WID-SEC-W-2022-0144
Vulnerability from csaf_certbund
Published
2021-09-07 22:00
Modified
2023-07-06 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 - Windows - Sonstiges - Appliance


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- Windows\n- Sonstiges\n- Appliance",
        "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-2022-0144 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0144.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0144 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0144"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7010099 vom 2023-07-06",
        "url": "https://www.ibm.com/support/pages/node/7010099"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3477 vom 2023-06-30",
        "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00039.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": "Red Hat Security Advisory RHSA-2021:4160 vom 2021-11-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:4160"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3477-1 vom 2021-10-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009618.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3489-1 vom 2021-10-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009628.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3486-1 vom 2021-10-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009625.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3524-1 vom 2021-10-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-October/009651.html"
      },
      {
        "category": "external",
        "summary": "Python Security Advisory vom 2021-09-07",
        "url": "https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex2.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2808 vom 2021-11-05",
        "url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00003.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5083-1 vom 2021-09-16",
        "url": "https://ubuntu.com/security/notices/USN-5083-1"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2021-00DAD7BE1B vom 2021-09-21",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2021-00dad7be1b"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4057 vom 2021-11-02",
        "url": "https://access.redhat.com/errata/RHSA-2021:4057"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-4057 vom 2021-11-03",
        "url": "http://linux.oracle.com/errata/ELSA-2021-4057.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4766 vom 2021-11-23",
        "url": "https://access.redhat.com/errata/RHSA-2021:4766"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4848 vom 2021-11-29",
        "url": "https://access.redhat.com/errata/RHSA-2021:4848"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:4015-1 vom 2021-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009890.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:5191 vom 2021-12-16",
        "url": "https://access.redhat.com/errata/RHSA-2021:5191"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:4104-1 vom 2021-12-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009914.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5199-1 vom 2021-12-17",
        "url": "https://ubuntu.com/security/notices/USN-5199-1"
      },
      {
        "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-2021:4015-2 vom 2021-12-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009941.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-1821 vom 2022-05-17",
        "url": "https://linux.oracle.com/errata/ELSA-2022-1821.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2022-1802 vom 2022-06-07",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2022-1802.html"
      },
      {
        "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": "Amazon Linux Security Advisory ALAS-2022-1593 vom 2022-06-10",
        "url": "https://alas.aws.amazon.com/ALAS-2022-1593.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1663 vom 2022-05-02",
        "url": "https://access.redhat.com/errata/RHSA-2022:1663"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:1485-1 vom 2022-05-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-May/010906.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1821 vom 2022-05-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:1821"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1764 vom 2022-05-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:1764"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2022-059 vom 2022-05-13",
        "url": "https://downloads.avaya.com/css/P8/documents/101081786"
      }
    ],
    "source_lang": "en-US",
    "title": "Python: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-07-06T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:46:20.802+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0144",
      "initial_release_date": "2021-09-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-09-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-09-16T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-09-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2021-09-21T22:00:00.000+00:00",
          "number": "4",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-34760089DA, FEDORA-2021-68D0F3043A"
        },
        {
          "date": "2021-09-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-EEF0654C0B"
        },
        {
          "date": "2021-10-20T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-10-26T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-01T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-02T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-11-04T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-11-09T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-23T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-11-29T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-12-13T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-16T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat und SUSE aufgenommen"
        },
        {
          "date": "2021-12-19T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-12-23T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-10T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-01T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-02T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-15T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2022-05-17T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-06-07T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-06-09T22:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-24T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-07-02T22:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-07-06T22:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "28"
    }
  },
  "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 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 Device Services",
            "product": {
              "name": "Avaya Aura Device Services",
              "product_id": "T015517",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_device_services:-"
              }
            }
          },
          {
            "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": [
          {
            "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": "IBM QRadar SIEM 7.5",
            "product": {
              "name": "IBM QRadar SIEM 7.5",
              "product_id": "T022954",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:qradar_siem:7.5"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Python \u003c 3.6.14",
                "product": {
                  "name": "Open Source Python \u003c 3.6.14",
                  "product_id": "T020325",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.6.14"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c 3.7.11",
                "product": {
                  "name": "Open Source Python \u003c 3.7.11",
                  "product_id": "T020326",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.7.11"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c 3.8.10",
                "product": {
                  "name": "Open Source Python \u003c 3.8.10",
                  "product_id": "T020327",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.8.10"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Python \u003c 3.9.5",
                "product": {
                  "name": "Open Source Python \u003c 3.9.5",
                  "product_id": "T020328",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:python:python:3.9.5"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Python"
          }
        ],
        "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-2021-3733",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Python. Der Fehler besteht, weil der von der AbstractBasicAuthHandler-Klasse des urllib-Moduls verwendete regul\u00e4re Ausdruck ineffizient ist. Ein entfernter anonymer Angreifer mit einem b\u00f6sartigen HTTP-Server kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand auszul\u00f6sen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich."
        }
      ],
      "product_status": {
        "known_affected": [
          "T022954",
          "T015518",
          "2951",
          "T002207",
          "T015517",
          "67646",
          "T000126",
          "T015127",
          "398363",
          "T015126",
          "T004914"
        ]
      },
      "release_date": "2021-09-07T22:00:00Z",
      "title": "CVE-2021-3733"
    }
  ]
}


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