rhsa-2021_2353
Vulnerability from csaf_redhat
Published
2021-06-09 00:57
Modified
2024-11-05 23:41
Summary
Red Hat Security Advisory: .NET 5.0 security and bugfix update

Notes

Topic
An update for .NET 5.0 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 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 that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.204 and .NET Runtime 5.0.7. Security Fix(es): * dotnet: ASP.NET Core Client Disconnect Denial of Service (CVE-2021-31957) 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.


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.\n\nRed 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": ".NET 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 that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.204 and .NET Runtime 5.0.7.\n\nSecurity Fix(es):\n\n* dotnet: ASP.NET Core Client Disconnect Denial of Service (CVE-2021-31957)\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-2021:2353",
        "url": "https://access.redhat.com/errata/RHSA-2021:2353"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "1966990",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966990"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2353.json"
      }
    ],
    "title": "Red Hat Security Advisory: .NET 5.0 security and bugfix update",
    "tracking": {
      "current_release_date": "2024-11-05T23:41:01+00:00",
      "generator": {
        "date": "2024-11-05T23:41:01+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.1.1"
        }
      },
      "id": "RHSA-2021:2353",
      "initial_release_date": "2021-06-09T00:57:23+00:00",
      "revision_history": [
        {
          "date": "2021-06-09T00:57:23+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2021-06-09T00:57:23+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-05T23:41:01+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 (v. 8)",
                  "product_id": "AppStream-8.4.0.Z.MAIN.EUS",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:enterprise_linux:8::appstream"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Enterprise Linux"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/aspnetcore-runtime-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/aspnetcore-targeting-pack-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-apphost-pack-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-host-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-host-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-host-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-host@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-hostfxr-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-runtime-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-sdk-5.0@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-targeting-pack-5.0@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-templates-5.0@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/netstandard-targeting-pack-2.1@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet5.0-debugsource@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-apphost-pack-5.0-debuginfo@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-host-debuginfo@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-hostfxr-5.0-debuginfo@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_id": "dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-runtime-5.0-debuginfo@5.0.7-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet-sdk-5.0-debuginfo@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                "product": {
                  "name": "dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                  "product_id": "dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet5.0-debuginfo@5.0.204-1.el8_4?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "dotnet5.0-0:5.0.204-1.el8_4.src",
                "product": {
                  "name": "dotnet5.0-0:5.0.204-1.el8_4.src",
                  "product_id": "dotnet5.0-0:5.0.204-1.el8_4.src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/dotnet5.0@5.0.204-1.el8_4?arch=src"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-host-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-host-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet5.0-0:5.0.204-1.el8_4.src as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-0:5.0.204-1.el8_4.src"
        },
        "product_reference": "dotnet5.0-0:5.0.204-1.el8_4.src",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)",
          "product_id": "AppStream-8.4.0.Z.MAIN.EUS:netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64"
        },
        "product_reference": "netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64",
        "relates_to_product_reference": "AppStream-8.4.0.Z.MAIN.EUS"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-31957",
      "cwe": {
        "id": "CWE-772",
        "name": "Missing Release of Resource after Effective Lifetime"
      },
      "discovery_date": "2021-06-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1966990"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in dotnet. The way client disconnects are handled can allow a remote, unauthenticated attacker to exploit this vulnerability to cause a denial of service against an ASP.NET Core application. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "dotnet: ASP.NET Core Client Disconnect 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-8.4.0.Z.MAIN.EUS:aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-0:5.0.204-1.el8_4.src",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
          "AppStream-8.4.0.Z.MAIN.EUS:netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-31957"
        },
        {
          "category": "external",
          "summary": "RHBZ#1966990",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966990"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-31957",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-31957"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-31957",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31957"
        },
        {
          "category": "external",
          "summary": "https://github.com/dotnet/announcements/issues/189",
          "url": "https://github.com/dotnet/announcements/issues/189"
        },
        {
          "category": "external",
          "summary": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31957",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31957"
        }
      ],
      "release_date": "2021-06-08T17:35:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-06-09T00:57:23+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-8.4.0.Z.MAIN.EUS:aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-0:5.0.204-1.el8_4.src",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2353"
        }
      ],
      "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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:aspnetcore-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-apphost-pack-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-host-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-hostfxr-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-runtime-5.0-debuginfo-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-sdk-5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-targeting-pack-5.0-0:5.0.7-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet-templates-5.0-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-0:5.0.204-1.el8_4.src",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debuginfo-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:dotnet5.0-debugsource-0:5.0.204-1.el8_4.x86_64",
            "AppStream-8.4.0.Z.MAIN.EUS:netstandard-targeting-pack-2.1-0:5.0.204-1.el8_4.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "dotnet: ASP.NET Core Client Disconnect Denial of Service"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.