wid-sec-w-2022-0463
Vulnerability from csaf_certbund
Published
2021-05-25 22:00
Modified
2023-09-27 22:00
Summary
NGINX: Schwachstelle ermöglicht Denial of Service

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in NGINX ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - Windows


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in NGINX ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2022-0463 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0463.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0463 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0463"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASNGINX1-2023-003 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASNGINX1-2023-003.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1839-1 vom 2021-06-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008913.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1507 vom 2021-06-02",
        "url": "https://alas.aws.amazon.com/ALAS-2021-1507.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2258 vom 2021-06-07",
        "url": "https://access.redhat.com/errata/RHSA-2021:2258"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2021-078 vom 2021-06-10",
        "url": "https://downloads.avaya.com/css/P8/documents/101076191"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2278 vom 2021-06-07",
        "url": "https://access.redhat.com/errata/RHSA-2021:2278"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2259 vom 2021-06-07",
        "url": "https://access.redhat.com/errata/RHSA-2021:2259"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:2290 vom 2021-06-08",
        "url": "https://access.redhat.com/errata/RHSA-2021:2290"
      },
      {
        "category": "external",
        "summary": "[nginx-announce] nginx-1.21.0 vom 2021-05-25",
        "url": "http://mailman.nginx.org/pipermail/nginx-announce/2021/000298.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4967-1 vom 2021-05-26",
        "url": "https://ubuntu.com/security/notices/USN-4967-1"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202105-38 vom 2021-05-26",
        "url": "https://security.gentoo.org/glsa/202105-38"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-2259 vom 2021-06-08",
        "url": "http://linux.oracle.com/errata/ELSA-2021-2259.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-2290 vom 2021-06-10",
        "url": "http://linux.oracle.com/errata/ELSA-2021-2290.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1792-1 vom 2021-05-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008878.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4967-2 vom 2021-05-27",
        "url": "https://ubuntu.com/security/notices/USN-4967-2"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4921 vom 2021-05-28",
        "url": "https://www.debian.org/security/2021/dsa-4921"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2670 vom 2021-05-30",
        "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00025.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1815-1 vom 2021-05-31",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008889.html"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202106-36 vom 2021-06-15",
        "url": "https://security.archlinux.org/ASA-202106-36"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202106-48 vom 2021-06-22",
        "url": "https://security.archlinux.org/ASA-202106-48"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3925 vom 2021-10-20",
        "url": "https://access.redhat.com/errata/RHSA-2021:3925"
      },
      {
        "category": "external",
        "summary": "Exploit CVE-2021-23017 vom 2021-08-30",
        "url": "https://github.com/dottorvenom/exploit-archive/blob/main/CVE-2021-23017%20Nginx%201.14%20heap%20corruption.py"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3653 vom 2021-09-23",
        "url": "https://access.redhat.com/errata/RHSA-2021:3653"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3873 vom 2021-10-15",
        "url": "https://access.redhat.com/errata/RHSA-2021:3873"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4618 vom 2021-11-11",
        "url": "https://access.redhat.com/errata/RHSA-2021:4618"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0323 vom 2022-01-31",
        "url": "https://access.redhat.com/errata/RHSA-2022:0323"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-0323 vom 2022-02-01",
        "url": "https://linux.oracle.com/errata/ELSA-2022-0323.html"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2022-013 vom 2022-02-11",
        "url": "https://downloads.avaya.com/css/P8/documents/101080487"
      },
      {
        "category": "external",
        "summary": "Brocade Security Advisory BSA-2022-1516 vom 2022-06-24",
        "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-1516"
      },
      {
        "category": "external",
        "summary": "Brocade Security Advisory BSA-2021-1516 vom 2022-11-10",
        "url": "https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1516"
      }
    ],
    "source_lang": "en-US",
    "title": "NGINX: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-09-27T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:50:05.411+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0463",
      "initial_release_date": "2021-05-25T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-05-25T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-05-26T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu und Gentoo aufgenommen"
        },
        {
          "date": "2021-05-27T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2021-05-30T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-05-31T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-06-03T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Fedora, SUSE und Amazon aufgenommen"
        },
        {
          "date": "2021-06-06T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-06-07T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-06-08T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-06-10T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-06-13T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2021-06-14T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Arch Linux aufgenommen"
        },
        {
          "date": "2021-06-21T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Arch Linux aufgenommen"
        },
        {
          "date": "2021-08-30T22:00:00.000+00:00",
          "number": "14",
          "summary": "Exploit aufgenommen"
        },
        {
          "date": "2021-09-23T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-10-14T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-10-19T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-11T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-01-30T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-01-31T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-03-02T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2022-06-26T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von BROCADE aufgenommen"
        },
        {
          "date": "2022-11-09T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von BROCADE aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "24"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Avaya Aura Application Enablement Services",
            "product": {
              "name": "Avaya Aura Application Enablement Services",
              "product_id": "T015516",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Communication Manager",
            "product": {
              "name": "Avaya Aura Communication Manager",
              "product_id": "T015126",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:communication_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Experience Portal",
            "product": {
              "name": "Avaya Aura Experience Portal",
              "product_id": "T015519",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_experience_portal:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Session Manager",
            "product": {
              "name": "Avaya Aura Session Manager",
              "product_id": "T015127",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:session_manager:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura System Manager",
            "product": {
              "name": "Avaya Aura System Manager",
              "product_id": "T015518",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_system_manager:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avaya"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Broadcom Brocade SANnav \u003c v2.2.0.2",
                "product": {
                  "name": "Broadcom Brocade SANnav \u003c v2.2.0.2",
                  "product_id": "T023628",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:broadcom:brocade_sannav:v2.2.0.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Broadcom Brocade SANnav \u003c 2.2.1",
                "product": {
                  "name": "Broadcom Brocade SANnav \u003c 2.2.1",
                  "product_id": "T024158",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:broadcom:brocade_sannav:2.2.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Brocade SANnav"
          }
        ],
        "category": "vendor",
        "name": "Broadcom"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "NGINX NGINX \u003c 1.21.0",
            "product": {
              "name": "NGINX NGINX \u003c 1.21.0",
              "product_id": "T019416",
              "product_identification_helper": {
                "cpe": "cpe:/a:nginx:nginx:1.21.0"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NGINX"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Arch Linux",
            "product": {
              "name": "Open Source Arch Linux",
              "product_id": "T013312",
              "product_identification_helper": {
                "cpe": "cpe:/o:archlinux:archlinux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-23017",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in NGINX, welche auf einen 1-Byte-Puffer\u00fcberlauf zur\u00fcckzuf\u00fchren ist. Dieser kann auftreten, wenn eine Antwort von einem DNS-Server verarbeitet wird, welche durch einen Angreifer manipuliert wurde. Ein entfernter, anonymer Angreifer, der speziell gestaltete UDP-Pakete erzeugen kann, kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015519",
          "T015518",
          "67646",
          "T015516",
          "T013312",
          "T015127",
          "T015126",
          "T012167",
          "T004914",
          "2951",
          "T002207",
          "T000126",
          "398363",
          "T024158"
        ]
      },
      "release_date": "2021-05-25T22:00:00Z",
      "title": "CVE-2021-23017"
    }
  ]
}


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