wid-sec-w-2022-2190
Vulnerability from csaf_certbund
Published
2020-01-30 23:00
Modified
2023-09-27 22:00
Summary
Python: 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
Python ist eine universelle, üblicherweise interpretierte höhere Programmiersprache.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Python ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - MacOS X - 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": "Python ist eine universelle, \u00fcblicherweise interpretierte h\u00f6here Programmiersprache.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Python ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- MacOS X\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-2022-2190 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-2190.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2190 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2190"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASPYTHON3.8-2023-006 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASPYTHON3.8-2023-006.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3432 vom 2023-05-24",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
      },
      {
        "category": "external",
        "summary": "Python Security Advisory vom 2020-01-30",
        "url": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html"
      },
      {
        "category": "external",
        "summary": "Python Issue Tracker #39503 (PoC) vom 2020-01-30",
        "url": "https://bugs.python.org/issue39503"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0467-1 vom 2020-02-25",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200467-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0510-1 vom 2020-02-28",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200510-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0557-1 vom 2020-03-02",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200557-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:14306-1 vom 2020-03-03",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-202014306-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:0854-1 vom 2020-04-02",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20200854-1.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4333-1 vom 2020-04-21",
        "url": "https://usn.ubuntu.com/4333-1/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4333-2 vom 2020-04-30",
        "url": "https://usn.ubuntu.com/4333-2/"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202103-27 vom 2021-03-26",
        "url": "https://security.archlinux.org/ASA-202103-27"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:1524-1 vom 2020-06-17",
        "url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201524-1.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:3888 vom 2020-09-29",
        "url": "https://access.redhat.com/errata/RHSA-2020:3888"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:4285 vom 2020-10-19",
        "url": "https://access.redhat.com/errata/RHSA-2020:4285"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2020-113 vom 2020-10-25",
        "url": "https://downloads.avaya.com/css/P8/documents/101071743"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:4641 vom 2020-11-04",
        "url": "https://access.redhat.com/errata/RHSA-2020:4641"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:4433 vom 2020-11-04",
        "url": "https://access.redhat.com/errata/RHSA-2020:4433"
      },
      {
        "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-2020-188 vom 2020-11-25",
        "url": "https://downloads.avaya.com/css/P8/documents/101072551"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3563-1 vom 2020-11-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-November/007892.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3865-1 vom 2020-12-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/008081.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2020:3930-1 vom 2020-12-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-December/008118.html"
      },
      {
        "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": "Ubuntu Security Notice USN-4754-3 vom 2021-03-12",
        "url": "https://ubuntu.com/security/notices/USN-4754-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5200-1 vom 2021-12-17",
        "url": "https://ubuntu.com/security/notices/USN-5200-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:4281-1 vom 2022-11-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013149.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:4278-1 vom 2022-11-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/013163.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Python: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-09-27T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:04:31.639+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-2190",
      "initial_release_date": "2020-01-30T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2020-01-30T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2020-02-25T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-02-27T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-03-02T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-03-03T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-04-02T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-04-21T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2020-05-03T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2020-05-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "Referenz(en) aufgenommen: FEDORA-2020-98E0F0F11B"
        },
        {
          "date": "2020-05-21T22:00:00.000+00:00",
          "number": "10",
          "summary": "Referenz(en) aufgenommen: FEDORA-2020-6A88DAD4A0, FEDORA-2020-BC98D7894F"
        },
        {
          "date": "2020-06-17T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-07-01T22:00:00.000+00:00",
          "number": "12",
          "summary": "Referenz(en) aufgenommen: FEDORA-2020-8BDD3FD7A4, FEDORA-2020-EA5BDBCC90"
        },
        {
          "date": "2020-07-14T22:00:00.000+00:00",
          "number": "13",
          "summary": "Referenz(en) aufgenommen: DLA-2280"
        },
        {
          "date": "2020-09-29T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-10-19T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-10-25T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2020-11-03T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-11-18T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2020-11-26T23:00:00.000+00:00",
          "number": "19",
          "summary": "Workaround von AVAYA aufgenommen"
        },
        {
          "date": "2020-11-30T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-12-17T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2020-12-23T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-02-24T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-03-14T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-03-25T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Arch Linux aufgenommen"
        },
        {
          "date": "2021-12-19T23:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-11-29T23:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-11-30T23:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-24T22:00:00.000+00:00",
          "number": "29",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "30",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "30"
    }
  },
  "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": "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": [
          {
            "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": "Open Source Arch Linux",
            "product": {
              "name": "Open Source Arch Linux",
              "product_id": "T013312",
              "product_identification_helper": {
                "cpe": "cpe:/o:archlinux:archlinux:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Python \u003c= 2.7.17",
                "product": {
                  "name": "Open Source Python \u003c= 2.7.17",
                  "product_id": "617543",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:2.7.17"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c= 3.5.9",
                "product": {
                  "name": "Open Source Python \u003c= 3.5.9",
                  "product_id": "T015819",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.5.9"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c= 3.6.10",
                "product": {
                  "name": "Open Source Python \u003c= 3.6.10",
                  "product_id": "T015820",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.6.10"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c= 3.7.6",
                "product": {
                  "name": "Open Source Python \u003c= 3.7.6",
                  "product_id": "T015821",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.7.6"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c= 3.8.1",
                "product": {
                  "name": "Open Source Python \u003c= 3.8.1",
                  "product_id": "T015822",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.8.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Python"
          }
        ],
        "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-2020-8492",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Pythonin der Komponente \"urllib.request.AbstractBasicAuthHandler\" aufgrund von Fehlern bei der Verarbeitung von Regular Expressions. Ein Angreifer, der einen HTTP Server kontrolliert, kann eine hohe Last auf dem Client und damit einen Denial of Service Zustand erzeugen. Zur erfolgreichen Ausnutzung dieser Schwachstelle muss der Angreifer den Benutzer dazu bringen eine modifizierte URL oder Webseite in einer betroffenen Python Anwendung zu \u00f6ffnen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T015519",
          "T015518",
          "2951",
          "T002207",
          "67646",
          "T015516",
          "T000126",
          "T013312",
          "T015127",
          "398363",
          "T015126",
          "T016243"
        ],
        "last_affected": [
          "T015822",
          "T015821",
          "617543",
          "T015820",
          "T015819"
        ]
      },
      "release_date": "2020-01-30T23:00:00Z",
      "title": "CVE-2020-8492"
    }
  ]
}


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