{
  "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" : "ModSecurity ist eine Open Source Web Application Firewall, die für verschiedene Webserver verfügbar ist.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Trustwave ModSecurity ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- Sonstiges\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-2023-1578 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1578.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-1578 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1578"
    }, {
      "category" : "external",
      "summary" : "Trustwave SpiderLabs Security Advisory vom 2021-12-07",
      "url" : "https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/modsecurity-dos-vulnerability-in-json-parsing-cve-2021-42717/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-5023 vom 2021-12-19",
      "url" : "https://www.debian.org/security/2021/dsa-5023"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-3031 vom 2022-05-28",
      "url" : "https://lists.debian.org/debian-lts-announce/2022/05/msg00042.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-EPEL-2023-C5AD3565AA vom 2023-06-27",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-c5ad3565aa"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6370-1 vom 2023-09-14",
      "url" : "https://ubuntu.com/security/notices/USN-6370-1"
    }, {
      "category" : "external",
      "summary" : "HPE Security Bulletin vom 2024-04-30",
      "url" : "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbgn04639en_us&docLocale=en_US"
    } ],
    "source_lang" : "en-US",
    "title" : "Trustwave ModSecurity: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-05-01T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:53:08.707+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-1578",
      "initial_release_date" : "2021-12-07T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-12-07T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-12-19T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2022-05-29T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-06-27T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2023-09-14T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2024-05-01T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von HP aufgenommen"
      } ],
      "status" : "final",
      "version" : "6"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<8.90.00",
          "product" : {
            "name" : "HPE OneView <8.90.00",
            "product_id" : "T034488"
          }
        } ],
        "category" : "product_name",
        "name" : "OneView"
      } ],
      "category" : "vendor",
      "name" : "HPE"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.9.5",
          "product" : {
            "name" : "Trustwave ModSecurity <2.9.5",
            "product_id" : "T021210"
          }
        }, {
          "category" : "product_version_range",
          "name" : "<3.0.6",
          "product" : {
            "name" : "Trustwave ModSecurity <3.0.6",
            "product_id" : "T021211"
          }
        } ],
        "category" : "product_name",
        "name" : "ModSecurity"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "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-2021-42717",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in Trustwave ModSecurity. Eine fehlerhafte Behandlung von übermäßig verschachtelten JSON-Objekten kann dazu führen, dass der Webserver nicht mehr in der Lage ist, legitime Anfragen zu bearbeiten. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T000126", "T034488", "74185" ]
    },
    "release_date" : "2021-12-07T23:00:00.000+00:00",
    "title" : "CVE-2021-42717"
  } ]
}