PT-2021-13553 · Apple · Macos Mojave+5

Mickey Jin · Published 2021-02-01 · Updated 2021-09-15 · CVE-2021-1762

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 14.4 Apple iPadOS versions prior to 14.4 Apple macOS Big Sur versions prior to 11.2 Apple macOS Catalina versions prior to Security Update 2021-001 Apple macOS Mojave versions prior to Security Update 2021-001

Description: An out-of-bounds write issue was addressed with improved input validation. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Recommendations: For Apple iOS versions prior to 14.4, update to iOS 14.4 or later. For Apple iPadOS versions prior to 14.4, update to iPadOS 14.4 or later. For Apple macOS Big Sur versions prior to 11.2, update to macOS Big Sur 11.2 or later. For Apple macOS Catalina versions prior to Security Update 2021-001, apply Security Update 2021-001 or later. For Apple macOS Mojave versions prior to Security Update 2021-001, apply Security Update 2021-001 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-1762

ZDI-21-142

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Mojave

References · 8

• https://osv.dev/vulnerability/CVE-2021-1762 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-142 · Security Note
• https://support.apple.com/en-us/HT212147 · Vendor Advisory
• https://support.apple.com/en-us/HT212146 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1762 · Security Note
• https://t.me/cvenotify/20922 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1762 · Note
• https://support.apple.com/en-us/103124 · Note