PT-2021-5998 · Apple · Watchos+7

Co0Py_Cat + 1 · Published 2021-05-24 · Updated 2021-09-17 · CVE-2021-30705

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 iOS versions prior to 14.6 iPadOS versions prior to 14.6 tvOS versions prior to 14.6 watchOS versions prior to 7.5 macOS Big Sur versions prior to 11.4 macOS Mojave versions prior to Security Update 2021-004 macOS Catalina versions prior to Security Update 2021-003

Description The issue is related to a buffer overflow in the ImageIO component, which can be exploited by processing a maliciously crafted ASTC file, potentially disclosing memory contents. This may allow an attacker to access confidential information using a specially crafted malicious ASTC file.

Recommendations 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 tvOS versions prior to 14.6, update to tvOS 14.6 or later. For watchOS versions prior to 7.5, update to watchOS 7.5 or later. For macOS Big Sur versions prior to 11.4, update to macOS Big Sur 11.4 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:2022-00555

CVE-2021-30705

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Mojave

Tvos

Watchos

References · 12

• https://support.apple.com/en-us/HT212531 · Vendor Advisory
• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30705 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00555 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-30705 · Security Note
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://support.apple.com/en-us/HT212530 · Vendor Advisory
• https://support.apple.com/en-us/HT212528 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021052504 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30705 · Note
• https://support.apple.com/en-us/103131 · Note