« Back to list

CVE-2014-4455

Status: ModifiedLow (2.1)—

dyld in Apple iOS before 8.1.1 and Apple TV before 7.0.2 does not properly handle overlapping segments in Mach-O executable files, which allows local users to bypass intended code-signing restrictions via a crafted file.

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 (2)

Apple — Iphone OSApple — Tvos

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2014-4455",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "2014-11-18T11:59:03.747",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2014/Nov/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2014/Nov/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/HT204245",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/HT204246",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/71140",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1031231",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98773",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT204418",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT204420",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT6590",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT6592",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2014/Nov/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2014/Nov/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/HT204245",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/HT204246",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/71140",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1031231",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98773",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT204418",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT204420",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT6590",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT6592",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "dyld in Apple iOS before 8.1.1 and Apple TV before 7.0.2 does not properly handle overlapping segments in Mach-O executable files, which allows local users to bypass intended code-signing restrictions via a crafted file."
    },
    {
      "lang": "es",
      "value": "dyld en Apple iOS anterior a 8.1.1 y Apple TV anterior a 7.0.2 no gestiona correctamente los segmentos superpuestos en archivos ejecutables de Mach-O lo que permite a usuarios locales eludir las restricciones de la firma de código a través de un archivo manipulado."
    }
  ],
  "lastModified": "2026-06-17T00:10:03.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "31944D25-25B6-4EA4-92B0-6B03921E0CCE",
              "versionEndIncluding": "8.1.2"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C32F3FB-EBDF-4A80-B7D9-42EDEF5DC6F4",
              "versionEndIncluding": "7.0.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5365205F-B91D-4123-8CFD-EA42E0DEA944"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8C7F676-5ACC-4330-9591-465CA8AF77AA"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D5314D7F-8352-41F5-A155-5E5392C58ABF"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "36567F18-DE70-4189-A52E-A0376C779B7C"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5EA1745A-E240-462A-BDA9-200DB6AC112F"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EC814F33-E1D4-4910-BD1C-2C002D734415"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1CBE682D-CC59-463E-B122-1BDEC8989AD3"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:6.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "874EF671-49AA-4F0A-B656-60E66DFBB70B"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BEE6A417-B836-4A74-AF3B-990B61D6EFC1"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:7.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D1EE7DC-E10C-4A34-AF32-03A9DC920BBA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per an <a href=\"http://support.apple.com/en-us/HT204246\">Apple Security Advisory</a> Apple TV  before 7.0.3 was also vulnerable.\nPer an <a href=\"http://support.apple.com/en-us/HT204245\">Apple Security Advisory</a> Apple iOS before 8.1.3 was also vulnerable.\n\nThese product additions are reflected in the vulnerable configuration.",
  "sourceIdentifier": "product-security@apple.com"
}