drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in .NET
Name: |
Denial of Service in .NET |
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ID: |
RHSA-2021:0472-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat .NET Core on Red Hat Enterprise Linux |
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Datum: |
Mi, 10. Februar 2021, 20:59 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-1721 |
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Applikationen: |
.NET |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: .NET Core 3.1 on Red Hat Enterprise Linux security and bugfix update Advisory ID: RHSA-2021:0472-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0472 Issue date: 2021-02-10 CVE Names: CVE-2021-1721 =====================================================================
1. Summary:
An update for rh-dotnet31-dotnet is now available for .NET Core on Red Hat Enterprise Linux.
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:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64 .NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
.NET Core 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 Core that address a security vulnerability are now available. The updated versions are .NET Core SDK 3.1.112 and .NET Core Runtime 3.1.12.
Security Fix(es):
* dotnet: certificate chain building recursion Denial of Service (CVE-2021-1721)
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/):
1926918 - CVE-2021-1721 dotnet: certificate chain building recursion Denial of Service
6. Package List:
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet31-dotnet-3.1.112-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.112-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet31-dotnet-3.1.112-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.112-1.el7_9.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet31-dotnet-3.1.112-1.el7_9.src.rpm
x86_64: rh-dotnet31-aspnetcore-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-apphost-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-debuginfo-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-host-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-hostfxr-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-runtime-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-sdk-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-targeting-pack-3.1-3.1.12-1.el7_9.x86_64.rpm rh-dotnet31-dotnet-templates-3.1-3.1.112-1.el7_9.x86_64.rpm rh-dotnet31-netstandard-targeting-pack-2.1-3.1.112-1.el7_9.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-2021-1721 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/
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