PT-2021-6012 · Apple · Watchos+7

Published 2021-05-24 · Updated 2021-09-17 · CVE-2021-30703

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions tvOS versions prior to 14.6 iOS versions prior to 14.6 iPadOS versions prior to 14.6 watchOS versions prior to 7.5 macOS Big Sur versions prior to 11.4 macOS Catalina versions prior to Security Update 2021-004 macOS Mojave versions prior to Security Update 2021-005

Description The issue is related to a double free problem, which can be exploited to execute arbitrary code with kernel privileges. This can allow an attacker to gain elevated access to the system.

Recommendations For tvOS versions prior to 14.6, update to tvOS 14.6. For iOS versions prior to 14.6, update to iOS 14.6. For iPadOS versions prior to 14.6, update to iPadOS 14.6. For watchOS versions prior to 7.5, update to watchOS 7.5. For macOS Big Sur versions prior to 11.4, update to macOS Big Sur 11.4. For macOS Catalina versions prior to Security Update 2021-004, apply Security Update 2021-004. For macOS Mojave versions prior to Security Update 2021-005, apply Security Update 2021-005.

Fix

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2022-00574

CVE-2021-30703

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Mojave

Tvos

Watchos

References · 11

• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://support.apple.com/en-us/HT212603 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00574 · Security Note
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30703 · Security Note
• https://support.apple.com/en-us/HT212600 · Vendor Advisory
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30703 · Vendor Advisory
• https://support.apple.com/en-us/HT212528 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30703 · Note
• https://support.apple.com/en-us/103131 · Note