WID-SEC-W-2023-1127

Vulnerability from csaf_certbund - Published: 2021-01-26 23:00 - Updated: 2025-08-18 22:00
Summary
OpenLDAP: Mehrere Schwachstellen ermöglichen 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
OpenLDAP ist eine frei verfügbare Implementierung des Verzeichnisdienstes LDAP.
Angriff
Ein unbekannter Angreifer kann mehrere Schwachstellen in OpenLDAP ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - MacOS X - UNIX - Windows
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": "OpenLDAP ist eine frei verf\u00fcgbare Implementierung des Verzeichnisdienstes LDAP.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein unbekannter Angreifer kann mehrere Schwachstellen in OpenLDAP ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- UNIX\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-2023-1127 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1127.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1127 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1127"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36221"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36222"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36223"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36224"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36225"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36226"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36227"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36228"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36229"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2021-01-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36230"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4845 vom 2021-02-03",
        "url": "https://www.debian.org/security/2021/dsa-4845"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2544 vom 2021-02-03",
        "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4724-1 vom 2021-02-08",
        "url": "https://usn.ubuntu.com/4724-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4724-1 vom 2021-02-08",
        "url": "https://ubuntu.com/security/notices/USN-4724-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0693-1 vom 2021-03-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-March/008428.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0692-1 vom 2021-03-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-March/008431.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:14700-1 vom 2021-04-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008644.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1707 vom 2021-09-15",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1707.html"
      },
      {
        "category": "external",
        "summary": "Hitachi Cybersecurity Advisory",
        "url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000066\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2033 vom 2023-05-03",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2033.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1741 vom 2023-05-04",
        "url": "https://alas.aws.amazon.com/ALAS-2023-1741.html"
      },
      {
        "category": "external",
        "summary": "Splunk Security Advisory SVD-2024-1012 vom 2024-10-14",
        "url": "https://advisory.splunk.com//advisories/SVD-2024-1012"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7698-1 vom 2025-08-19",
        "url": "https://ubuntu.com/security/notices/USN-7698-1"
      }
    ],
    "source_lang": "en-US",
    "title": "OpenLDAP: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
    "tracking": {
      "current_release_date": "2025-08-18T22:00:00.000+00:00",
      "generator": {
        "date": "2025-08-19T06:10:25.509+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2023-1127",
      "initial_release_date": "2021-01-26T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-01-26T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-02-03T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-02-08T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-03-03T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-04-18T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-09-15T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2021-12-07T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-04T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-07T22:00:00.000+00:00",
          "number": "10",
          "summary": "Doppelte Eintragung korrigiert"
        },
        {
          "date": "2024-10-14T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Splunk-SVD aufgenommen"
        },
        {
          "date": "2025-08-18T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "12"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c12.4.11",
                "product": {
                  "name": "Hitachi Energy RTU500 \u003c12.4.11",
                  "product_id": "T021212"
                }
              },
              {
                "category": "product_version",
                "name": "12.4.11",
                "product": {
                  "name": "Hitachi Energy RTU500 12.4.11",
                  "product_id": "T021212-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:abb:rtu500:12.4.11"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c12.6.7",
                "product": {
                  "name": "Hitachi Energy RTU500 \u003c12.6.7",
                  "product_id": "T021213"
                }
              },
              {
                "category": "product_version",
                "name": "12.6.7",
                "product": {
                  "name": "Hitachi Energy RTU500 12.6.7",
                  "product_id": "T021213-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:abb:rtu500:12.6.7"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c12.7.2",
                "product": {
                  "name": "Hitachi Energy RTU500 \u003c12.7.2",
                  "product_id": "T021214"
                }
              },
              {
                "category": "product_version",
                "name": "12.7.2",
                "product": {
                  "name": "Hitachi Energy RTU500 12.7.2",
                  "product_id": "T021214-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:abb:rtu500:12.7.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c13.2.3",
                "product": {
                  "name": "Hitachi Energy RTU500 \u003c13.2.3",
                  "product_id": "T021215"
                }
              },
              {
                "category": "product_version",
                "name": "13.2.3",
                "product": {
                  "name": "Hitachi Energy RTU500 13.2.3",
                  "product_id": "T021215-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:abb:rtu500:13.2.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "RTU500"
          }
        ],
        "category": "vendor",
        "name": "Hitachi Energy"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.4.57",
                "product": {
                  "name": "Open Source OpenLDAP \u003c2.4.57",
                  "product_id": "T018176"
                }
              },
              {
                "category": "product_version",
                "name": "2.4.57",
                "product": {
                  "name": "Open Source OpenLDAP 2.4.57",
                  "product_id": "T018176-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:openldap:openldap:2.4.57"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "OpenLDAP"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c9.3.1",
                "product": {
                  "name": "Splunk Splunk Enterprise \u003c9.3.1",
                  "product_id": "T038314"
                }
              },
              {
                "category": "product_version",
                "name": "9.3.1",
                "product": {
                  "name": "Splunk Splunk Enterprise 9.3.1",
                  "product_id": "T038314-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:splunk:splunk:9.3.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c9.2.3",
                "product": {
                  "name": "Splunk Splunk Enterprise \u003c9.2.3",
                  "product_id": "T038315"
                }
              },
              {
                "category": "product_version",
                "name": "9.2.3",
                "product": {
                  "name": "Splunk Splunk Enterprise 9.2.3",
                  "product_id": "T038315-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:splunk:splunk:9.2.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c9.1.6",
                "product": {
                  "name": "Splunk Splunk Enterprise \u003c9.1.6",
                  "product_id": "T038316"
                }
              },
              {
                "category": "product_version",
                "name": "9.1.6",
                "product": {
                  "name": "Splunk Splunk Enterprise 9.1.6",
                  "product_id": "T038316-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:splunk:splunk:9.1.6"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Splunk Enterprise"
          }
        ],
        "category": "vendor",
        "name": "Splunk"
      },
      {
        "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-2020-36221",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36221"
    },
    {
      "cve": "CVE-2020-36222",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36222"
    },
    {
      "cve": "CVE-2020-36223",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36223"
    },
    {
      "cve": "CVE-2020-36224",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36224"
    },
    {
      "cve": "CVE-2020-36225",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36225"
    },
    {
      "cve": "CVE-2020-36226",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36226"
    },
    {
      "cve": "CVE-2020-36227",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36227"
    },
    {
      "cve": "CVE-2020-36228",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36228"
    },
    {
      "cve": "CVE-2020-36229",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36229"
    },
    {
      "cve": "CVE-2020-36230",
      "product_status": {
        "known_affected": [
          "T021215",
          "T021214",
          "T021213",
          "T021212",
          "2951",
          "T002207",
          "T000126",
          "T038314",
          "398363",
          "T038315",
          "T038316",
          "T018176"
        ]
      },
      "release_date": "2021-01-26T23:00:00.000+00:00",
      "title": "CVE-2020-36230"
    }
  ]
}


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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.