PT-2021-18925 · Apple · Macos Catalina+2

Zweig · Published 2021-08-24 · Updated 2021-11-01 · CVE-2021-30865

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 prior to 11.6 macOS Catalina versions prior to Security Update 2021-005

Description An out-of-bounds read issue was addressed through improved input validation. A malicious application may be able to execute arbitrary code with kernel privileges.

Recommendations For macOS Big Sur versions prior to 11.6, update to macOS Big Sur 11.6. For macOS Catalina versions prior to Security Update 2021-005, apply Security Update 2021-005.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-30865

Affected Products

Apple Macos

Macos Big Sur

Macos Catalina

References · 6

• https://osv.dev/vulnerability/CVE-2021-30865 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30865 · Security Note
• https://support.apple.com/en-us/HT212804 · Note
• https://support.apple.com/en-us/HT212805 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30865 · Note
• https://support.apple.com/en-us/103147 · Note