Headline
RHSA-2023:0078: Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update
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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Related CVEs:
- CVE-2023-21538: dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process
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Issued:
2023-01-11
Updated:
2023-01-11
RHSA-2023:0078 - Security Advisory
- Overview
- Updated Packages
Synopsis
Moderate: .NET 6.0 security, bug fix, and enhancement update
Type/Severity
Security Advisory: Moderate
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
View affected systems
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 6.0.113 and .NET Runtime 6.0.13.
The following packages have been upgraded to a later upstream version: rh-dotnet60-dotnet (6.0.113). (BZ#2154455)
Security Fix(es):
- dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process (CVE-2023-21538)
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.
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 - 2158342 - CVE-2023-21538 dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process
dotNET on RHEL (for RHEL Server) 1
SRPM
rh-dotnet60-dotnet-6.0.113-1.el7_9.src.rpm
SHA-256: de2cbe5aeeac553329db4291ff001f52614f2c171f200848212d8e688af6b60a
x86_64
rh-dotnet60-aspnetcore-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 4476bf5505aac4de66de8844e15849c13366f1608cc817a7f51d00da915d4288
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 71e0bb5761866dad217c3ed2608de587a3facc800df25d142d451e0f43ada1d7
rh-dotnet60-dotnet-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 109cbed51f789ffb913fdbeae833739dac6470ecf17d9a5256bc9d48d3603cd8
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 5ce26de00dfed0142f1362d0160e61f9aa7862b3c7f1dd19cd32ab78fb3bb8f3
rh-dotnet60-dotnet-debuginfo-6.0.113-1.el7_9.x86_64.rpm
SHA-256: e53c787acd40d3ae7b659b575723cc3e2a6ba6da7e9e89ba037d60c8e1ad2e98
rh-dotnet60-dotnet-host-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 2623b33f11fa1ed570c457dd99c27a0b580ce7545f88a935e36ebedbe0c360cf
rh-dotnet60-dotnet-hostfxr-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: ac2b9fa18e6540781e0bde648a62139c413675ceaccd57429caec6411edceef9
rh-dotnet60-dotnet-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: d0e5a1cb1cf71b205ed79fe81047cee2569ea06f1b00a4992866466e91f25c6c
rh-dotnet60-dotnet-sdk-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: cb3d7d84bec97cafffc505f380c994552f70e8c7162e3842186f67e533d610b4
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0e03ed32685c0995775c13d9207743368aefadeb350a668b888f6ee54c8aba1f
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 3ce3a058390c094ed02c7cd89db496aa2d6d22c182207a8ff4ffb344cbfbe93d
rh-dotnet60-dotnet-templates-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0447c6492a006b1a9d6f49212ea3e16b63edb6d829f950334c195f59053aa927
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 6feb203754cfbc7833774f2db544feb13acd83f066c93657602cd6bc3ec223c4
dotNET on RHEL (for RHEL Workstation) 1
SRPM
rh-dotnet60-dotnet-6.0.113-1.el7_9.src.rpm
SHA-256: de2cbe5aeeac553329db4291ff001f52614f2c171f200848212d8e688af6b60a
x86_64
rh-dotnet60-aspnetcore-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 4476bf5505aac4de66de8844e15849c13366f1608cc817a7f51d00da915d4288
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 71e0bb5761866dad217c3ed2608de587a3facc800df25d142d451e0f43ada1d7
rh-dotnet60-dotnet-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 109cbed51f789ffb913fdbeae833739dac6470ecf17d9a5256bc9d48d3603cd8
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 5ce26de00dfed0142f1362d0160e61f9aa7862b3c7f1dd19cd32ab78fb3bb8f3
rh-dotnet60-dotnet-debuginfo-6.0.113-1.el7_9.x86_64.rpm
SHA-256: e53c787acd40d3ae7b659b575723cc3e2a6ba6da7e9e89ba037d60c8e1ad2e98
rh-dotnet60-dotnet-host-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 2623b33f11fa1ed570c457dd99c27a0b580ce7545f88a935e36ebedbe0c360cf
rh-dotnet60-dotnet-hostfxr-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: ac2b9fa18e6540781e0bde648a62139c413675ceaccd57429caec6411edceef9
