{
  "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 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."
    }, {
      "category" : "description",
      "text" : "Transport Layer Security (TLS) ist ein hybrides Verschlüsselungsprotokoll zur Datenübertragung im Internet.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in verschiedenen TLS Implementierungen ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX\n- Windows",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2022-1482 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-1482.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-1482 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1482"
    }, {
      "category" : "external",
      "summary" : "Alpaca Attack vom 2022-01-09",
      "url" : "https://alpaca-attack.com/"
    }, {
      "category" : "external",
      "summary" : "Bugzilla vom 2022-01-09",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1975623"
    }, {
      "category" : "external",
      "summary" : "Archlinux vom 2022-01-09",
      "url" : "https://security.archlinux.org/CVE-2021-3618"
    }, {
      "category" : "external",
      "summary" : "Debian vom 2022-01-09",
      "url" : "https://security-tracker.debian.org/tracker/CVE-2021-3618"
    }, {
      "category" : "external",
      "summary" : "Exim vom 2022-01-09",
      "url" : "https://lists.exim.org/lurker/message/20210609.200324.f0e073ed.el.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5371-1 vom 2022-04-13",
      "url" : "https://ubuntu.com/security/notices/USN-5371-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5371-2 vom 2022-04-28",
      "url" : "https://ubuntu.com/security/notices/USN-5371-2"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3320-1 vom 2022-09-20",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012296.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3383-1 vom 2022-09-26",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012371.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3457-1 vom 2022-09-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012443.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3458-1 vom 2022-09-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-September/012444.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2022-132 vom 2022-09-29",
      "url" : "https://alas.aws.amazon.com/AL2022/ALAS-2022-132.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2022-136 vom 2022-09-29",
      "url" : "https://alas.aws.amazon.com/AL2022/ALAS-2022-136.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2022-171 vom 2022-11-04",
      "url" : "https://alas.aws.amazon.com/AL2022/ALAS-2022-171.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2022-172 vom 2022-11-04",
      "url" : "https://alas.aws.amazon.com/AL2022/ALAS-2022-172.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:3888-1 vom 2022-11-07",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012822.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3203 vom 2022-11-23",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/11/msg00031.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:4201-1 vom 2022-11-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013099.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:4192-1 vom 2022-11-23",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013089.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:4265-1 vom 2022-11-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013138.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:4266-1 vom 2022-11-29",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013137.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6379-1 vom 2023-09-18",
      "url" : "https://ubuntu.com/security/notices/USN-6379-1"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALASNGINX1-2023-002 vom 2023-09-28",
      "url" : "https://alas.aws.amazon.com/AL2/ALASNGINX1-2023-002.html"
    }, {
      "category" : "external",
      "summary" : "Moxa Security Advisory MPSA-241044 vom 2024-11-04",
      "url" : "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-241044-vulnerabilities-identified-in-mds-g4028-l3-series-and-eds-g512e"
    } ],
    "source_lang" : "en-US",
    "title" : "TLS Implementierungen: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen",
    "tracking" : {
      "current_release_date" : "2024-11-03T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-11-04T09:10:09.932+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.8"
        }
      },
      "id" : "WID-SEC-W-2022-1482",
      "initial_release_date" : "2022-01-09T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2022-01-09T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2022-04-12T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-04-27T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2022-09-20T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-26T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-28T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-09-29T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-11-06T23:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2022-11-07T23:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-11-22T23:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2022-11-23T23:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-11-29T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-09-18T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-27T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2024-11-03T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von moxa aufgenommen"
      } ],
      "status" : "final",
      "version" : "15"
    }
  },
  "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" : "Debian Linux",
        "product" : {
          "name" : "Debian Linux",
          "product_id" : "2951",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:debian:debian_linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "MDS-G4028-L3 Series",
          "product" : {
            "name" : "Moxa Switch MDS-G4028-L3 Series",
            "product_id" : "T038734",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:moxa:switch:mds-g4028-l3_series"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "EDS-G512E",
          "product" : {
            "name" : "Moxa Switch EDS-G512E",
            "product_id" : "T038749",
            "product_identification_helper" : {
              "cpe" : "cpe:/h:moxa:switch:eds-g512e"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Switch"
      } ],
      "category" : "vendor",
      "name" : "Moxa"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<1.21.0",
          "product" : {
            "name" : "NGINX NGINX <1.21.0",
            "product_id" : "987482"
          }
        }, {
          "category" : "product_version",
          "name" : "1.21.0",
          "product" : {
            "name" : "NGINX NGINX 1.21.0",
            "product_id" : "987482-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nginx:nginx:1.21.0"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NGINX"
      } ],
      "category" : "vendor",
      "name" : "NGINX"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<3.16.1",
          "product" : {
            "name" : "Open Source sendmail <3.16.1",
            "product_id" : "T021499"
          }
        }, {
          "category" : "product_version",
          "name" : "3.16.1",
          "product" : {
            "name" : "Open Source sendmail 3.16.1",
            "product_id" : "T021499-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:sendmail:sendmail:3.16.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "sendmail"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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-2021-3618",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in verschiedenen TLS Implementierungen. Der Fehler besteht aufgrund eines Logikfehlers, wenn verschiedene Protokolle behandelt werden, aber kompatible Zertifikate verwendet werden, wie z. B. Multi-Domain- oder Wildcard-Zertifikate. Ein entfernter anonymer Angreifer, der in der Lage ist, einen MitM-Angriff auf der TCP/IP-Schicht durchzuführen, kann den Datenverkehr von einer Subdomain auf eine andere bzw. von einem Dienst auf einen anderen umleiten, was zu einer gültigen TLS-Sitzung führt. Der Angreifer kann dies ausnutzen, um Sicherheitsmaßnahmen zu umgehen und um andere unbekannte Auswirkungen hervorzurufen."
    } ],
    "product_status" : {
      "known_affected" : [ "T021499", "2951", "T002207", "987482", "T000126", "T038749", "398363", "T038734" ]
    },
    "release_date" : "2022-01-09T23:00:00.000+00:00",
    "title" : "CVE-2021-3618"
  } ]
}