{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "Squid ist ein Open-Source Web Proxy Cache f\u00fcr Unix und Windows Plattformen. Die Software unterst\u00fctzt 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 einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "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-2023-2801 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2801.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2801 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2801"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0397 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0397"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5637 vom 2024-03-08",
        "url": "https://lists.debian.org/debian-security-announce/2024/msg00043.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0072 vom 2024-01-08",
        "url": "https://access.redhat.com/errata/RHSA-2024:0072"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0071 vom 2024-01-08",
        "url": "https://access.redhat.com/errata/RHSA-2024:0071"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1153 vom 2024-03-05",
        "url": "https://access.redhat.com/errata/RHSA-2024:1153"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-0071 vom 2024-01-11",
        "url": "http://linux.oracle.com/errata/ELSA-2024-0071.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-6317EAA767 vom 2023-12-20",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-6317eaa767"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-AB77331A34 vom 2023-12-20",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-ab77331a34"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0046 vom 2024-01-04",
        "url": "https://access.redhat.com/errata/RHSA-2024:0046"
      },
      {
        "category": "external",
        "summary": "GitHub Squid vom 2023-11-01",
        "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-73m6-jm96-c6r3"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker vom 2023-11-01",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2247567"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4381-1 vom 2023-11-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017002.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4380-1 vom 2023-11-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017003.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4384-1 vom 2023-11-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017008.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-0046 vom 2024-01-04",
        "url": "http://linux.oracle.com/errata/ELSA-2024-0046.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0773 vom 2024-02-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:0773"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0772 vom 2024-02-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:0772"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6500-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6500-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2354 vom 2023-12-05",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2354.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1886 vom 2023-12-04",
        "url": "https://alas.aws.amazon.com/ALAS-2023-1886.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1787 vom 2024-04-11",
        "url": "https://access.redhat.com/errata/RHSA-2024:1787"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-1787 vom 2024-04-12",
        "url": "https://linux.oracle.com/errata/ELSA-2024-1787.html"
      },
      {
        "category": "external",
        "summary": "CentOS Security Advisory CESA-2024:1787 vom 2024-06-06",
        "url": "https://lwn.net/Articles/973021"
      }
    ],
    "source_lang": "en-US",
    "title": "Squid: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-06-05T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-06T08:37:22.883+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2801",
      "initial_release_date": "2023-11-01T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-11-01T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-08T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-21T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-04T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-12-20T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2024-01-03T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-04T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-07T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-10T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-24T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-11T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-03-05T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-03-10T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-04-11T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
        },
        {
          "date": "2024-06-05T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von CentOS aufgenommen"
        }
      ],
      "status": "final",
      "version": "16"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "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_version_range",
                "name": "\u003c6.4",
                "product": {
                  "name": "Open Source Squid \u003c6.4",
                  "product_id": "T030875",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:squid-cache:squid:6.4"
                  }
                }
              }
            ],
            "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-2023-46724",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Squid. Dieser Fehler besteht aufgrund einer unsachgem\u00e4\u00dfen Validierung eines bestimmten Indexes w\u00e4hrend der SSL-Zertifikats\u00fcberpr\u00fcfung. Durch die Initiierung eines TLS-Handshake mit einem speziell gestalteten SSL-Zertifikat in einer Server-Zertifikatskette kann ein entfernter, anonymer Angreifer diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "1727",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2023-11-01T23:00:00Z",
      "title": "CVE-2023-46724"
    }
  ]
}