PT-2021-18858 · Apple · Ios+3

Jundong Xie · Published 2021-07-21 · Updated 2021-09-15 · CVE-2021-30775

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 Apple iOS versions prior to 14.7 Apple macOS versions prior to Big Sur 11.5 Apple watchOS versions prior to 7.6 Apple tvOS versions prior to 14.7 Security Update versions prior to 2021-004 Catalina

Description A memory corruption issue was addressed with improved state management. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Recommendations For iOS versions prior to 14.7, update to iOS 14.7 or later. For macOS versions prior to Big Sur 11.5, update to macOS Big Sur 11.5 or later. For watchOS versions prior to 7.6, update to watchOS 7.6 or later. For tvOS versions prior to 14.7, update to tvOS 14.7 or later. For Security Update versions prior to 2021-004 Catalina, apply Security Update 2021-004 Catalina or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30775

Affected Products

Apple Macos

Ios

Tvos

Watchos

References · 9

• https://osv.dev/vulnerability/CVE-2021-30775 · Vendor Advisory
• https://support.apple.com/en-us/HT212601 · Vendor Advisory
• https://support.apple.com/en-us/HT212605 · Vendor Advisory
• https://support.apple.com/en-us/HT212600 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30775 · Security Note
• https://support.apple.com/en-us/HT212604 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30775 · Note
• https://support.apple.com/en-us/102849 · Note