WID-SEC-W-2023-0456

Vulnerability from csaf_certbund - Published: 2021-05-19 22:00 - Updated: 2023-09-27 22:00
Summary
Squid: Schwachstelle ermöglicht Denial of Service
Severity
Mittel
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 - Windows
CVE-2021-31807

Es existiert eine Schwachstelle in Squid aufgrund von Fehlern in der Speicherverwaltung. Ein entfernter Angreifer kann dies für einen Denial of Service Angriff ausnutzen.

Affected products
Product Identifier Version Remediation
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Gentoo Linux
Gentoo
 cpe:/o:gentoo:linux:- —
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
References
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": "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- Windows",
        "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-2023-0456 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0456.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0456 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0456"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASSQUID4-2023-004 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASSQUID4-2023-004.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4981-1 vom 2021-06-03",
        "url": "https://ubuntu.com/security/notices/USN-4981-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla Bug 1962597 vom 2021-05-20",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962597"
      },
      {
        "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 SQUID vom 2021-05-26",
        "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4924 vom 2021-06-01",
        "url": "https://lists.debian.org/debian-security-announce/2021/msg00107.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2685 vom 2021-06-14",
        "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9465 vom 2021-09-25",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9465.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4292 vom 2021-11-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:4292"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1950 vom 2023-02-22",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-1950.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Squid: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-09-27T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:44:38.559+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0456",
      "initial_release_date": "2021-05-19T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-05-19T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-05-26T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2021-06-01T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-06-03T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-06-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-09-26T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-11-09T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-02-22T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Squid \u003c 4.15",
                "product": {
                  "name": "Open Source Squid \u003c 4.15",
                  "product_id": "T019291",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:squid-cache:squid:4.15"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Squid \u003c 5.0.6",
                "product": {
                  "name": "Open Source Squid \u003c 5.0.6",
                  "product_id": "T019292",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:squid-cache:squid:5.0.6"
                  }
                }
              }
            ],
            "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": "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-2021-31807",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Squid aufgrund von Fehlern in der Speicherverwaltung. Ein entfernter Angreifer kann dies f\u00fcr einen Denial of Service Angriff ausnutzen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "398363",
          "T012167",
          "T004914"
        ]
      },
      "release_date": "2021-05-19T22:00:00.000+00:00",
      "title": "CVE-2021-31807"
    }
  ]
}



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