PT-2020-16864 · Apple · Apple Macos

Yu Wang · Published 2020-12-14 · Updated 2021-04-07 · CVE-2020-27936

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS versions prior to Big Sur 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave

Description An out-of-bounds read issue existed, leading to the disclosure of kernel memory. This issue was addressed with improved input validation. A local user may be able to cause unexpected system termination or read kernel memory.

Recommendations For macOS versions prior to Big Sur 11.1, update to macOS Big Sur 11.1 or later. For macOS Catalina, apply Security Update 2020-001. For macOS Mojave, apply Security Update 2020-007.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-27936

Affected Products

Apple Macos

References · 6

• https://osv.dev/vulnerability/CVE-2020-27936 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27936 · Security Note
• https://support.apple.com/en-us/HT212011 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27936 · Note
• https://t.me/cvenotify/12844 · Telegram Post
• https://support.apple.com/en-us/103052 · Note