PT-2021-13633 · Apple · Ios+3

Pattern_F + 2 · Published 2021-04-26 · Updated 2021-09-20 · CVE-2021-1867

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: iOS versions prior to 14.5 iPadOS versions prior to 14.5 macOS Big Sur versions prior to 11.3

Description: The issue involves an out-of-bounds read that has been addressed through improved input validation. A malicious application may be able to execute arbitrary code with kernel privileges.

Recommendations: For iOS versions prior to 14.5, update to iOS 14.5 or later. For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later. For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1867

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

References · 6

• https://support.apple.com/en-us/HT212317 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1867 · Vendor Advisory
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1867 · Security Note
• https://support.apple.com/en-us/103126 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1867 · Note