wid-sec-w-2022-0864
Vulnerability from csaf_certbund
Published
2022-07-31 22:00
Modified
2023-10-23 22:00
Summary
lxml: 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
lxml ist ein XML-Toolkit für Python, das die C-Bibliotheken libxml2 und libxslt verwendet.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in lxml ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - MacOS X - Windows - 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": "lxml ist ein XML-Toolkit f\u00fcr Python, das die C-Bibliotheken libxml2 und libxslt verwendet.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in lxml ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- MacOS X\n- Windows\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-2022-0864 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0864.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0864 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0864"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin",
        "url": "https://www.ibm.com/support/pages/node/7058256"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6028-2 vom 2023-06-07",
        "url": "https://www.cybersecurity-help.cz/vdb/SB2023060730"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6028-2 vom 2023-06-07",
        "url": "https://ubuntu.com/security/notices/USN-6028-2"
      },
      {
        "category": "external",
        "summary": "Checkmk Werk #14481 vom 2022-07-31",
        "url": "https://checkmk.com/de/werk/14481"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2878-1 vom 2022-08-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-August/011973.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2908-1 vom 2022-08-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-August/012000.html"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2022-09-05",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2309"
      },
      {
        "category": "external",
        "summary": "PoC auf Huntr.dev",
        "url": "https://huntr.dev/bounties/8264e74f-edda-4c40-9956-49de635105ba/"
      },
      {
        "category": "external",
        "summary": "Tenable Security Advisory TNS-2022-20 vom 2022-10-26",
        "url": "https://www.tenable.com/security/tns-2022-20"
      },
      {
        "category": "external",
        "summary": "Tenable Security Advisory TNS-2022-26 vom 2022-11-09",
        "url": "https://www.tenable.com/security/tns-2022-26"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:8226 vom 2022-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2022:8226"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5760-1 vom 2022-12-05",
        "url": "https://ubuntu.com/security/notices/USN-5760-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-264 vom 2023-01-25",
        "url": "https://alas.aws.amazon.com/AL2022/ALAS-2023-264.html"
      }
    ],
    "source_lang": "en-US",
    "title": "lxml: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-10-23T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:54:20.868+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0864",
      "initial_release_date": "2022-07-31T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-07-31T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-08-23T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-08-28T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-05T22:00:00.000+00:00",
          "number": "4",
          "summary": "Korrektur"
        },
        {
          "date": "2022-09-15T22:00:00.000+00:00",
          "number": "5",
          "summary": "Referenz(en) aufgenommen: FEDORA-2022-ED0EEB6A20, FEDORA-2022-ED17F59C1D"
        },
        {
          "date": "2022-10-26T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Tenable aufgenommen"
        },
        {
          "date": "2022-11-09T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Tenable aufgenommen"
        },
        {
          "date": "2022-11-15T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-12-05T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-01-24T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-06-08T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-23T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "12"
    }
  },
  "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": "IBM Tivoli Netcool/OMNIbus \u003c 8.1.0.31",
            "product": {
              "name": "IBM Tivoli Netcool/OMNIbus \u003c 8.1.0.31",
              "product_id": "T029952",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:tivoli_netcool%2fomnibus:8.1.0_fp32"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source lxml",
            "product": {
              "name": "Open Source lxml",
              "product_id": "T024472",
              "product_identification_helper": {
                "cpe": "cpe:/a:lxml:lxml:-"
              }
            }
          }
        ],
        "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": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Tenable Security Nessus \u003c 10.3.1",
                "product": {
                  "name": "Tenable Security Nessus \u003c 10.3.1",
                  "product_id": "T025130",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:tenable:nessus:10.3.1"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Tenable Security Nessus \u003c 8.15.7",
                "product": {
                  "name": "Tenable Security Nessus \u003c 8.15.7",
                  "product_id": "T025285",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:tenable:nessus:8.15.7"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Nessus"
          }
        ],
        "category": "vendor",
        "name": "Tenable Security"
      },
      {
        "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-2022-2309",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in lxml aufgrund einer NULL-Zeiger-Dereferenz in der Funktion \"vim_appendStartNsEvents\" in [src/lxml/iterparse.pxi]. Dies gilt nur f\u00fcr Installationen, die libxml2 Versionen 2.9.10 bis 2.9.14 verwenden. Ein Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T025130",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T024472",
          "T029952",
          "T025285"
        ]
      },
      "release_date": "2022-07-31T22:00:00Z",
      "title": "CVE-2022-2309"
    }
  ]
}


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