wid-sec-w-2023-2801
Vulnerability from csaf_certbund
Published
2023-11-01 23:00
Modified
2024-06-05 22:00
Summary
Squid: 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
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.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Squid ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - UNIX


To clipboard 

{
  "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"
    }
  ]
}


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