PT-2021-18939 · Apple · Tvos+7

Huangshaomang + 2 · Published 2021-08-24 · Updated 2023-01-09 · CVE-2021-30881

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Apple iOS versions prior to 15.1 Apple iPadOS versions prior to 15.1 Apple macOS versions prior to 12.0.1 Apple tvOS versions prior to 15.1 Apple watchOS versions prior to 8.1 Apple macOS Catalina versions prior to Security Update 2021-007 Apple macOS Big Sur versions prior to 11.6.1

Description An input validation issue was addressed with improved memory handling. Unpacking a maliciously crafted archive may lead to arbitrary code execution.

Recommendations For iOS versions prior to 15.1, update to iOS 15.1 or later. For iPadOS versions prior to 15.1, update to iPadOS 15.1 or later. For macOS Monterey versions prior to 12.0.1, update to macOS Monterey 12.0.1 or later. For tvOS versions prior to 15.1, update to tvOS 15.1 or later. For watchOS versions prior to 8.1, update to watchOS 8.1 or later. For macOS Catalina, apply Security Update 2021-007 or later. For macOS Big Sur versions prior to 11.6.1, update to macOS Big Sur 11.6.1 or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-30881

Affected Products

Apple Macos

Ios

Ipados

Macos Big Sur

Macos Catalina

Macos Monterey

Tvos

Watchos

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2021-30881 · Security Note
• https://osv.dev/vulnerability/CVE-2021-30881 · Vendor Advisory
• https://support.apple.com/en-us/HT212874 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30881 · Note
• https://support.apple.com/en-us/103236 · Note
• https://support.apple.com/en-us/103164 · Note
• https://support.apple.com/en-us/HT212872 · Note
• https://support.apple.com/en-us/HT212876 · Note
• https://support.apple.com/en-us/HT212871 · Note
• https://support.apple.com/en-us/HT212867 · Note
• https://support.apple.com/en-us/HT212869 · Note