CVE-2021-30737

high

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.

References

https://support.apple.com/en-us/HT212548

https://support.apple.com/en-us/HT212533

https://support.apple.com/en-us/HT212532

https://support.apple.com/en-us/HT212531

https://support.apple.com/en-us/HT212530

https://support.apple.com/en-us/HT212529

https://support.apple.com/en-us/HT212528

Details

Source: Mitre, NVD

Published: 2021-09-08

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High