PT-2021-18910 · Apple · Security Update+7

Mike Zhang · Published 2021-09-13 · Updated 2021-11-30 · CVE-2021-30847

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions watchOS versions prior to 8 macOS Big Sur versions prior to 11.6 Security Update versions prior to 2021-005 Catalina tvOS versions prior to 15 iOS versions prior to 15 iPadOS versions prior to 15 iTunes versions prior to 12.12 for Windows

Description This issue was addressed with improved checks. Processing a maliciously crafted image may lead to arbitrary code execution.

Recommendations For watchOS versions prior to 8, update to watchOS 8. For macOS Big Sur versions prior to 11.6, update to macOS Big Sur 11.6. For Security Update versions prior to 2021-005 Catalina, apply Security Update 2021-005 Catalina. For tvOS versions prior to 15, update to tvOS 15. For iOS versions prior to 15, update to iOS 15. For iPadOS versions prior to 15, update to iPadOS 15. For iTunes versions prior to 12.12 for Windows, update to iTunes 12.12 for Windows.

Fix

Related Identifiers

CVE-2021-30847

Affected Products

Apple Macos

Security Update

Ios

Ipados

Itunes

Macos Big Sur

Tvos

Watchos

References · 18

• https://support.apple.com/en-us/HT212804 · Vendor Advisory
• https://support.apple.com/en-us/HT212814 · Vendor Advisory
• https://support.apple.com/en-us/HT212819 · Vendor Advisory
• https://support.apple.com/en-us/HT212817 · Vendor Advisory
• https://support.apple.com/en-us/HT212815 · Vendor Advisory
• https://support.apple.com/en-us/HT212805 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30847 · Security Note
• https://support.apple.com/kb/HT212953 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30847 · Vendor Advisory
• http://seclists.org/fulldisclosure/2021/Oct/61 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30847 · Note
• https://support.apple.com/kb/HT212807 · Note
• https://t.me/cibsecurity/30781 · Telegram Post
• https://t.me/cvenotify/23987 · Telegram Post
• https://support.apple.com/en-us/103147 · Note