CVE-2012-2739 (GCVE-0-2012-2739)

Vulnerability from cvelistv5 – Published: 2012-11-28 11:00 – Updated: 2024-08-06 19:42
VLAI
Summary
Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
Severity
No CVSS data available.
CWE
  • n/a
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T19:42:32.448Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750533"
          },
          {
            "name": "[oss-security] 20120616 Re: CVE request: java hashdos vulnerability",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2012/06/17/1"
          },
          {
            "name": "VU#903934",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/903934"
          },
          {
            "name": "[oss-security] 20120615 CVE request: java hashdos vulnerability",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2012/06/15/12"
          },
          {
            "name": "[core-libs-dev] 20120522 Review Request CR#7118743 : Alternative Hashing for String with Hash-based Maps",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2012-11-28T11:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750533"
        },
        {
          "name": "[oss-security] 20120616 Re: CVE request: java hashdos vulnerability",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2012/06/17/1"
        },
        {
          "name": "VU#903934",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/903934"
        },
        {
          "name": "[oss-security] 20120615 CVE request: java hashdos vulnerability",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2012/06/15/12"
        },
        {
          "name": "[core-libs-dev] 20120522 Review Request CR#7118743 : Alternative Hashing for String with Hash-based Maps",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2012-2739",
    "datePublished": "2012-11-28T11:00:00.000Z",
    "dateReserved": "2012-05-14T00:00:00.000Z",
    "dateUpdated": "2024-08-06T19:42:32.448Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2012-2739",
      "date": "2026-09-21",
      "epss": "0.0317",
      "percentile": "0.87454"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:*:update5:*:*:*:*:*:*",
                    "matchCriteriaId": "F20B2290-B3B8-41A1-AC5F-38CE0B2FD644",
                    "versionEndIncluding": "1.7.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:1.7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E44FC8AF-F76F-4A8E-8D03-4F8BCA8CB031",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:1.7.0:update1:*:*:*:*:*:*",
                    "matchCriteriaId": "6152036D-6421-4AE4-9223-766FE07B5A44",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:1.7.0:update2:*:*:*:*:*:*",
                    "matchCriteriaId": "D375CECB-405C-4E18-A7E8-9C5A2F97BD69",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:1.7.0:update3:*:*:*:*:*:*",
                    "matchCriteriaId": "52EEEA5A-E77C-43CF-A063-9D5C64EA1870",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jdk:1.7.0:update4:*:*:*:*:*:*",
                    "matchCriteriaId": "003746F6-DEF0-4D0F-AD97-9E335868E301",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:*:update5:*:*:*:*:*:*",
                    "matchCriteriaId": "EBD01453-4644-47A2-9FD5-7606CCB483F6",
                    "versionEndIncluding": "1.7.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:1.7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5C27372B-A091-46D5-AE39-A44BBB1D9EE2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:1.7.0:update1:*:*:*:*:*:*",
                    "matchCriteriaId": "F4B153FD-E20B-4909-8B10-884E48F5B590",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:1.7.0:update2:*:*:*:*:*:*",
                    "matchCriteriaId": "CB106FA9-26CE-48C5-AEA5-FD1A5454AEE2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:1.7.0:update3:*:*:*:*:*:*",
                    "matchCriteriaId": "5831D70B-3854-4CB8-B88D-40F1743DAEE0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:jre:1.7.0:update4:*:*:*:*:*:*",
                    "matchCriteriaId": "EEB101C9-CA38-4421-BC0C-C1AD47AA2CC9",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:oracle:openjdk:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9E496C8B-BA28-4E4F-8168-10E623179DF9",
                    "versionEndIncluding": "1.7.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:openjdk:1.6.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3A6505E4-8E6A-4888-8B9C-2B2C10546CB6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:oracle:openjdk:1.8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2CA81243-2FC7-481B-AFD8-067E3EC9DF77",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Oracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table."
          },
          {
            "lang": "es",
            "value": "Oracle Java SE anteriores a 7 Update 6, y OpenJDK 7 anteriores a 7u6 build 12 y 8 anteriores a build 39, calculan los valores de hash sin restringir la posibilidad de provocar colisiones hash previsibles, lo que permite a atacantes dependientes de contexto provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de la manipulaci\u00f3n de una entrada para la aplicaci\u00f3n que mantiene la tabla de valores hash."
          }
        ],
        "id": "CVE-2012-2739",
        "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": "2012-11-28T13:03:09.793",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit"
            ],
            "url": "http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/903934"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2012/06/15/12"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.openwall.com/lists/oss-security/2012/06/17/1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750533"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit"
            ],
            "url": "http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.kb.cert.org/vuls/id/903934"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.nruns.com/_downloads/advisory28122011.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ocert.org/advisories/ocert-2011-003.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2012/06/15/12"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.openwall.com/lists/oss-security/2012/06/17/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750533"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:48:47+00:00",
      "cve": "CVE-2012-2739",
      "id": "CVE-2012-2739",
      "initial_release_date": "2012-01-01T00:00:00+00:00",
      "product_status:known_affected": "46",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "java: hash table collisions CPU usage DoS (oCERT-2011-003)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-2739.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…