PT-2021-5439 · Apple · Watchos+4

Hjy79425575 + 1 · Published 2021-05-24 · Updated 2021-09-17 · CVE-2021-30687

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Apple tvOS versions prior to 14.6 Apple iOS versions prior to 14.6 Apple iPadOS versions prior to 14.6 Apple macOS versions prior to 11.4 Apple watchOS versions prior to 7.5 Apple macOS Mojave versions prior to Security Update 2021-004 Apple macOS Catalina versions prior to Security Update 2021-003

Description The issue is related to an out-of-bounds read in the ImageIO component, which can be exploited by processing a maliciously crafted image, potentially leading to the disclosure of user information.

Recommendations For tvOS versions prior to 14.6, update to tvOS 14.6 or later. For iOS versions prior to 14.6, update to iOS 14.6 or later. For iPadOS versions prior to 14.6, update to iPadOS 14.6 or later. For macOS Big Sur versions prior to 11.4, update to macOS Big Sur 11.4 or later. For watchOS versions prior to 7.5, update to watchOS 7.5 or later. For macOS Mojave versions prior to Security Update 2021-004, apply Security Update 2021-004 or later. For macOS Catalina versions prior to Security Update 2021-003, apply Security Update 2021-003 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2021-06283

CVE-2021-30687

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 12

• https://support.apple.com/en-us/HT212531 · Vendor Advisory
• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30687 · Vendor Advisory
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30687 · Security Note
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06283 · Security Note
• https://support.apple.com/en-us/HT212530 · Vendor Advisory
• https://support.apple.com/en-us/HT212528 · Vendor Advisory
• https://t.me/cibsecurity/28456 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30687 · Note
• https://support.apple.com/en-us/103131 · Note