PT-2021-13577 · Apple · Apple Macos+4

Junzhi Lu + 1 · Published 2021-02-01 · Updated 2021-04-09 · CVE-2021-1792

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: macOS 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: The issue is related to an out-of-bounds read that was addressed with improved bounds checking. A remote attacker may be able to cause arbitrary code execution.

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

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1792

ZDI-21-148

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 9

• https://zerodayinitiative.com/advisories/ZDI-21-148 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1792 · Vendor Advisory
• 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://nvd.nist.gov/vuln/detail/CVE-2021-1792 · Security Note
• https://support.apple.com/en-us/103124 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1792 · Note