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CVE-2014-1255

Status: ModifiedHigh (7.5)—

Apple Type Services (ATS) in Apple OS X before 10.9.2 does not properly validate calls to the free function, which allows attackers to bypass the App Sandbox protection mechanism via crafted Mach messages.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Apple — MAC OS X

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2014-1255",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-02-27T01:55:03.850",
  "references": [
    {
      "url": "http://support.apple.com/kb/HT6150",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/kb/HT6150",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apple Type Services (ATS) in Apple OS X before 10.9.2 does not properly validate calls to the free function, which allows attackers to bypass the App Sandbox protection mechanism via crafted Mach messages."
    },
    {
      "lang": "es",
      "value": "Apple Type Services (ATS) en Apple OS X anterior a 10.9.2 no valida debidamente llamadas a la función \"free\", lo que permite a atacantes evadir el mecanismo de protección App Sandbox a través de mensajes Mach manipuilados."
    }
  ],
  "lastModified": "2026-06-17T00:04:35.727",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C8303A91-5C8F-4709-83D6-3D211F9C57EE",
              "versionEndIncluding": "10.9.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A48A5310-A589-4E9B-99BC-F840CC1A6A44"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}