CVE-2021-30905 (GCVE-0-2021-30905)
Vulnerability from cvelistv5 – Published: 2021-08-24 18:50 – Updated: 2024-08-03 22:48
VLAI
EPSS
VEX
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina. Processing a maliciously crafted file may disclose user information.
Severity
5.5 (Medium)
CWE
- Processing a maliciously crafted file may disclose user information
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://support.apple.com/kb/HT212807 | x_refsource_CONFIRM |
| https://support.apple.com/kb/HT212872 | x_refsource_CONFIRM |
| https://support.apple.com/en-us/HT212869 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212871 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212867 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212874 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212876 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apple | iOS and iPadOS |
Affected:
unspecified , < 15.1
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 12.0
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 2021
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 8.1
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 15.1
(custom)
|
guessed |
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"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*",
"matchCriteriaId": "3456176F-9185-4EE2-A8CE-3D989D674AB7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*",
"matchCriteriaId": "D337EE21-2F00-484D-9285-F2B0248D7A19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*",
"matchCriteriaId": "012052B5-9AA7-4FD3-9C80-5F615330039D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
"matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AA9BFC9C-A4FE-4CE2-8DE8-0782082EEDE6",
"versionEndExcluding": "11.6.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:macos:12.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "255504D8-BE6E-4378-AB81-C65970EB6408",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9A76BB8B-613D-46B7-80F8-83B6EF76F344",
"versionEndExcluding": "15.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A82F66E5-A6BF-4D7A-8DCA-DD4C35723936",
"versionEndExcluding": "8.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina. Processing a maliciously crafted file may disclose user information."
},
{
"lang": "es",
"value": "Se abord\u00f3 una lectura fuera de l\u00edmites con una comprobaci\u00f3n de l\u00edmites mejorada. Este problema se corrigi\u00f3 en iOS versi\u00f3n 15.1 y iPadOS versi\u00f3n 15.1, macOS Monterey versi\u00f3n 12.0.1, tvOS versi\u00f3n 15.1, watchOS versi\u00f3n 8.1, Security Update 2021-007 Catalina. El procesamiento de un archivo maliciosamente dise\u00f1ado puede revelar informaci\u00f3n del usuario"
}
],
"id": "CVE-2021-30905",
"lastModified": "2024-11-21T06:04:56.230",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-08-24T19:15:18.700",
"references": [
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/HT212867"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/HT212869"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/HT212871"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/HT212874"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/en-us/HT212876"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/kb/HT212807"
},
{
"source": "product-security@apple.com",
"url": "https://support.apple.com/kb/HT212872"
},
{
"source": "product-security@apple.com",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1368/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/en-us/HT212867"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/en-us/HT212869"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/en-us/HT212871"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/en-us/HT212874"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/en-us/HT212876"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/kb/HT212807"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.apple.com/kb/HT212872"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1368/"
}
],
"sourceIdentifier": "product-security@apple.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T14:10:19+00:00",
"cve": "CVE-2021-30905",
"id": "CVE-2021-30905",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-30905",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-30905.json",
"version": "3"
}
}
}
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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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