WID-SEC-W-2023-2384

Vulnerability from csaf_certbund - Published: 2023-09-18 22:00 - Updated: 2025-06-10 22:00
Summary
GNU libc: Mehrere Schwachstellen
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: Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalität bereitstellt.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
CVE-2023-4527
CVE-2023-4806
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": "Die GNU libc ist die Basis C Bibliothek unter Linux sowie anderen Unix-Betriebssystemen, welche die Systemaufrufe sowie Basisfunktionalit\u00e4t bereitstellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GNU libc ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "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-2023-2384 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2384.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2384 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2384"
      },
      {
        "category": "external",
        "summary": "GNU libc Security Notification vom 2023-09-18",
        "url": "https://github.com/advisories/GHSA-5f52-v49r-796w"
      },
      {
        "category": "external",
        "summary": "GNU libc Security Notification vom 2023-09-18",
        "url": "https://github.com/advisories/GHSA-hmf7-f8gf-8f4p"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6409-1 vom 2023-10-03",
        "url": "https://ubuntu.com/security/notices/USN-6409-1"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-63E5A77522 vom 2023-10-04",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-63e5a77522"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5514 vom 2023-10-03",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00207.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-2B8C11EE75 vom 2023-10-04",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-2b8c11ee75"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5514 vom 2023-10-04",
        "url": "https://www.debian.org/security/2023/dsa-5514"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-028062484E vom 2023-10-04",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-028062484e"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202310-03 vom 2023-10-04",
        "url": "https://security.gentoo.org/glsa/202310-03"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:5453 vom 2023-10-05",
        "url": "https://access.redhat.com/errata/RHSA-2023:5453"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:5455 vom 2023-10-05",
        "url": "https://access.redhat.com/errata/RHSA-2023:5455"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-5455 vom 2023-10-10",
        "url": "https://linux.oracle.com/errata/ELSA-2023-5455.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-5453 vom 2023-10-10",
        "url": "https://linux.oracle.com/errata/ELSA-2023-5453.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12873 vom 2023-10-12",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12873.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12872 vom 2023-10-12",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12872.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:5851 vom 2023-10-19",
        "url": "https://access.redhat.com/errata/RHSA-2023:5851"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7409 vom 2023-11-21",
        "url": "https://access.redhat.com/errata/RHSA-2023:7409"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6541-1 vom 2023-12-07",
        "url": "https://ubuntu.com/security/notices/USN-6541-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6541-2 vom 2024-01-10",
        "url": "https://ubuntu.com/security/notices/USN-6541-2"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7111646 vom 2024-01-24",
        "url": "https://www.ibm.com/support/pages/node/7111646"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7145367 vom 2024-03-27",
        "url": "https://www.ibm.com/support/pages/node/7145367"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12472 vom 2024-07-03",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12472.html"
      },
      {
        "category": "external",
        "summary": "Siemens Security Advisory SSA-082556 vom 2025-06-10",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
      }
    ],
    "source_lang": "en-US",
    "title": "GNU libc: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-06-10T22:00:00.000+00:00",
      "generator": {
        "date": "2025-06-11T06:22:52.781+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.12"
        }
      },
      "id": "WID-SEC-W-2023-2384",
      "initial_release_date": "2023-09-18T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-09-18T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-03T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu, Fedora und Debian aufgenommen"
        },
        {
          "date": "2023-10-05T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-10-10T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-10-12T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-10-18T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-21T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-12-07T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-10T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-24T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2024-03-27T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2024-07-03T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2025-06-10T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Siemens aufgenommen"
        }
      ],
      "status": "final",
      "version": "13"
    }
  },
  "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": [
          {
            "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_version_range",
                "name": "\u003c7.5.0 UP8",
                "product": {
                  "name": "IBM QRadar SIEM \u003c7.5.0 UP8",
                  "product_id": "T033681"
                }
              },
              {
                "category": "product_version",
                "name": "7.5.0 UP8",
                "product": {
                  "name": "IBM QRadar SIEM 7.5.0 UP8",
                  "product_id": "T033681-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:qradar_siem:7.5.0_up8"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "QRadar SIEM"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12",
                "product": {
                  "name": "IBM Security Guardium 12.0",
                  "product_id": "T031092",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:security_guardium:12.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Security Guardium"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source GNU libc",
            "product": {
              "name": "Open Source GNU libc",
              "product_id": "T029963",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:glibc:-"
              }
            }
          }
        ],
        "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1500 CPU",
                "product": {
                  "name": "Siemens SIMATIC S7 1500 CPU",
                  "product_id": "T025776",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:siemens:simatic_s7:1500_cpu"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC S7"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      },
      {
        "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-2023-4527",
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "T031092",
          "T033681",
          "T025776",
          "T012167",
          "T004914",
          "T029963",
          "74185"
        ]
      },
      "release_date": "2023-09-18T22:00:00.000+00:00",
      "title": "CVE-2023-4527"
    },
    {
      "cve": "CVE-2023-4806",
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "T031092",
          "T033681",
          "T025776",
          "T012167",
          "T004914",
          "T029963",
          "74185"
        ]
      },
      "release_date": "2023-09-18T22:00:00.000+00:00",
      "title": "CVE-2023-4806"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.