wid-sec-w-2024-1734
Vulnerability from csaf_certbund
Published
2019-09-08 22:00
Modified
2024-07-31 22:00
Summary
libexpat: 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
Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libexpat ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - Sonstiges


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": "Expat ist ein XML Parser, der in der Programmiersprache-C geschrieben ist.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in libexpat ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges",
        "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-2024-1734 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2024-1734.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1734 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1734"
      },
      {
        "category": "external",
        "summary": "NATIONAL VULNERABILITY DATABASE vom 2019-09-08",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15903"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4132-2 vom 2019-09-12",
        "url": "https://usn.ubuntu.com/4132-2/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4132-1 vom 2019-09-12",
        "url": "https://usn.ubuntu.com/4132-1/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4530 vom 2019-09-22",
        "url": "https://www.debian.org/security/2019/dsa-4530"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:2440-1 vom 2019-09-24",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20192440-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:2429-1 vom 2019-09-23",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20192429-1.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20190926-0004 vom 2019-09-26",
        "url": "https://security.netapp.com/advisory/ntap-20190926-0004/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0949 vom 2021-03-22",
        "url": "https://access.redhat.com/errata/RHSA-2021:0949"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:2646 vom 2020-06-22",
        "url": "https://access.redhat.com/errata/RHSA-2020:2646"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:2644 vom 2020-06-22",
        "url": "https://access.redhat.com/errata/RHSA-2020:2644"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:3952 vom 2020-09-29",
        "url": "https://access.redhat.com/errata/RHSA-2020:3952"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2020-116 vom 2020-10-10",
        "url": "https://downloads.avaya.com/css/P8/documents/101071290"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:4484 vom 2020-11-04",
        "url": "https://access.redhat.com/errata/RHSA-2020:4484"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:5149 vom 2020-11-18",
        "url": "https://access.redhat.com/errata/RHSA-2020:5149"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2020-164 vom 2020-12-15",
        "url": "https://downloads.avaya.com/css/P8/documents/101072985"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:0146 vom 2021-01-14",
        "url": "https://access.redhat.com/errata/RHSA-2021:0146"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:5635 vom 2021-02-24",
        "url": "https://access.redhat.com/errata/RHSA-2020:5635"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:5633 vom 2021-02-24",
        "url": "https://access.redhat.com/errata/RHSA-2020:5633"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:3016 vom 2021-08-06",
        "url": "https://access.redhat.com/errata/RHSA-2021:3016"
      },
      {
        "category": "external",
        "summary": "F5 Security Advisory K05295469 vom 2022-02-04",
        "url": "https://support.f5.com/csp/article/K05295469"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0056 vom 2022-03-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:0056"
      },
      {
        "category": "external",
        "summary": "Brocade Security Advisory BSA-2024-1960 vom 2024-07-30",
        "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24611"
      },
      {
        "category": "external",
        "summary": "HPE Security Bulletin vom 2024-08-01",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbst04679en_us\u0026docLocale=en_US"
      }
    ],
    "source_lang": "en-US",
    "title": "libexpat: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-07-31T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:11:51.052+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2024-1734",
      "initial_release_date": "2019-09-08T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2019-09-08T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2019-09-12T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2019-09-22T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2019-09-23T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-09-25T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2019-12-04T23:00:00.000+00:00",
          "number": "6",
          "summary": "Produkte erg\u00e4nzt"
        },
        {
          "date": "2020-06-22T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-09-29T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-10-11T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2020-11-03T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-11-18T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-12-16T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2021-01-14T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-02-24T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-21T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-08-05T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-02-03T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von F5 aufgenommen"
        },
        {
          "date": "2022-03-10T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-07-30T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von BROCADE aufgenommen"
        },
        {
          "date": "2024-07-31T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von HP aufgenommen"
        }
      ],
      "status": "final",
      "version": "20"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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": "product_name",
            "name": "Avaya Web License Manager",
            "product": {
              "name": "Avaya Web License Manager",
              "product_id": "T016243",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:web_license_manager:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avaya"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Broadcom Fabric OS",
                "product": {
                  "name": "Broadcom Fabric OS",
                  "product_id": "978054",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:broadcom:fabric_operating_system:-"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cv9.2.1",
                "product": {
                  "name": "Broadcom Fabric OS \u003cv9.2.1",
                  "product_id": "T034490"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cv9.1.1d2",
                "product": {
                  "name": "Broadcom Fabric OS \u003cv9.1.1d2",
                  "product_id": "T036503"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cv9.2.0b1",
                "product": {
                  "name": "Broadcom Fabric OS \u003cv9.2.0b1",
                  "product_id": "T036504"
                }
              }
            ],
            "category": "product_name",
            "name": "Fabric OS"
          }
        ],
        "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": "F5 BIG-IP",
            "product": {
              "name": "F5 BIG-IP",
              "product_id": "T001663",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "F5"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "HPE Switch",
            "product": {
              "name": "HPE Switch",
              "product_id": "T005119",
              "product_identification_helper": {
                "cpe": "cpe:/h:hp:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "NetApp Data ONTAP",
            "product": {
              "name": "NetApp Data ONTAP",
              "product_id": "7654",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:data_ontap:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.2.8",
                "product": {
                  "name": "Open Source expat \u003c2.2.8",
                  "product_id": "T014959"
                }
              }
            ],
            "category": "product_name",
            "name": "expat"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2019-15903",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in libexpat. Die Schwachstelle beruht darauf, dass beim Parsen beeignet gestalteter Daten der zu fr\u00fch vom DTD Parsing zum Dokumentenparsen gewechselt wird. Dieses f\u00fcrht in der Folge zu einem \"buffer over read\". Ein Angreifer kann dieses durch \u00dcbermittlung geeignet gestalteter Daten zu einem Denial of Service Angriff nutzen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015519",
          "T015518",
          "67646",
          "T015516",
          "T036503",
          "T036504",
          "7654",
          "T005119",
          "T015127",
          "T015126",
          "T016243",
          "978054",
          "2951",
          "T002207",
          "T034490",
          "T000126",
          "T001663"
        ]
      },
      "release_date": "2019-09-08T22:00:00.000+00:00",
      "title": "CVE-2019-15903"
    }
  ]
}


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