CVE-2011-3427 (GCVE-0-2011-3427)
Vulnerability from cvelistv5 – Published: 2011-10-14 10:00 – Updated: 2024-08-06 23:37
VLAI
EPSS
VEX
Summary
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://lists.apple.com/archives/Security-announce… | vendor-advisoryx_refsource_APPLE |
| http://osvdb.org/76326 | vdb-entryx_refsource_OSVDB |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://lists.apple.com/archives/security-announce… | vendor-advisoryx_refsource_APPLE |
| http://support.apple.com/kb/HT4999 | x_refsource_CONFIRM |
| http://support.apple.com/kb/HT5001 | x_refsource_CONFIRM |
| http://lists.apple.com/archives/Security-announce… | vendor-advisoryx_refsource_APPLE |
Date Public
2011-10-12 00:00
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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate."
},
{
"lang": "es",
"value": "El componente Data Security en Apple iOS anterior a v5 y Apple TV anterior a v4.4 no restringe correctamente el uso del algoritmo de hash MD5 en los certificados X.509, lo que hace que sea m\u00e1s f\u00e1cil para atacante de \"hombre en medio\" falsificar servidores u obtener informaci\u00f3n sensible a trav\u00e9s de un certificado especialmente dise\u00f1ado."
}
],
"id": "CVE-2011-3427",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2011-10-14T10:55:10.683",
"references": [
{
"source": "product-security@apple.com",
"tags": [
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],
"url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html"
},
{
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"tags": [
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"url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00002.html"
},
{
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"url": "http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html"
},
{
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},
{
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"tags": [
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},
{
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"tags": [
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],
"url": "http://support.apple.com/kb/HT5001"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70547"
},
{
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},
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{
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},
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],
"url": "http://support.apple.com/kb/HT5001"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70547"
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],
"sourceIdentifier": "product-security@apple.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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