[RHSA-2023:4448-01] Important: .NET 6.0 security update
==================================================================== Red Hat Security Advisory
Synopsis: Important: .NET 6.0 security update
Advisory ID: RHSA-2023:4448-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4448
Issue date: 2023-08-03
CVE Names: CVE-2023-29331 CVE-2023-29337 CVE-2023-33128
CVE-2023-33170
====================================================================
1. Summary:
An update for .NET 6.0 is now available for Red Hat Enterprise Linux 8.6
Extended Update Support.
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.
2. Relevant releases/architectures:
Red Hat CodeReady Linux Builder EUS (v.8.6) - aarch64, s390x, x86_64
Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, s390x, x86_64
3. 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 6.0.120 and .NET Runtime
6.0.20.
Security Fix(es):
* dotnet: .NET Kestrel: Denial of Service processing X509 Certificates
(CVE-2023-29331)
* dotnet: vulnerability exists in NuGet where a potential race condition
can lead to a symlink attack (CVE-2023-29337)
* dotnet: Remote Code Execution - Source generators issue can lead to a
crash due to unmanaged heap corruption (CVE-2023-33128)
* dotnet: race condition in Core SignInManager PasswordSignInAsync
method (CVE-2023-33170)
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.
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
2212617 - CVE-2023-29331 dotnet: .NET Kestrel: Denial of Service processing X509 Certificates
2212618 - CVE-2023-33128 dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption
2213703 - CVE-2023-29337 dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack
2221854 - CVE-2023-33170 dotnet: race condition in Core SignInManager PasswordSignInAsync method
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v.8.6):
Source:
dotnet6.0-6.0.120-1.el8_6.src.rpm
aarch64:
aspnetcore-runtime-6.0-6.0.20-1.el8_6.aarch64.rpm
aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.aarch64.rpm
dotnet-6.0.120-1.el8_6.aarch64.rpm
dotnet-apphost-pack-6.0-6.0.20-1.el8_6.aarch64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-host-6.0.20-1.el8_6.aarch64.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-hostfxr-6.0-6.0.20-1.el8_6.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-runtime-6.0-6.0.20-1.el8_6.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-sdk-6.0-6.0.120-1.el8_6.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm
dotnet-targeting-pack-6.0-6.0.20-1.el8_6.aarch64.rpm
dotnet-templates-6.0-6.0.120-1.el8_6.aarch64.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.aarch64.rpm
netstandard-targeting-pack-2.1-6.0.120-1.el8_6.aarch64.rpm
s390x:
aspnetcore-runtime-6.0-6.0.20-1.el8_6.s390x.rpm
aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.s390x.rpm
dotnet-6.0.120-1.el8_6.s390x.rpm
dotnet-apphost-pack-6.0-6.0.20-1.el8_6.s390x.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-host-6.0.20-1.el8_6.s390x.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-hostfxr-6.0-6.0.20-1.el8_6.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-runtime-6.0-6.0.20-1.el8_6.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-sdk-6.0-6.0.120-1.el8_6.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm
dotnet-targeting-pack-6.0-6.0.20-1.el8_6.s390x.rpm
dotnet-templates-6.0-6.0.120-1.el8_6.s390x.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.s390x.rpm
netstandard-targeting-pack-2.1-6.0.120-1.el8_6.s390x.rpm
x86_64:
aspnetcore-runtime-6.0-6.0.20-1.el8_6.x86_64.rpm
aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.x86_64.rpm
dotnet-6.0.120-1.el8_6.x86_64.rpm
dotnet-apphost-pack-6.0-6.0.20-1.el8_6.x86_64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-host-6.0.20-1.el8_6.x86_64.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-hostfxr-6.0-6.0.20-1.el8_6.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-runtime-6.0-6.0.20-1.el8_6.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-sdk-6.0-6.0.120-1.el8_6.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm
dotnet-targeting-pack-6.0-6.0.20-1.el8_6.x86_64.rpm
dotnet-templates-6.0-6.0.120-1.el8_6.x86_64.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.x86_64.rpm
netstandard-targeting-pack-2.1-6.0.120-1.el8_6.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v.8.6):
aarch64:
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.aarch64.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.aarch64.rpm
s390x:
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.s390x.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.s390x.rpm
x86_64:
dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-host-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.x86_64.rpm
dotnet6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm
dotnet6.0-debugsource-6.0.120-1.el8_6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2023-29331
https://access.redhat.com/security/cve/CVE-2023-29337
https://access.redhat.com/security/cve/CVE-2023-33128
https://access.redhat.com/security/cve/CVE-2023-33170
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is [secalert@redhat.com]. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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A .NET 6.0 security update has been released for Red Hat Enterprise Linux 8.6.
