PT-2021-18883 · Apple · Apple Macos

Published 2021-07-21 · Updated 2021-09-16 · CVE-2021-30805

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions macOS versions prior to Big Sur 11.5 Security Update versions prior to 2021-004 Catalina Security Update versions prior to 2021-005 Mojave

Description A memory corruption issue was addressed with improved input validation, allowing an application to potentially execute arbitrary code with kernel privileges.

Recommendations For macOS versions prior to Big Sur 11.5, update to macOS Big Sur 11.5. For Security Update versions prior to 2021-004 Catalina, apply Security Update 2021-004 Catalina. For Security Update versions prior to 2021-005 Mojave, apply Security Update 2021-005 Mojave.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-30805

Affected Products

Apple Macos

References · 8

• https://support.apple.com/en-us/HT212603 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30805 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30805 · Vendor Advisory
• https://support.apple.com/en-us/HT212600 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30805 · Note
• https://t.me/cibsecurity/28457 · Telegram Post
• https://support.apple.com/en-us/102849 · Note