PT-2021-4728 · Apple · Watchos+5

Jiska Classen + 1 · Published 2021-04-26 · Updated 2021-09-16 · CVE-2021-1770

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/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 The issue is related to a buffer overflow due to a logic error, which may allow a remote attacker to execute arbitrary code. This can result in arbitrary code execution.

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

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2021-05434

CVE-2021-1770

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Tvos

Watchos

References · 9

• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1770 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1770 · Vendor Advisory
• https://support.apple.com/en-us/HT212323 · Vendor Advisory
• https://support.apple.com/en-us/HT212324 · Vendor Advisory
• https://support.apple.com/en-us/HT212317 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05434 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1770 · Note
• https://support.apple.com/en-us/103126 · Note