rhsa-2020_3699
Vulnerability from csaf_redhat
Published
2020-09-08 19:04
Modified
2024-11-22 15:39
Summary
Red Hat Security Advisory: .NET Core 3.1 security and bugfix update
Notes
Topic
An update for .NET Core 3.1 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.
Details
.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 security vulnerabilities are now available. The updated versions are .NET Core SDK 3.1.108 and .NET Core Runtime 3.1.8.
Security Fixes:
* .NET Core: ASP.NET cookie prefix spoofing vulnerability (CVE-2020-1045)
Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes.
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.
Terms of Use
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.
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It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.\n\nNew versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core SDK 3.1.108 and .NET Core Runtime 3.1.8.\n\nSecurity Fixes:\n\n* .NET Core: ASP.NET cookie prefix spoofing vulnerability (CVE-2020-1045)\n\nDefault inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes.\n\nFor 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.", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2020:3699", "url": "https://access.redhat.com/errata/RHSA-2020:3699" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1873451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1873451" }, { "category": "self", "summary": "Canonical 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"category": "description", "text": "A flaw was found in ASP.NET. Certain cookie values are not properly decoded allowing a remote attacker to bypass the \"Cookie Prefixes\" security mechanism. The highest threat from this vulnerability is to data integrity.", "title": "Vulnerability description" }, { "category": "summary", "text": "dotnet: ASP.NET cookie prefix spoofing vulnerability", "title": "Vulnerability summary" }, { "category": "other", "text": "The \"Cookie Prefixes\" feature is not used by default in ASP.NET. Successful exploitation likely requires a secondary vulnerability, for example a cross-site scripting issue.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.MAIN.EUS:aspnetcore-runtime-3.1-0:3.1.8-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:aspnetcore-targeting-pack-3.1-0:3.1.8-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:dotnet-0:3.1.108-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:dotnet-apphost-pack-3.1-0:3.1.8-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:dotnet-apphost-pack-3.1-debuginfo-0:3.1.8-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:dotnet-host-0:3.1.8-2.el8_2.x86_64", "AppStream-8.2.0.Z.MAIN.EUS:dotnet-host-debuginfo-0:3.1.8-2.el8_2.x86_64", 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"https://access.redhat.com/security/cve/CVE-2020-1045" }, { "category": "external", "summary": "RHBZ#1873451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1873451" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-1045", "url": "https://www.cve.org/CVERecord?id=CVE-2020-1045" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-1045", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-1045" }, { "category": "external", "summary": "https://github.com/dotnet/aspnetcore/issues/23578", "url": "https://github.com/dotnet/aspnetcore/issues/23578" }, { "category": "external", "summary": "https://github.com/dotnet/aspnetcore/pull/24264", "url": "https://github.com/dotnet/aspnetcore/pull/24264" }, { "category": "external", "summary": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045" } ], "release_date": 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.