CVE-2020-3851

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT210919	Vendor Advisory
https://support.apple.com/en-us/HT211100	Vendor Advisory
https://support.apple.com/en-us/HT210919	Vendor Advisory
https://support.apple.com/en-us/HT211100	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:31

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT210919 - Vendor Advisory~~	() https://support.apple.com/en-us/HT210919 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT211100 - Vendor Advisory~~	() https://support.apple.com/en-us/HT211100 - Vendor Advisory

Information

Published : 2020-10-27 21:15

Updated : 2024-11-21 05:31

NVD link : CVE-2020-3851

Mitre link : CVE-2020-3851

CVE.ORG link : CVE-2020-3851

JSON object : View

Products Affected

apple

mac_os_x

CWE

CWE-416

Use After Free

{"id": "CVE-2020-3851", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-10-27T21:15:14.867", "references": [{"url": "https://support.apple.com/en-us/HT210919", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211100", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT210919", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://support.apple.com/en-us/HT211100", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to gain elevated privileges."}, {"lang": "es", "value": "Se abord\u00f3 un problema de uso de la memoria previamente liberada con una administraci\u00f3n de la memoria mejorada. Este problema se corrigi\u00f3 en macOS Catalina versi\u00f3n 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra, macOS Catalina versi\u00f3n 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. Una aplicaci\u00f3n puede ser capaz de alcanzar privilegios elevados"}], "lastModified": "2024-11-21T05:31:50.337", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4BEF72BD-3179-4946-8D92-81C4DB8CFEE5", "versionEndExcluding": "10.15.3", "versionStartIncluding": "10.15.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0114839E-DF89-4D2C-BD7B-2AD147BAD0F3", "versionEndExcluding": "10.15.4", "versionStartIncluding": "10.13.6"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}