnetcore-targeting-pack-7.0-7.0.12-1.el9_2.aarch64.rpm
• dotnet-sdk-7.0-debuginfo-7.0.112-1.el9_2.x86_64.rpm
• dotnet-templates-7.0-7.0.112-1.el9_2.x86_64.rpm
• aspnetcore-runtime-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-host-7.0.12-1.el9_2.x86_64.rpm
• aspnetcore-targeting-pack-7.0-7.0.12-1.el9_2.x86_64.rpm
• dotnet-templates-7.0-7.0.112-1.el9_2.ppc64le.rpm
• dotnet-apphost-pack-7.0-7.0.12-1.el9_2.s390x.rpm
• dotnet-sdk-7.0-debuginfo-7.0.112-1.el9_2.aarch64.rpm
• dotnet-hostfxr-7.0-debuginfo-7.0.12-1.el9_2.ppc64le.rpm
• dotnet7.0-debuginfo-7.0.112-1.el9_2.x86_64.rpm
• dotnet-sdk-7.0-source-built-artifacts-7.0.112-1.el9_2.aarch64.rpm
• dotnet-sdk-7.0-source-built-artifacts-7.0.112-1.el9_2.x86_64.rpm
• dotnet-sdk-7.0-debuginfo-7.0.112-1.el9_2.ppc64le.rpm
• aspnetcore-targeting-pack-7.0-7.0.12-1.el9_2.ppc64le.rpm
• dotnet-runtime-7.0-7.0.12-1.el9_2.aarch64.rpm
• aspnetcore-targeting-pack-7.0-7.0.12-1.el9_2.s390x.rpm
• dotnet-hostfxr-7.0-7.0.12-1.el9_2.aarch64.rpm
• dotnet-host-7.0.12-1.el9_2.s390x.rpm
• dotnet-host-debuginfo-7.0.12-1.el9_2.aarch64.rpm
• dotnet-apphost-pack-7.0-7.0.12-1.el9_2.x86_64.rpm
• dotnet7.0-debugsource-7.0.112-1.el9_2.s390x.rpm
• dotnet-sdk-7.0-debuginfo-7.0.112-1.el9_2.s390x.rpm
• dotnet-hostfxr-7.0-debuginfo-7.0.12-1.el9_2.x86_64.rpm
• dotnet-apphost-pack-7.0-debuginfo-7.0.12-1.el9_2.aarch64.rpm
• dotnet-apphost-pack-7.0-7.0.12-1.el9_2.aarch64.rpm
• dotnet-hostfxr-7.0-7.0.12-1.el9_2.x86_64.rpm
• aspnetcore-runtime-7.0-7.0.12-1.el9_2.aarch64.rpm
• dotnet-hostfxr-7.0-7.0.12-1.el9_2.s390x.rpm
• dotnet7.0-debuginfo-7.0.112-1.el9_2.s390x.rpm
• dotnet-host-debuginfo-7.0.12-1.el9_2.s390x.rpm

Fixes

• This content is not included.BZ - 2242803

CVEs

• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• This content is not included.This content is not included.https://access.redhat.com/security/vulnerabilities/RHSB-2023-003

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.