gsd-2011-1527
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.
Aliases
Aliases
CVE-2011-1527


To clipboard 

{
  "GSD": {
    "alias": "CVE-2011-1527",
    "description": "The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.",
    "id": "GSD-2011-1527",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-1527.html",
      "https://access.redhat.com/errata/RHSA-2011:1379",
      "https://alas.aws.amazon.com/cve/html/CVE-2011-1527.html",
      "https://linux.oracle.com/cve/CVE-2011-1527.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2011-1527"
      ],
      "details": "The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.",
      "id": "GSD-2011-1527",
      "modified": "2023-12-13T01:19:08.765837Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2011-1527",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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            "value": "The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions."
          }
        ]
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      "references": {
        "reference_data": [
          {
            "name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558",
            "refsource": "CONFIRM",
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558"
          },
          {
            "name": "MDVSA-2011:159",
            "refsource": "MANDRIVA",
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:159"
          },
          {
            "name": "VU#659251",
            "refsource": "CERT-VN",
            "url": "http://www.kb.cert.org/vuls/id/659251"
          },
          {
            "name": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt",
            "refsource": "CONFIRM",
            "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt"
          },
          {
            "name": "RHSA-2011:1379",
            "refsource": "REDHAT",
            "url": "http://www.redhat.com/support/errata/RHSA-2011-1379.html"
          }
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    },
    "nvd.nist.gov": {
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        "nodes": [
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:mit:kerberos_5:1.9.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
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        "description": {
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              "value": "The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
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        },
        "references": {
          "reference_data": [
            {
              "name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558"
            },
            {
              "name": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt",
              "refsource": "CONFIRM",
              "tags": [
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              ],
              "url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt"
            },
            {
              "name": "RHSA-2011:1379",
              "refsource": "REDHAT",
              "tags": [
                "Vendor Advisory"
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              "url": "http://www.redhat.com/support/errata/RHSA-2011-1379.html"
            },
            {
              "name": "MDVSA-2011:159",
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              "tags": [],
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:159"
            },
            {
              "name": "VU#659251",
              "refsource": "CERT-VN",
              "tags": [
                "US Government Resource"
              ],
              "url": "http://www.kb.cert.org/vuls/id/659251"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2020-01-21T15:46Z",
      "publishedDate": "2011-10-20T21:55Z"
    }
  }
}


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