PT-2021-18960 · Apple · Tvos+7

Zweig · Published 2021-08-24 · Updated 2023-01-09 · CVE-2021-30909

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions iOS versions prior to 15.1 iPadOS versions prior to 15.1 macOS Monterey versions prior to 12.0.1 iOS versions prior to 14.8.1 iPadOS versions prior to 14.8.1 tvOS versions prior to 15.1 watchOS versions prior to 8.1 macOS Big Sur versions prior to 11.6.1 macOS Catalina versions prior to Security Update 2021-007

Description A memory corruption issue was addressed with improved memory handling, which may allow an application to execute arbitrary code with kernel privileges.

Recommendations For iOS versions prior to 15.1, update to iOS 15.1 or later. For iPadOS versions prior to 15.1, update to iPadOS 15.1 or later. For macOS Monterey versions prior to 12.0.1, update to macOS Monterey 12.0.1 or later. For iOS versions prior to 14.8.1, update to iOS 14.8.1 or later. For iPadOS versions prior to 14.8.1, update to iPadOS 14.8.1 or later. For tvOS versions prior to 15.1, update to tvOS 15.1 or later. For watchOS versions prior to 8.1, update to watchOS 8.1 or later. For macOS Big Sur versions prior to 11.6.1, update to macOS Big Sur 11.6.1 or later. For macOS Catalina versions prior to Security Update 2021-007, apply Security Update 2021-007 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30909

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Monterey

Tvos

Watchos

References · 13

• https://osv.dev/vulnerability/CVE-2021-30909 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30909 · Security Note
• https://support.apple.com/en-us/HT212874 · Note
• https://support.apple.com/en-us/103236 · Note
• https://support.apple.com/en-us/HT212868 · Note
• https://support.apple.com/en-us/HT212869 · Note
• https://support.apple.com/en-us/103164 · Note
• https://support.apple.com/en-us/HT212872 · Note
• https://t.me/ckure/10518 · Telegram Post
• https://support.apple.com/en-us/HT212871 · Note
• https://support.apple.com/en-us/HT212867 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30909 · Note
• https://support.apple.com/en-us/HT212876 · Note