CVE-2021-1858 (GCVE-0-2021-1858)
Vulnerability from cvelistv5 – Published: 2021-09-08 14:45 – Updated: 2024-08-03 16:25
VLAI
EPSS
VEX
Summary
Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.
Severity
7.8 (High)
CWE
- An out-of-bounds write issue was addressed with improved bounds checking
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/HT212317 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212323 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212324 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212325 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212326 | x_refsource_MISC |
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Apple | iOS and iPadOS |
Affected:
unspecified , < 14.5
(custom)
|
guessed | |
| Apple | tvOS |
Affected:
unspecified , < 14.5
(custom)
|
guessed | |
| Apple | watchOS |
Affected:
unspecified , < 7.4
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 11.3
(custom)
|
guessed | |
| Apple | macOS |
Affected:
unspecified , < 2021
(custom)
|
guessed |
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"id": "CVE-2021-1858",
"lastModified": "2024-11-21T05:45:14.507",
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"published": "2021-09-08T15:15:11.507",
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"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-1858\",\"sourceIdentifier\":\"product-security@apple.com\",\"published\":\"2021-09-08T15:15:11.507\",\"lastModified\":\"2024-11-21T05:45:14.507\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.\"},{\"lang\":\"es\",\"value\":\"El procesamiento de una imagen maliciosamente dise\u00f1ada puede conllevar a una ejecuci\u00f3n de c\u00f3digo arbitrario. Este problema se corrigi\u00f3 en Security Update 2021-002 Catalina, iOS versi\u00f3n 14.5 e iPadOS versi\u00f3n 14.5, watchOS versi\u00f3n 7.4, tvOS versi\u00f3n 14.5, macOS Big Sur versi\u00f3n 11.3. Se abord\u00f3 un problema de escritura fuera de l\u00edmites con una comprobaci\u00f3n de l\u00edmites mejorada\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"14.5\",\"matchCriteriaId\":\"3EAAE2C1-EF21-4567-99F1-335D1EF955D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"14.5\",\"matchCriteriaId\":\"C1E12568-6F17-458F-8216-3D6DBC8F6DEE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"78393C67-1C42-4EFF-8390-55A253DF8A49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E84C04D5-681F-4E1B-B60D-CB2AEB33E709\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"68931DA7-9FDA-4F41-9876-B82A963C3979\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D8C065CE-3E74-43D8-94FF-0D0ACF6B7359\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87E02A82-3EF4-40FC-B1D4-25A7088D1B55\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FB0296C4-76CC-490D-A599-5DE75DCD29D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.4:beta4:*:*:*:*:*:*\",\"matchCriteriaId\":\"31EBDECC-7446-446E-AC35-87618B96BC27\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7BCF5B87-0AAD-4030-B439-B58990ED31DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"85D21088-00C3-401A-97EE-999424A39F0A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*\",\"matchCriteriaId\":\"CFE26ECC-A2C2-4501-9950-510DE0E1BD86\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*\",\"matchCriteriaId\":\"26108BEF-0847-4AB0-BD98-35344DFA7835\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*\",\"matchCriteriaId\":\"A369D48B-6A0A-47AE-9513-D5E2E6F30931\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*\",\"matchCriteriaId\":\"510F8317-94DA-498E-927A-83D5F41AF54A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D5D1970-6D2A-42CA-A203-42023D71730D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*\",\"matchCriteriaId\":\"C68AE52B-5139-40A4-AE9A-E752DBF07D1B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*\",\"matchCriteriaId\":\"0FD3467D-7679-479F-9C0B-A93F7CD0929D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4C6098E-EDBD-4A85-8282-B2E9D9333872\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*\",\"matchCriteriaId\":\"518BB47B-DD76-4E8C-9F10-7EBC1E146191\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*\",\"matchCriteriaId\":\"63940A55-D851-46EB-9668-D82BEFC1FE95\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*\",\"matchCriteriaId\":\"68C7A97A-3801-44FA-96CA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"redhat_vex": {
"current_release_date": "2026-03-27T15:05:08+00:00",
"cve": "CVE-2021-1858",
"id": "CVE-2021-1858",
"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-2021-1858",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-1858.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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