CVE-2021-30939
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
47.5%
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.
| Vendor | Product | Version | CPE |
|---|---|---|---|
| apple | watchos | * | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| apple | iphone_os | * | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | ipad_os | * | cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
References
support.apple.com/en-us/HT212975
support.apple.com/en-us/HT212976
support.apple.com/en-us/HT212978
support.apple.com/en-us/HT212979
support.apple.com/en-us/HT212980
support.apple.com/en-us/HT212981
www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
www.zerodayinitiative.com/advisories/ZDI-22-359/
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
47.5%