PT-2020-6113 · Apple+9 · Safari+17

Liu Long · Published 2020-11-05 · Updated 2024-06-15 · CVE-2020-27918

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 macOS versions prior to 11.0.1 watchOS versions prior to 7.1 iOS versions prior to 14.2 iPadOS versions prior to 14.2 iCloud for Windows versions prior to 11.5 Safari versions prior to 14.0.1 tvOS versions prior to 14.2 iTunes for Windows versions prior to 12.11

Description The issue is related to a use after free problem, which can be exploited by processing maliciously crafted web content, potentially leading to arbitrary code execution.

Recommendations For macOS versions prior to 11.0.1, update to macOS Big Sur 11.0.1 or later. For watchOS versions prior to 7.1, update to watchOS 7.1 or later. For iOS versions prior to 14.2, update to iOS 14.2 or later. For iPadOS versions prior to 14.2, update to iPadOS 14.2 or later. For iCloud for Windows versions prior to 11.5, update to iCloud for Windows 11.5 or later. For Safari versions prior to 14.0.1, update to Safari 14.0.1 or later. For tvOS versions prior to 14.2, update to tvOS 14.2 or later. For iTunes for Windows versions prior to 12.11, update to iTunes 12.11 or later.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2021:4381

ALT-PU-2021-1527

BDU:2021-03043

CESA-2021_4381

CVE-2020-27918

DSA-4877-1

MGASA-2021-0181

OPENSUSE-SU-2021:0637-1

OPENSUSE-SU-2021_0637-1

OPENSUSE-SU-2022:0182-1

OPENSUSE-SU-2022_0182-1

OPENSUSE-SU-2022_0182-2

OPENSUSE-SU-2024:11506-1

RHSA-2021:4381

RHSA-2021_4381

RHSA-2025:10364

RLSA-2021:4381

SUSE-SU-2021:1430-1

SUSE-SU-2021:1499-1

SUSE-SU-2021:1990-1

SUSE-SU-2022:0142-1

SUSE-SU-2022:0182-1

SUSE-SU-2022:0182-2

SUSE-SU-2022:0183-1

USN-4894-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Safari

Suse

Ubuntu

Icloud For Windows

Ios

Ipados

Itunes

Itunes For Windows

Tvos

Watchos

References · 358

• https://osv.dev/vulnerability/DSA-4877-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27918 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0182-2 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2021:4381 · Vendor Advisory
• https://support.apple.com/en-us/HT211933 · Vendor Advisory
• https://security.gentoo.org/glsa/202104-03 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27918 · Security Note
• https://debian.org/security/2021/dsa-4877 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2021-4381.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-4381.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-29623 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03043 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory