CVE-2012-4687 (GCVE-0-2012-4687)
Vulnerability from cvelistv5
Published
2012-12-08 15:00
Modified
2025-07-09 18:27
Severity ?
CWE
Summary
Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.
References
Impacted products
Vendor Product Version
Post Oak Traffic Systems AWAM Bluetooth Reader Traffic System Version: All versions
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T20:42:54.990Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "AWAM Bluetooth Reader Traffic System",
          "vendor": "Post Oak Traffic Systems",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "research group composed of Nadia Heninger (University of California at San Diego), J. Alex Halderman, Zakir Durumeric, and Eric Wustrow (all from the University of Michigan)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003ePost Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.\u003c/p\u003e"
            }
          ],
          "value": "Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value."
        }
      ],
      "metrics": [
        {
          "cvssV2_0": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.6,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-331",
              "description": "CWE-331",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-09T18:27:31.737Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-12-335-01"
        },
        {
          "url": "http://www.postoaktraffic.com/contact.aspx"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Post Oak has developed a patch for the AWAM Bluetooth Reader Traffic \nSystem that mitigates the vulnerability. The patch allows the Bluetooth \nreader to ensure sufficient entropy exists before generating host and \nauthentication keys. The patch will be installed on all new devices when\n initially configured. Existing equipment will be patched by remote \naccess and upgraded to the latest firmware. System owners are encouraged\n to contact Post Oak Traffic Systems, \nsupport@postoaktraffic.com, (281) 381-2887. with questions patching their systems.\n\n\u003cbr\u003e"
            }
          ],
          "value": "Post Oak has developed a patch for the AWAM Bluetooth Reader Traffic \nSystem that mitigates the vulnerability. The patch allows the Bluetooth \nreader to ensure sufficient entropy exists before generating host and \nauthentication keys. The patch will be installed on all new devices when\n initially configured. Existing equipment will be patched by remote \naccess and upgraded to the latest firmware. System owners are encouraged\n to contact Post Oak Traffic Systems, \nsupport@postoaktraffic.com, (281) 381-2887. with questions patching their systems."
        }
      ],
      "source": {
        "advisory": "ICSA-12-335-01",
        "discovery": "EXTERNAL"
      },
      "title": "Post Oak Bluetooth Traffic Systems Insufficient Entropy",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2012-4687",
          "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": "Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf",
              "refsource": "MISC",
              "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2012-4687",
    "datePublished": "2012-12-08T15:00:00Z",
    "dateReserved": "2012-08-28T00:00:00Z",
    "dateUpdated": "2025-07-09T18:27:31.737Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-4687\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2012-12-08T15:55:00.960\",\"lastModified\":\"2025-07-09T19:15:22.840\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Post Oak AWAM Bluetooth Reader Traffic System does not use a sufficient source of entropy for private keys, which makes it easier for man-in-the-middle attackers to spoof a device by predicting a key value.\"},{\"lang\":\"es\",\"value\":\"Post Oak AWAM Bluetooth Reader Traffic System \\r\\nno utiliza la suficiente fuente de entrop\u00eda para claves privadas, haci\u00e9ndolo vulnerable a ataques man-in-the-middle con los que falsificar un dispositivo mediante la predicci\u00f3n de un valor clave.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:C/I:C/A:C\",\"baseScore\":7.6,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":4.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:C/I:C/A:C\",\"baseScore\":7.6,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":4.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-331\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-310\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:postoaktraffic:awam_bluetooth_reader:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AEE78368-846D-4B4D-A310-BE836742F0BB\"}]}]}],\"references\":[{\"url\":\"http://www.postoaktraffic.com/contact.aspx\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://www.cisa.gov/news-events/ics-advisories/icsa-12-335-01\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"http://www.us-cert.gov/control_systems/pdf/ICSA-12-335-01.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"US Government Resource\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • 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.