PT-2020-16845 · Apple · Macos Mojave+3

Abc Research S.R.O + 1 · Published 2020-11-12 · Updated 2021-04-07 · CVE-2020-27907

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions 11.0 through 11.0.1 macOS Big Sur version 11.1 Security Update 2020-001 Catalina Security Update 2020-007 Mojave

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

Recommendations For macOS Big Sur versions 11.0 through 11.0.1, update to macOS Big Sur 11.1 or later. For macOS Big Sur version 11.1, no further action is required as the issue is already fixed. For Security Update 2020-001 Catalina, apply the security update to resolve the issue. For Security Update 2020-007 Mojave, apply the security update to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-27907

ZDI-20-1407

Affected Products

Apple Macos

Macos Big Sur

Macos Catalina

Macos Mojave

References · 9

• https://zerodayinitiative.com/advisories/ZDI-20-1407 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://support.apple.com/en-us/HT212011 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27907 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27907 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27907 · Note
• https://support.apple.com/en-us/102846 · Note
• https://t.me/cvenotify/12845 · Telegram Post
• https://support.apple.com/en-us/103052 · Note