CVE-2021-30809

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

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

V2 Legend

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/HT212819	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212815	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212816	Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212814	Release Notes Vendor Advisory
https://support.apple.com/kb/HT212869	Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/12/20/6	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

Information

Published : 2021-10-28 12:15

Updated : 2021-12-21 12:05

NVD link : CVE-2021-30809

Mitre link : CVE-2021-30809

JSON object : View

CWE

CWE-416

Use After Free

Products Affected

apple

tvos
macos
safari
watchos
iphone_os
ipados

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.apple.com/en-us/HT212819", "name": "https://support.apple.com/en-us/HT212819", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/en-us/HT212815", "name": "https://support.apple.com/en-us/HT212815", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/en-us/HT212816", "name": "https://support.apple.com/en-us/HT212816", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/en-us/HT212814", "name": "https://support.apple.com/en-us/HT212814", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/kb/HT212869", "name": "https://support.apple.com/kb/HT212869", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2021/12/20/6", "name": "[oss-security] 20211220 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0007", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-416"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-30809", "ASSIGNER": "product-security@apple.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/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": 2.8}}, "publishedDate": "2021-10-28T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.0"}, {"cpe23Uri": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.0"}, {"cpe23Uri": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.0"}, {"cpe23Uri": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "12.0.1"}, {"cpe23Uri": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.0"}, {"cpe23Uri": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "8.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-12-21T20:05Z"}

8.8 /10