certfr_avis - certa-2011-avi-599

CERTA-2011-AVI-599

Vulnerability from certfr_avis

Une vulnérabilité dans OpenLDAP permet de réaliser un déni de service à distance.

Description

Une vulnérabilité a été découverte dans OpenLDAP. Un utilisateur authentifié peut, en mettant une chaîne vide à un attribut particulier, provoquer un déni de service à distance.

Solution

Un correctif a été publié dans le git d'OpenLDAP.

OpenLDAP versions 2.4.26 et antérieures.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2011-4079 (GCVE-0-2011-4079)

Vulnerability from cvelistv5

Published

2011-10-27 20:00

Modified

2024-08-06 23:53

Severity ?

CWE

Summary

Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.

References

URL

Tags

	http://security.gentoo.org/glsa/glsa-201406-36.xml	vendor-advisory, x_refsource_GENTOO
	http://www.openwall.com/lists/oss-security/2011/10/26/5	mailing-list, x_refsource_MLIST
	http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=749324	x_refsource_MISC
	http://www.ubuntu.com/usn/USN-1266-1	vendor-advisory, x_refsource_UBUNTU
	http://secunia.com/advisories/46599	third-party-advisory, x_refsource_SECUNIA
	http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9	x_refsource_MISC
	http://www.securityfocus.com/bid/50384	vdb-entry, x_refsource_BID
	https://exchange.xforce.ibmcloud.com/vulnerabilities/70991	vdb-entry, x_refsource_XF
	http://www.openwall.com/lists/oss-security/2011/10/26/9	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T23:53:32.849Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GLSA-201406-36",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
          },
          {
            "name": "[oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
          },
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          },
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
          },
          {
            "name": "USN-1266-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-1266-1"
          },
          {
            "name": "46599",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/46599"
          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
          },
          {
            "name": "50384",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/50384"
          },
          {
            "name": "openldap-utf8stringnormalize-dos(70991)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
          },
          {
            "name": "[oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-10-26T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-28T12:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "GLSA-201406-36",
          "tags": [
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            "x_refsource_GENTOO"
          ],
          "url": "http://security.gentoo.org/glsa/glsa-201406-36.xml"
        },
        {
          "name": "[oss-security] 20111026 CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/10/26/5"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.openldap.org/its/index.cgi/Software%20Bugs?id=7059%3Bselectid=7059"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=749324"
        },
        {
          "name": "USN-1266-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-1266-1"
        },
        {
          "name": "46599",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/46599"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commitdiff%3Bh=507238713b71208ec4f262f312cb495a302df9e9"
        },
        {
          "name": "50384",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/50384"
        },
        {
          "name": "openldap-utf8stringnormalize-dos(70991)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70991"
        },
        {
          "name": "[oss-security] 20111026 Re: CVE Request: openldap2 UTF8StringNormalize() can cause a (one-byte) buffer overflow",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/10/26/9"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-4079",
    "datePublished": "2011-10-27T20:00:00",
    "dateReserved": "2011-10-18T00:00:00",
    "dateUpdated": "2024-08-06T23:53:32.849Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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