Vulnerability CVE-2021-30737
Published: 2021-09-08

Description:
A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.

Type:

CWE-787

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 -> Ipad os 
Apple -> Iphone os 
Apple -> Mac os 
Apple -> Mac os x 
Apple -> TVOS 
Apple -> Watchos 

 References:
https://support.apple.com/en-us/HT212530
https://support.apple.com/en-us/HT212531
https://support.apple.com/en-us/HT212529
https://support.apple.com/en-us/HT212528
https://support.apple.com/en-us/HT212548
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212533
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