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Vulnerability
CVE-2021-30736
Published:
2021-09-08
Description:
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.
Type:
CWE-120
(Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
CVSS2
=> (AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Apple
->
Ipad os
Apple
->
Iphone os
Apple
->
Mac os
Apple
->
TVOS
Apple
->
Watchos
References:
https://support.apple.com/en-us/HT212529
https://support.apple.com/en-us/HT212528
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212533
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