rh-dotnet60-dotnet-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: d0e5a1cb1cf71b205ed79fe81047cee2569ea06f1b00a4992866466e91f25c6c
rh-dotnet60-dotnet-sdk-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: cb3d7d84bec97cafffc505f380c994552f70e8c7162e3842186f67e533d610b4
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0e03ed32685c0995775c13d9207743368aefadeb350a668b888f6ee54c8aba1f
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 3ce3a058390c094ed02c7cd89db496aa2d6d22c182207a8ff4ffb344cbfbe93d
rh-dotnet60-dotnet-templates-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0447c6492a006b1a9d6f49212ea3e16b63edb6d829f950334c195f59053aa927
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 6feb203754cfbc7833774f2db544feb13acd83f066c93657602cd6bc3ec223c4
dotNET on RHEL (for RHEL Compute Node) 1
SRPM
rh-dotnet60-dotnet-6.0.113-1.el7_9.src.rpm
SHA-256: de2cbe5aeeac553329db4291ff001f52614f2c171f200848212d8e688af6b60a
x86_64
rh-dotnet60-aspnetcore-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 4476bf5505aac4de66de8844e15849c13366f1608cc817a7f51d00da915d4288
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 71e0bb5761866dad217c3ed2608de587a3facc800df25d142d451e0f43ada1d7
rh-dotnet60-dotnet-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 109cbed51f789ffb913fdbeae833739dac6470ecf17d9a5256bc9d48d3603cd8
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 5ce26de00dfed0142f1362d0160e61f9aa7862b3c7f1dd19cd32ab78fb3bb8f3
rh-dotnet60-dotnet-debuginfo-6.0.113-1.el7_9.x86_64.rpm
SHA-256: e53c787acd40d3ae7b659b575723cc3e2a6ba6da7e9e89ba037d60c8e1ad2e98
rh-dotnet60-dotnet-host-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 2623b33f11fa1ed570c457dd99c27a0b580ce7545f88a935e36ebedbe0c360cf
rh-dotnet60-dotnet-hostfxr-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: ac2b9fa18e6540781e0bde648a62139c413675ceaccd57429caec6411edceef9
rh-dotnet60-dotnet-runtime-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: d0e5a1cb1cf71b205ed79fe81047cee2569ea06f1b00a4992866466e91f25c6c
rh-dotnet60-dotnet-sdk-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: cb3d7d84bec97cafffc505f380c994552f70e8c7162e3842186f67e533d610b4
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0e03ed32685c0995775c13d9207743368aefadeb350a668b888f6ee54c8aba1f
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.13-1.el7_9.x86_64.rpm
SHA-256: 3ce3a058390c094ed02c7cd89db496aa2d6d22c182207a8ff4ffb344cbfbe93d
rh-dotnet60-dotnet-templates-6.0-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 0447c6492a006b1a9d6f49212ea3e16b63edb6d829f950334c195f59053aa927
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.113-1.el7_9.x86_64.rpm
SHA-256: 6feb203754cfbc7833774f2db544feb13acd83f066c93657602cd6bc3ec223c4
The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.
Related news
An update for .NET 6.0 is now available for Red Hat Enterprise Linux 8. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-21538: dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process
An update for .NET 6.0 is now available for Red Hat Enterprise Linux 9. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-21538: dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process
Ubuntu Security Notice 5798-1 - Johan Gorter discovered that .NET 6 incorrectly processed certain invalid HTTP requests. An attacker could possibly use this issue to cause a denial of service condition for an exposed endpoint.
# Microsoft Security Advisory CVE-2023-21538: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service vulnerability exists in .NET 6.0 where a malicious client could cause a stack overflow which may result in a denial of service attack when an attacker sends an invalid request to an exposed endpoint. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/runtime/issues/80449 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 6.0 application running on .NET 6.0.12 or earlier. If your application uses the following package versions, en...