rhsa-2021_0789
Vulnerability from csaf_redhat
Published
2021-03-09 20:42
Modified
2024-11-05 23:22
Summary
Red Hat Security Advisory: .NET Core 3.1 on Red Hat Enterprise Linux security and bugfix update

Notes

Topic
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.
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 a security vulnerability are now available. The updated versions are .NET Core SDK 3.1.113 and .NET Core Runtime 3.1.13. Security Fix(es): * dotnet: System.Text.Encodings.Web Remote Code Execution (CVE-2021-26701) 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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        "text": ".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.\n\nNew versions of .NET Core that address a security vulnerability are now available. The updated versions are .NET Core SDK 3.1.113 and .NET Core Runtime 3.1.13.\n\nSecurity Fix(es):\n\n* dotnet: System.Text.Encodings.Web Remote Code Execution (CVE-2021-26701)\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.",
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-26701",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26701"
        },
        {
          "category": "external",
          "summary": "https://github.com/dotnet/announcements/issues/178",
          "url": "https://github.com/dotnet/announcements/issues/178"
        },
        {
          "category": "external",
          "summary": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26701",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26701"
        }
      ],
      "release_date": "2021-02-25T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-03-09T20:42:53+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",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "dotnet: System.Text.Encodings.Web Remote Code Execution"
    }
  ]
}


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