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FKIE_CVE-2011-3257

Vulnerability from fkie_nvd - Published: 2011-10-14 10:55 - Updated: 2026-06-16 23:32
Severity
Summary
The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.
References
product-security@apple.comhttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlVendor Advisory
product-security@apple.comhttp://osvdb.org/76325
product-security@apple.comhttp://support.apple.com/kb/HT4999Vendor Advisory
product-security@apple.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/70553
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/76325
af854a3a-2127-422b-91ae-364da2661108http://support.apple.com/kb/HT4999Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/70553
Impacted products
Vendor Product Version
apple iphone_os 3.0
apple iphone_os 3.1
apple iphone_os 3.1
apple iphone_os 3.1
apple iphone_os 3.1.2
apple iphone_os 3.1.3
apple iphone_os 3.2
apple iphone_os 3.2
apple iphone_os 3.2.1
apple iphone_os 3.2.1
apple iphone_os 3.2.2
apple iphone_os 4.0
apple iphone_os 4.0
apple iphone_os 4.0
apple iphone_os 4.0.1
apple iphone_os 4.0.1
apple iphone_os 4.0.1
apple iphone_os 4.0.2
apple iphone_os 4.1
apple iphone_os 4.2.1
apple iphone_os 4.2.5
apple iphone_os 4.2.8
apple iphone_os 4.3.0
apple iphone_os 4.3.1
apple iphone_os 4.3.2
apple iphone_os 4.3.3
apple iphone_os 4.3.5
apple iphone_os 4.3.5
apple iphone_os 4.3.5
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "product-security@apple.com"
    }
  ],
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              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account\u0027s cookie."
    },
    {
      "lang": "es",
      "value": "El componente Data Access en iOS de Apple anterior a v5 no controla correctamente la existencia de varias cuentas de usuario en el mismo servidor de correo, permitiendo a usuarios locales eludir restricciones de acceso en determinadas circunstancias mediante el aprovechamiento de cookies de otra cuenta."
    }
  ],
  "id": "CVE-2011-3257",
  "lastModified": "2026-06-16T23:32:58.737",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-10-14T10:55:10.183",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html"
    },
    {
      "source": "product-security@apple.com",
      "url": "http://osvdb.org/76325"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4999"
    },
    {
      "source": "product-security@apple.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70553"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/76325"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.apple.com/kb/HT4999"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70553"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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