PT-2021-18791 · Apple · Tvos+5

Jundong Xie · Published 2021-04-26 · Updated 2021-09-17 · CVE-2021-30664

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 macOS Big Sur versions prior to 11.3 iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 tvOS versions prior to 14.5

Description An out-of-bounds write issue was addressed with improved bounds checking. Processing a maliciously crafted file may lead to arbitrary code execution.

Recommendations For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3. For iOS versions prior to 14.5, update to iOS 14.5. For iPadOS versions prior to 14.5, update to iPadOS 14.5. For watchOS versions prior to 7.4, update to watchOS 7.4. For tvOS versions prior to 14.5, update to tvOS 14.5.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30664

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Tvos

Watchos

References · 10

• https://support.apple.com/en-us/HT212317 · Vendor Advisory
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30664 · Vendor Advisory
• https://support.apple.com/en-us/HT212323 · Vendor Advisory
• https://support.apple.com/en-us/HT212324 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30664 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30664 · Note
• https://t.me/cvenotify/21079 · Telegram Post
• https://support.apple.com/en-us/103126 · Note
• https://t.me/cibsecurity/28448 · Telegram Post