PT-2021-18908 · Apple · Macos Big Sur+1

Peter Nguyen Vu Hoang · Published 2021-09-13 · Updated 2021-10-22 · CVE-2021-30845

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions prior to 11.6

Description An out-of-bounds read issue was addressed with improved bounds checking, which may allow a local user to read kernel memory.

Recommendations For macOS Big Sur versions prior to 11.6, update to macOS Big Sur 11.6 to resolve the issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-30845

Affected Products

Apple Macos

Macos Big Sur

References · 6

• https://osv.dev/vulnerability/CVE-2021-30845 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30845 · Security Note
• https://support.apple.com/en-us/HT212804 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30845 · Note
• https://t.me/cibsecurity/30782 · Telegram Post
• https://support.apple.com/en-us/103147 · Note