CVE-2011-0420 (GCVE-0-2011-0420)

Vulnerability from cvelistv5 – Published: 2011-02-18 23:00 – Updated: 2024-08-06 21:51
VLAI
Summary
The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
certcc CNA under the mitre root
CNA scorecard E 42/100 over 156 records in the last 180 days details
References
URL Tags
http://www.securityfocus.com/archive/1/516504/100… mailing-listx_refsource_BUGTRAQ
http://www.debian.org/security/2011/dsa-2266 vendor-advisoryx_refsource_DEBIAN
http://www.kb.cert.org/vuls/id/210829 third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/bid/46429 vdb-entryx_refsource_BID
http://securityreason.com/securityalert/8087 third-party-advisoryx_refsource_SREASON
http://www.exploit-db.com/exploits/16182 exploitx_refsource_EXPLOIT-DB
http://lists.apple.com/archives/Security-announce… vendor-advisoryx_refsource_APPLE
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.securityfocus.com/archive/1/516518/100… mailing-listx_refsource_BUGTRAQ
http://securityreason.com/achievement_securityalert/94 third-party-advisoryx_refsource_SREASONRES
http://support.apple.com/kb/HT5002 x_refsource_CONFIRM
http://svn.php.net/viewvc/php/php-src/trunk/ext/i… x_refsource_MISC
Date Public
2011-02-16 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T21:51:08.941Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20110216 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
            "tags": [
              "mailing-list",
              "x_refsource_BUGTRAQ",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded"
          },
          {
            "name": "DSA-2266",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2266"
          },
          {
            "name": "VU#210829",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/210829"
          },
          {
            "name": "46429",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/46429"
          },
          {
            "name": "8087",
            "tags": [
              "third-party-advisory",
              "x_refsource_SREASON",
              "x_transferred"
            ],
            "url": "http://securityreason.com/securityalert/8087"
          },
          {
            "name": "16182",
            "tags": [
              "exploit",
              "x_refsource_EXPLOIT-DB",
              "x_transferred"
            ],
            "url": "http://www.exploit-db.com/exploits/16182"
          },
          {
            "name": "APPLE-SA-2011-10-12-3",
            "tags": [
              "vendor-advisory",
              "x_refsource_APPLE",
              "x_transferred"
            ],
            "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
          },
          {
            "name": "php-graphemeextract-dos(65437)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437"
          },
          {
            "name": "20110217 Re: PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
            "tags": [
              "mailing-list",
              "x_refsource_BUGTRAQ",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded"
          },
          {
            "name": "20110217 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
            "tags": [
              "third-party-advisory",
              "x_refsource_SREASONRES",
              "x_transferred"
            ],
            "url": "http://securityreason.com/achievement_securityalert/94"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.apple.com/kb/HT5002"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-02-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-10T18:57:01.000Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "name": "20110216 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded"
        },
        {
          "name": "DSA-2266",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2011/dsa-2266"
        },
        {
          "name": "VU#210829",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/210829"
        },
        {
          "name": "46429",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/46429"
        },
        {
          "name": "8087",
          "tags": [
            "third-party-advisory",
            "x_refsource_SREASON"
          ],
          "url": "http://securityreason.com/securityalert/8087"
        },
        {
          "name": "16182",
          "tags": [
            "exploit",
            "x_refsource_EXPLOIT-DB"
          ],
          "url": "http://www.exploit-db.com/exploits/16182"
        },
        {
          "name": "APPLE-SA-2011-10-12-3",
          "tags": [
            "vendor-advisory",
            "x_refsource_APPLE"
          ],
          "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
        },
        {
          "name": "php-graphemeextract-dos(65437)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437"
        },
        {
          "name": "20110217 Re: PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded"
        },
        {
          "name": "20110217 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
          "tags": [
            "third-party-advisory",
            "x_refsource_SREASONRES"
          ],
          "url": "http://securityreason.com/achievement_securityalert/94"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.apple.com/kb/HT5002"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cert@cert.org",
          "ID": "CVE-2011-0420",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20110216 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded"
            },
            {
              "name": "DSA-2266",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2011/dsa-2266"
            },
            {
              "name": "VU#210829",
              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/210829"
            },
            {
              "name": "46429",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/46429"
            },
            {
              "name": "8087",
              "refsource": "SREASON",
              "url": "http://securityreason.com/securityalert/8087"
            },
            {
              "name": "16182",
              "refsource": "EXPLOIT-DB",
              "url": "http://www.exploit-db.com/exploits/16182"
            },
            {
              "name": "APPLE-SA-2011-10-12-3",
              "refsource": "APPLE",
              "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
            },
            {
              "name": "php-graphemeextract-dos(65437)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437"
            },
            {
              "name": "20110217 Re: PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded"
            },
            {
              "name": "20110217 PHP 5.3.5 grapheme_extract() NULL Pointer Dereference",
              "refsource": "SREASONRES",
              "url": "http://securityreason.com/achievement_securityalert/94"
            },
            {
              "name": "http://support.apple.com/kb/HT5002",
              "refsource": "CONFIRM",
              "url": "http://support.apple.com/kb/HT5002"
            },
            {
              "name": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449",
              "refsource": "MISC",
              "url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2011-0420",
    "datePublished": "2011-02-18T23:00:00.000Z",
    "dateReserved": "2011-01-11T00:00:00.000Z",
    "dateUpdated": "2024-08-06T21:51:08.941Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-0420",
      "date": "2026-10-14",
      "epss": "0.14409",
      "percentile": "0.96578"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A9E6D530-91FC-42F4-A427-6601238E0187",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n grapheme_extract en la extensi\u00f3n de Internacionalizaci\u00f3n (Intl) para ICU para PHP v5.3.5 permite provocar una denegaci\u00f3n de servicio (con ca\u00edda de la aplicaci\u00f3n) a atacantes dependientes del contexto a trav\u00e9s de un argumento de tama\u00f1o no v\u00e1lido, lo que provoca una desreferencia de puntero NULL."
          }
        ],
        "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\u0027CWE-476: NULL Pointer Dereference\u0027",
        "id": "CVE-2011-0420",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-02-19T01:00:02.933",
        "references": [
          {
            "source": "cret@cert.org",
            "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "Exploit"
            ],
            "url": "http://securityreason.com/achievement_securityalert/94"
          },
          {
            "source": "cret@cert.org",
            "url": "http://securityreason.com/securityalert/8087"
          },
          {
            "source": "cret@cert.org",
            "url": "http://support.apple.com/kb/HT5002"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "Patch"
            ],
            "url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.debian.org/security/2011/dsa-2266"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.exploit-db.com/exploits/16182"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/210829"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.securityfocus.com/bid/46429"
          },
          {
            "source": "cret@cert.org",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://securityreason.com/achievement_securityalert/94"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://securityreason.com/securityalert/8087"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://support.apple.com/kb/HT5002"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449\u0026r2=306448\u0026pathrev=306449"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2011/dsa-2266"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.exploit-db.com/exploits/16182"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/210829"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://www.securityfocus.com/bid/46429"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437"
          }
        ],
        "sourceIdentifier": "cret@cert.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-01-28T23:05:03+00:00",
      "cve": "CVE-2011-0420",
      "id": "CVE-2011-0420",
      "initial_release_date": "2011-02-17T00:00:00+00:00",
      "product_status:known_not_affected": "31",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: missing $size checks in grapheme_extract()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-0420.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.