{
  "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" : "Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Squid ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- UNIX\n- Linux\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-2022-0670 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0670.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2022-0670 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0670"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALASSQUID4-2023-005 vom 2023-09-27",
      "url" : "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-005.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-4873 vom 2021-03-24",
      "url" : "https://www.debian.org/security/2021/dsa-4873"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4895-1 vom 2021-03-29",
      "url" : "https://ubuntu.com/security/notices/USN-4895-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1838-1 vom 2021-06-02",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008917.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-1135 vom 2021-04-09",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-1135.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1135 vom 2021-04-08",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1135"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1961-1 vom 2021-06-11",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009003.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:1979 vom 2021-05-18",
      "url" : "https://access.redhat.com/errata/RHSA-2021:1979"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2021:2025 vom 2021-05-19",
      "url" : "https://access.redhat.com/errata/RHSA-2021:2025"
    }, {
      "category" : "external",
      "summary" : "CentOS Security Advisory CESA-2021:1135 vom 2021-04-16",
      "url" : "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-1135-Important-CentOS-7-squid-Security-Update-tp4646171.html"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2021-1631 vom 2021-04-22",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2021-1631.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-1979 vom 2021-05-26",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-1979.html"
    }, {
      "category" : "external",
      "summary" : "Gentoo Linux Security Advisory GLSA-202105-14 vom 2021-05-26",
      "url" : "https://www.cybersecurity-help.cz/vdb/SB2021052636"
    }, {
      "category" : "external",
      "summary" : "GitHub vom 2021-03-07",
      "url" : "https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6/"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2598 vom 2021-03-19",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/03/msg00022.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:14914-1 vom 2022-03-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010444.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2022:2392-1 vom 2022-07-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2022-July/011543.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-16656 vom 2023-02-15",
      "url" : "https://linux.oracle.com/errata/ELSA-2023-16656.html"
    } ],
    "source_lang" : "en-US",
    "title" : "Squid: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen",
    "tracking" : {
      "current_release_date" : "2023-09-27T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:31:39.645+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2022-0670",
      "initial_release_date" : "2021-03-07T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-03-07T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-03-18T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-03-24T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-03-29T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-04-05T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Referenz(en) aufgenommen: FEDORA-2021-76F09062A7, FEDORA-2021-ECB24E0B9D, FEDORA-2021-7D86BEC29E"
      }, {
        "date" : "2021-04-08T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Oracle Linux und Red Hat aufgenommen"
      }, {
        "date" : "2021-04-18T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von CentOS aufgenommen"
      }, {
        "date" : "2021-04-21T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2021-05-18T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2021-05-26T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Oracle Linux und Gentoo aufgenommen"
      }, {
        "date" : "2021-06-03T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-13T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-10-05T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Referenz(en) aufgenommen: GHSA-JVF6-H9GJ-PMJ6, SQUID-2020:11"
      }, {
        "date" : "2022-03-15T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2022-07-13T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-02-15T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2023-09-27T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von Amazon aufgenommen"
      } ],
      "status" : "final",
      "version" : "17"
    }
  },
  "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" : "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" : "Gentoo Linux",
        "product" : {
          "name" : "Gentoo Linux",
          "product_id" : "T012167",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:gentoo:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Gentoo"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source CentOS",
        "product" : {
          "name" : "Open Source CentOS",
          "product_id" : "1727",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:centos:centos:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Open Source Squid < 5.0.5",
          "product" : {
            "name" : "Open Source Squid < 5.0.5",
            "product_id" : "T018477",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:squid-cache:squid:5.0.5"
            }
          }
        }, {
          "category" : "product_name",
          "name" : "Open Source Squid < 4.14",
          "product" : {
            "name" : "Open Source Squid < 4.14",
            "product_id" : "T018545",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:squid-cache:squid:4.14"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Squid"
      } ],
      "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-2020-25097",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle in Squid. Die Schwachstelle besteht aufgrund einer unsachgemäßen Eingabevalidierung und ermöglicht 'HTTP-Request-Smuggling'. Ein entfernter anonymer Angreifer kann diese Sicherheitslücke ausnutzen, um Sicherheitsmaßnahmen zu umgehen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "T000126", "398363", "T012167", "1727", "T004914" ]
    },
    "release_date" : "2021-03-07T23:00:00.000+00:00",
    "title" : "CVE-2020-25097"
  } ]
}