PT-2021-13573 · Apple · Macos Mojave+7

Xingwei Lin · Published 2021-02-01 · Updated 2021-04-09 · CVE-2021-1785

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 11.2 Security Update versions prior to 2021-001 Catalina Security Update versions prior to 2021-001 Mojave watchOS versions prior to 7.3 tvOS versions prior to 14.4 iOS versions prior to 14.4 iPadOS versions prior to 14.4

Description: An out-of-bounds read issue was addressed through improved input validation. Processing a maliciously crafted image may lead to arbitrary code execution.

Recommendations: For macOS Big Sur, update to version 11.2 or later. For macOS Catalina, apply Security Update 2021-001 or later. For macOS Mojave, apply Security Update 2021-001 or later. For watchOS, update to version 7.3 or later. For tvOS, update to version 14.4 or later. For iOS, update to version 14.4 or later. For iPadOS, update to version 14.4 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1785

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Mojave

Tvos

Watchos

References · 9

• https://osv.dev/vulnerability/CVE-2021-1785 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1785 · Security Note
• https://support.apple.com/en-us/HT212148 · Vendor Advisory
• https://support.apple.com/en-us/HT212147 · Vendor Advisory
• https://support.apple.com/en-us/HT212149 · Vendor Advisory
• https://support.apple.com/en-us/HT212146 · Vendor Advisory
• https://support.apple.com/en-us/103124 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1785 · Note
• https://t.me/cvenotify/12553 · Telegram Post