PT-2021-6001 · Apple · Ipados+5

Jzhu · Published 2021-02-25 · Updated 2021-09-17 · CVE-2021-30706

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 macOS versions prior to 11.4 tvOS versions prior to 14.6 watchOS versions prior to 7.5 iOS versions prior to 14.6 iPadOS versions prior to 14.6

Description Processing a maliciously crafted image may lead to disclosure of user information. The issue is related to a buffer out-of-bounds read in the ImageIO component, which can be exploited by using a specially crafted WEBP file. This issue was addressed with improved checks.

Recommendations For macOS versions prior to 11.4, update to macOS Big Sur 11.4 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 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.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2022-00558

CVE-2021-30706

ZDI-21-892

ZDI-21-942

ZDI-21-943

Affected Products

Imageio

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 15

• https://zerodayinitiative.com/advisories/ZDI-21-942 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-943 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30706 · Vendor Advisory
• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00558 · Security Note
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30706 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-892 · Security Note
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://support.apple.com/en-us/HT212528 · Vendor Advisory
• https://t.me/cibsecurity/28443 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30706 · Note
• https://t.me/cvenotify/21081 · Telegram Post
• https://support.apple.com/en-us/103131 · Note
• https://cybersecurity-help.cz/vdb/SB2021072244 · Note