fkie_cve-2006-6493
Vulnerability from fkie_nvd
Published
2006-12-13 00:28
Modified
2025-04-09 00:30
Severity ?
Summary
Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data.
Impacted products
Vendor Product Version
openldap openldap *
openldap openldap 1.0
openldap openldap 1.0.1
openldap openldap 1.0.2
openldap openldap 1.0.3
openldap openldap 1.1
openldap openldap 1.1.0
openldap openldap 1.1.1
openldap openldap 1.1.2
openldap openldap 1.1.3
openldap openldap 1.1.4
openldap openldap 1.2
openldap openldap 1.2.0
openldap openldap 1.2.1
openldap openldap 1.2.2
openldap openldap 1.2.3
openldap openldap 1.2.4
openldap openldap 1.2.5
openldap openldap 1.2.6
openldap openldap 1.2.7
openldap openldap 1.2.8
openldap openldap 1.2.9
openldap openldap 1.2.10
openldap openldap 1.2.11
openldap openldap 1.2.12
openldap openldap 1.2.13
openldap openldap 2.0
openldap openldap 2.0.0
openldap openldap 2.0.1
openldap openldap 2.0.2
openldap openldap 2.0.3
openldap openldap 2.0.4
openldap openldap 2.0.5
openldap openldap 2.0.6
openldap openldap 2.0.7
openldap openldap 2.0.8
openldap openldap 2.0.9
openldap openldap 2.0.10
openldap openldap 2.0.11
openldap openldap 2.0.11_9
openldap openldap 2.0.11_11
openldap openldap 2.0.11_11s
openldap openldap 2.0.12
openldap openldap 2.0.13
openldap openldap 2.0.14
openldap openldap 2.0.15
openldap openldap 2.0.16
openldap openldap 2.0.17
openldap openldap 2.0.18
openldap openldap 2.0.19
openldap openldap 2.0.20
openldap openldap 2.0.21
openldap openldap 2.0.22
openldap openldap 2.0.23
openldap openldap 2.0.24
openldap openldap 2.0.25
openldap openldap 2.0.26
openldap openldap 2.0.27
openldap openldap 2.1.2
openldap openldap 2.1.3
openldap openldap 2.1.4
openldap openldap 2.1.5
openldap openldap 2.1.6
openldap openldap 2.1.7
openldap openldap 2.1.8
openldap openldap 2.1.9
openldap openldap 2.1.10
openldap openldap 2.1.11
openldap openldap 2.1.12
openldap openldap 2.1.13
openldap openldap 2.1.14
openldap openldap 2.1.15
openldap openldap 2.1.16
openldap openldap 2.1.17
openldap openldap 2.1.18
openldap openldap 2.1.19
openldap openldap 2.1.20
openldap openldap 2.1.21
openldap openldap 2.1.22
openldap openldap 2.1.23
openldap openldap 2.1.24
openldap openldap 2.1.25
openldap openldap 2.1.26
openldap openldap 2.1.27
openldap openldap 2.1.28
openldap openldap 2.1.29
openldap openldap 2.1.30
openldap openldap 2.1_.20
openldap openldap 2.2.0
openldap openldap 2.2.1
openldap openldap 2.2.4
openldap openldap 2.2.5
openldap openldap 2.2.6
openldap openldap 2.2.7
openldap openldap 2.2.8
openldap openldap 2.2.9
openldap openldap 2.2.10
openldap openldap 2.2.11
openldap openldap 2.2.12
openldap openldap 2.2.13
openldap openldap 2.2.14
openldap openldap 2.2.15
openldap openldap 2.2.16
openldap openldap 2.2.17
openldap openldap 2.2.18
openldap openldap 2.2.19
openldap openldap 2.2.20
openldap openldap 2.2.21
openldap openldap 2.2.22
openldap openldap 2.2.23
openldap openldap 2.2.24
openldap openldap 2.2.25
openldap openldap 2.2.26
openldap openldap 2.2.27
openldap openldap 2.2.28_r2
openldap openldap 2.3.27_2_2006-10-18
openldap openldap 2.3.28_2_2006-10-22
openldap openldap 2.3.28_2006-10-22
openldap openldap 2.3.28_e1.0.0



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          "negate": false,
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en la funci\u00f3n krbv4_ldap_auth de servers/slapd/kerberos.c en OpenLDAP 2.4.3 y versiones anteriores, cuando el OpenLDAP es compilado con la opci\u00f3n kbind (Kerberos KBIND) habilitada, permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de una petici\u00f3n LDAP utilizando el m\u00e9todo de autenticaci\u00f3n LDAP_AUTH_KRBV41 y un dato largo en las credenciales."
    }
  ],
  "evaluatorSolution": "Successful exploitation requires that OpenLDAP allows the use of the LDAPv2 protocol, and is compiled with the --enable-kbind (Kerberos KBIND) option which has been disabled by default since version 2.0.2 and was removed from the configure script in the 2.1 release.",
  "id": "CVE-2006-6493",
  "lastModified": "2025-04-09T00:30:58.490",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 4.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": true,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-12-13T00:28:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/23334"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://securityreason.com/securityalert/2023"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.phreedom.org/solar/exploits/openldap-kbind"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/archive/1/454181/30/0/threaded"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2006/4964"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/23334"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://securityreason.com/securityalert/2023"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.phreedom.org/solar/exploits/openldap-kbind"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "http://www.securityfocus.com/archive/1/454181/30/0/threaded"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2006/4964"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vendorComments": [
    {
      "comment": "Not vulnerable. OpenLDAP as shipped with Red Hat Enterprise Linux 2.1, 3, and 4 does not support the LDAP_AUTH_KRBV41 authentication method.",
      "lastModified": "2006-12-19T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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