PT-2021-5454 · Apple · Ipados+4

Ian Beer · Published 2021-05-24 · Updated 2023-01-09 · CVE-2021-30736

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 versions prior to 11.4 tvOS versions prior to 14.6 watchOS versions prior to 7.5 iOS versions prior to 14.6 iPadOS versions prior to 14.6

Description The issue is related to a buffer overflow in the kernel of the operating systems, which can allow an attacker to elevate their privileges. This can potentially enable an application to execute arbitrary code with kernel privileges.

Recommendations For macOS versions prior to 11.4, update to macOS Big Sur 11.4 to resolve the issue. For tvOS versions prior to 14.6, update to tvOS 14.6 to resolve the issue. For watchOS versions prior to 7.5, update to watchOS 7.5 to resolve the issue. For iOS versions prior to 14.6, update to iOS 14.6 to resolve the issue. For iPadOS versions prior to 14.6, update to iPadOS 14.6 to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2021-06298

CVE-2021-30736

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 10

• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30736 · Security Note
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30736 · Vendor Advisory
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06298 · Security Note
• https://support.apple.com/en-us/HT212528 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021052503 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30736 · Note
• https://support.apple.com/en-us/103131 · Note