rhsa-2019_2731
Vulnerability from csaf_redhat
Published
2019-09-12 12:08
Modified
2024-11-05 21:24
Summary
Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security and bug fix update
Notes
Topic
An update for dotnet 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.
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 2.1.509 and Runtime 2.1.13.
Security Fix(es):
* dotnet: System.Net.Sockets.dll Socket.ConnectAsync Denial of Service (CVE-2019-1301)
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 2.1.509 and Runtime 2.1.13.\n\nSecurity Fix(es):\n\n* dotnet: System.Net.Sockets.dll Socket.ConnectAsync Denial of Service (CVE-2019-1301)\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-2019:2731", "url": "https://access.redhat.com/errata/RHSA-2019:2731" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1750793", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1750793" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_2731.json" } ], "title": "Red Hat Security Advisory: .NET Core on Red Hat Enterprise Linux security and bug fix update", "tracking": { "current_release_date": "2024-11-05T21:24:28+00:00", "generator": { "date": "2024-11-05T21:24:28+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2019:2731", "initial_release_date": "2019-09-12T12:08:53+00:00", "revision_history": [ { "date": "2019-09-12T12:08:53+00:00", "number": "1", "summary": "Initial version" }, { "date": "2019-09-12T12:08:53+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-05T21:24:28+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux AppStream (v. 8)", "product": { "name": "Red Hat Enterprise Linux AppStream 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component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-0:2.1.509-1.el8_0.x86_64" }, "product_reference": "dotnet-sdk-2.1.5xx-0:2.1.509-1.el8_0.x86_64", "relates_to_product_reference": "AppStream-8.0.0.Z" }, { "category": "default_component_of", "full_product_name": { "name": "dotnet-sdk-2.1.5xx-debuginfo-0:2.1.509-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-debuginfo-0:2.1.509-1.el8_0.x86_64" }, "product_reference": "dotnet-sdk-2.1.5xx-debuginfo-0:2.1.509-1.el8_0.x86_64", "relates_to_product_reference": "AppStream-8.0.0.Z" } ] }, "vulnerabilities": [ { "cve": "CVE-2019-1301", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "discovery_date": "2019-09-10T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1750793" } ], "notes": [ { "category": "description", "text": "A denial of service vulnerability exists when .NET Core improperly handles web requests, aka \u0027.NET Core Denial of Service Vulnerability\u0027.", "title": "Vulnerability description" }, { "category": "summary", "text": "dotnet: System.Net.Sockets.dll Socket.ConnectAsync Denial of Service", "title": "Vulnerability summary" }, { "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-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.src", "AppStream-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debuginfo-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debugsource-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-debuginfo-0:2.1.13-1.el8_0.x86_64", 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"https://nvd.nist.gov/vuln/detail/CVE-2019-1301" }, { "category": "external", "summary": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2019-1301", "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2019-1301" } ], "release_date": "2019-09-10T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2019-09-12T12:08:53+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.src", "AppStream-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debuginfo-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debugsource-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-fxr-2.1-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-fxr-2.1-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-runtime-2.1-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-runtime-2.1-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-debuginfo-0:2.1.509-1.el8_0.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2019:2731" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "AppStream-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.src", "AppStream-8.0.0.Z:dotnet-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debuginfo-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-debugsource-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-fxr-2.1-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-host-fxr-2.1-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-runtime-2.1-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-runtime-2.1-debuginfo-0:2.1.13-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-0:2.1.509-1.el8_0.x86_64", "AppStream-8.0.0.Z:dotnet-sdk-2.1.5xx-debuginfo-0:2.1.509-1.el8_0.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "dotnet: System.Net.Sockets.dll Socket.ConnectAsync Denial of Service" } ] }
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- 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.