Red Hat Security Advisory 2022-0830-01 - .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 security vulnerabilities are now available. The updated versions are .NET SDK 5.0.212 and .NET Runtime 5.0.15. Issues addressed include buffer overflow and denial of service vulnerabilities.
6dd6c1cb9adbfc4055c8ee7cce3944c3ff9387565687e501c16a984fcb533b3d
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: .NET 5.0 security and bugfix update
Advisory ID: RHSA-2022:0830-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0830
Issue date: 2022-03-10
CVE Names: CVE-2020-8927 CVE-2022-24464 CVE-2022-24512
=====================================================================
1. Summary:
An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.
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 (v. 8) - x86_64
Red Hat Enterprise Linux AppStream (v. 8) - 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 security vulnerabilities are now
available. The updated versions are .NET SDK 5.0.212 and .NET Runtime
5.0.15.
Security Fix(es):
* dotnet: ASP.NET Denial of Service via FormPipeReader (CVE-2022-24464)
* dotnet: double parser stack buffer overrun (CVE-2022-24512)
* brotli: buffer overflow when input chunk is larger than 2GiB
(CVE-2020-8927)
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/):
1879225 - CVE-2020-8927 brotli: buffer overflow when input chunk is larger than 2GiB
2061847 - CVE-2022-24464 dotnet: ASP.NET Denial of Service via FormPipeReader
2061854 - CVE-2022-24512 dotnet: double parser stack buffer overrun
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
dotnet5.0-5.0.212-1.el8_5.src.rpm
x86_64:
aspnetcore-runtime-5.0-5.0.15-1.el8_5.x86_64.rpm
aspnetcore-targeting-pack-5.0-5.0.15-1.el8_5.x86_64.rpm
dotnet-apphost-pack-5.0-5.0.15-1.el8_5.x86_64.rpm
dotnet-apphost-pack-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-hostfxr-5.0-5.0.15-1.el8_5.x86_64.rpm
dotnet-hostfxr-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-runtime-5.0-5.0.15-1.el8_5.x86_64.rpm
dotnet-runtime-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-sdk-5.0-5.0.212-1.el8_5.x86_64.rpm
dotnet-sdk-5.0-debuginfo-5.0.212-1.el8_5.x86_64.rpm
dotnet-targeting-pack-5.0-5.0.15-1.el8_5.x86_64.rpm
dotnet-templates-5.0-5.0.212-1.el8_5.x86_64.rpm
dotnet5.0-debuginfo-5.0.212-1.el8_5.x86_64.rpm
dotnet5.0-debugsource-5.0.212-1.el8_5.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
x86_64:
dotnet-apphost-pack-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-hostfxr-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-runtime-5.0-debuginfo-5.0.15-1.el8_5.x86_64.rpm
dotnet-sdk-5.0-debuginfo-5.0.212-1.el8_5.x86_64.rpm
dotnet-sdk-5.0-source-built-artifacts-5.0.212-1.el8_5.x86_64.rpm
dotnet5.0-debuginfo-5.0.212-1.el8_5.x86_64.rpm
dotnet5.0-debugsource-5.0.212-1.el8_5.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-2020-8927
https://access.redhat.com/security/cve/CVE-2022-24464
https://access.redhat.com/security/cve/CVE-2022-24512
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 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=20Pi
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce