drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in dotnet
Name: |
Denial of Service in dotnet |
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ID: |
RHSA-2021:0474-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 10. Februar 2021, 21:01 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-1721 |
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Applikationen: |
dotnet |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: dotnet security and bugfix update Advisory ID: RHSA-2021:0474-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0474 Issue date: 2021-02-10 CVE Names: CVE-2021-1721 =====================================================================
1. Summary:
An update for .NET Core 2.1 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 Enterprise Linux AppStream (v. 8) - 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 2.1.521 and .NET Core Runtime 2.1.25.
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:
Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet-2.1.521-1.el8_3.src.rpm
x86_64: dotnet-debuginfo-2.1.521-1.el8_3.x86_64.rpm dotnet-debugsource-2.1.521-1.el8_3.x86_64.rpm dotnet-host-fxr-2.1-2.1.25-1.el8_3.x86_64.rpm dotnet-host-fxr-2.1-debuginfo-2.1.25-1.el8_3.x86_64.rpm dotnet-runtime-2.1-2.1.25-1.el8_3.x86_64.rpm dotnet-runtime-2.1-debuginfo-2.1.25-1.el8_3.x86_64.rpm dotnet-sdk-2.1-2.1.521-1.el8_3.x86_64.rpm dotnet-sdk-2.1.5xx-2.1.521-1.el8_3.x86_64.rpm dotnet-sdk-2.1.5xx-debuginfo-2.1.521-1.el8_3.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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