wid-sec-w-2023-1126
Vulnerability from csaf_certbund
Published
2021-02-14 23:00
Modified
2023-05-04 22:00
Summary
OpenLDAP: 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
OpenLDAP ist eine frei verfügbare Implementierung des Verzeichnisdienstes LDAP.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenLDAP ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - 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 entfernter, anonymer Angreifer kann eine Schwachstelle in OpenLDAP ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- 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-2023-1126 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1126.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1126 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1126"
      },
      {
        "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": "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": "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": "OpenLDAP BugBounty vom 2021-02-14",
        "url": "https://bugs.openldap.org/show_bug.cgi?id=9454"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4860 vom 2021-02-22",
        "url": "http://www.debian.org/security/2021/dsa-4860"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2574 vom 2021-02-20",
        "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4744-1 vom 2021-02-22",
        "url": "https://ubuntu.com/security/notices/USN-4744-1"
      },
      {
        "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-2021:0723-1 vom 2021-03-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-March/008438.html"
      }
    ],
    "source_lang": "en-US",
    "title": "OpenLDAP: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-05-04T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:26:25.927+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1126",
      "initial_release_date": "2021-02-14T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-02-14T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-02-21T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-02-22T23:00:00.000+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": "2021-03-08T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-04-18T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-04T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "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_name",
                "name": "Open Source OpenLDAP \u003c= 2.4.57",
                "product": {
                  "name": "Open Source OpenLDAP \u003c= 2.4.57",
                  "product_id": "T018354",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:openldap:openldap:2.4.57"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source OpenLDAP \u003c= 2.5.1alpha",
                "product": {
                  "name": "Open Source OpenLDAP \u003c= 2.5.1alpha",
                  "product_id": "T018355",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:openldap:openldap:2.5.1alpha"
                  }
                }
              }
            ],
            "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": [
          {
            "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-2021-27212",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in OpenLDAP, welche aufgrund eines Assertionsfehlers in slapd besteht. Dieser Fehler kann bei einem speziell angefertigten Paket auftreten. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T000126",
          "398363"
        ],
        "last_affected": [
          "T018355",
          "T018354"
        ]
      },
      "release_date": "2021-02-14T23:00:00Z",
      "title": "CVE-2021-27212"
    }
  ]
}


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