PT-2020-6075 · Apple · Apple Macos+5

Published 2020-11-12 · Updated 2023-01-09 · CVE-2020-9991

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.0.1 watchOS versions prior to 7.0 iOS versions prior to 14.0 iPadOS versions prior to 14.0 iCloud for Windows versions prior to 7.21 tvOS versions prior to 14.0

Description This issue is related to errors in resource release, which may allow a remote attacker to cause a denial of service. The issue was addressed with improved checks.

Recommendations For macOS versions prior to 11.0.1, update to macOS Big Sur 11.0.1. For watchOS versions prior to 7.0, update to watchOS 7.0. For iOS versions prior to 14.0, update to iOS 14.0. For iPadOS versions prior to 14.0, update to iPadOS 14.0. For iCloud for Windows versions prior to 7.21, update to iCloud for Windows 7.21. For tvOS versions prior to 14.0, update to tvOS 14.0.

Fix

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

BDU:2021-02931

CVE-2020-9991

Affected Products

Apple Macos

Icloud For Windows

Ios

Ipados

Tvos

Watchos

References · 21

• https://support.apple.com/en-us/HT211847 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9991 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-9991 · Vendor Advisory
• https://support.apple.com/kb/HT211846 · Vendor Advisory
• https://support.apple.com/en-us/HT211843 · Vendor Advisory
• https://support.apple.com/en-us/HT211850 · Vendor Advisory
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-9991 · Vendor Advisory
• https://support.apple.com/en-us/HT211844 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-9991 · Security Note
• https://osv.dev/vulnerability/CVE-2020-9991 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02931 · Security Note
• https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E · Note
• https://rapid7.com/db/vulnerabilities/apple-osx-sqlite-cve-2020-9991 · Note
• http://seclists.org/fulldisclosure/2020/Dec/32 · Note