PT-2021-18875 · Apple · Ios+2

Published 2021-07-21 · Updated 2022-02-11 · CVE-2021-30792

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.7 macOS Big Sur versions prior to 11.5

Description An out-of-bounds write issue was addressed with improved input validation. Processing a maliciously crafted image may lead to arbitrary code execution.

Recommendations For iOS versions prior to 14.7, update to iOS 14.7 to resolve the issue. For macOS Big Sur versions prior to 11.5, update to macOS Big Sur 11.5 to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30792

ZDI-21-947

Affected Products

Apple Macos

Ios

Macos Big Sur

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-30792 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30792 · Vendor Advisory
• https://support.apple.com/kb/HT212603 · Vendor Advisory
• https://support.apple.com/en-us/HT212601 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-947 · Security Note
• https://support.apple.com/kb/HT212600 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://support.apple.com/en-us/102849 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30792 · Note
• https://t.me/cvenotify/21222 · Telegram Post