Vulnerability CVE-2021-30663


Published: 2021-09-08

Description:
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Type:

CWE-190

(Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Apple -> Macos 
Apple -> Safari 
Apple -> Ipados 
Apple -> Iphone os 
Apple -> TVOS 

 References:
https://support.apple.com/en-us/HT212341
https://support.apple.com/en-us/HT212534
https://support.apple.com/en-us/HT212336
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212335

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