CVE-2020-27950

A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.

CVSS v3 5.5 MEDIUM
CVSS v2.0 7.1 HIGH

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

7.1^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.6 / Impact : 6.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html	Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2020/Dec/32	Mailing List Third Party Advisory
https://support.apple.com/en-us/HT211928	Vendor Advisory
https://support.apple.com/en-us/HT211929	Vendor Advisory
https://support.apple.com/en-us/HT211931	Vendor Advisory
https://support.apple.com/en-us/HT211940	Vendor Advisory
https://support.apple.com/en-us/HT211944	Vendor Advisory
https://support.apple.com/en-us/HT211945	Vendor Advisory
https://support.apple.com/en-us/HT211946	Vendor Advisory
https://support.apple.com/en-us/HT211947	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:watchos::::::::
	cpe:2.3:o:apple:watchos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

No history.

Information

Published : 2020-12-08 21:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-27950

Mitre link : CVE-2020-27950

CVE.ORG link : CVE-2020-27950

JSON object : View

Products Affected

apple

watchos
ipados
macos
iphone_os

CWE

CWE-665

Improper Initialization

{"id": "CVE-2020-27950", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.1, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "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": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-12-08T21:15:13.967", "references": [{"url": "http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "product-security@apple.com"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/32", "tags": ["Mailing List", "Third Party Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211928", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211929", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211931", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211940", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211944", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211945", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211946", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT211947", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-665"}]}], "descriptions": [{"lang": "en", "value": "A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory."}, {"lang": "es", "value": "Se abord\u00f3 un problema de inicializaci\u00f3n de la memoria. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.0.1, watchOS versi\u00f3n 7.1, iOS versi\u00f3n 12.4.9, watchOS versi\u00f3n 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS versi\u00f3n 14.2 y iPadOS versi\u00f3n 14.2, watchOS versi\u00f3n 5.3.9, macOS Catalina versi\u00f3n 10.15.7 Supplemental Update, macOS Catalina versi\u00f3n 10.15.7 Update. Una aplicaci\u00f3n maliciosa puede ser capaz de revelar la memoria del kernel"}], "lastModified": "2021-02-11T19:50:01.923", "cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8768B67A-43ED-4726-A99F-A0A57A9A2CEC", "versionEndExcluding": "14.2"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "778712BB-D27F-4B41-9B79-7C896B7B1E08", "versionEndExcluding": "12.4.9"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1DAFF28B-980D-4D09-BD3B-FC3F14B4BA49", "versionEndExcluding": "14.2", "versionStartIncluding": "14.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BD2A211-4E62-40BF-9BA0-5239FA6F0AF8", "versionEndExcluding": "10.15.7"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76BFC9D4-7D15-4C23-A54A-3F5A0B8BC542", "versionEndExcluding": "11.0.1", "versionStartIncluding": "11.0"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9007C2C-CE11-4D30-9BE1-7FD4B2687B41", "versionEndExcluding": "5.3.9"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0199758F-1C5B-4462-8F81-A9805147FC7D", "versionEndExcluding": "6.2.9", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3877CFE3-88D5-429F-87AA-69AA49A8C5DF", "versionEndExcluding": "7.1", "versionStartIncluding": "7.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Apple Multiple Products Memory Initialization Vulnerability"}