PT-2021-5228 · Apple+7 · Watchos+13

Amar Menezes · Published 2021-09-20 · Updated 2022-07-01 · CVE-2021-30818

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 14.8 iPadOS versions prior to 14.8 tvOS versions prior to 15 watchOS versions prior to 8 Safari versions prior to 15

Description A type confusion issue was addressed with improved state handling. Processing maliciously crafted web content may lead to arbitrary code execution. This issue is related to errors in data type mixing in the WPE WebKit browser module for Safari in iOS, iPadOS, tvOS, watchOS, and macOS operating systems. Exploitation of this issue may allow a remote attacker to execute arbitrary code.

Recommendations For iOS versions prior to 14.8, update to iOS 14.8 or later. For iPadOS versions prior to 14.8, update to iPadOS 14.8 or later. For tvOS versions prior to 15, update to tvOS 15 or later. For watchOS versions prior to 8, update to watchOS 8 or later. For Safari versions prior to 15, update to Safari 15 or later.

Exploit

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

ALSA-2022:1777

ALT-PU-2021-3571

ALT-PU-2022-2162

BDU:2021-06030

CESA-2022_1777

CVE-2021-30818

DSA-4995-1

DSA-4996-1

OPENSUSE-SU-2022:0182-1

OPENSUSE-SU-2022_0182-1

OPENSUSE-SU-2022_0182-2

RHSA-2022:1777

RHSA-2022_1777

RHSA-2025:10364

RLSA-2022:1777

SUSE-SU-2022:0142-1

SUSE-SU-2022:0182-1

SUSE-SU-2022:0182-2

SUSE-SU-2022:0183-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Apple Macos

Red Hat

Rocky Linux

Safari

Suse

Webkit

Ios

Ipados

Tvos

Watchos

References · 185

• 🔥 https://github.com/springsec/CVE-2022-22620 · Exploit
• 🔥 https://github.com/kmeps4/CVE-2022-22620 · Exploit
• 🔥❌ https://github.com/PeterMxx/ps4_8.00_vuln_poc · Exploit, Deleted
• https://bdu.fstec.ru/vul/2021-06030 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-30818 · Security Note
• https://linux.oracle.com/errata/ELSA-2022-1777.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:1777 · Vendor Advisory
• https://support.apple.com/kb/HT212869 · Vendor Advisory
• https://support.apple.com/en-us/HT212814 · Vendor Advisory
• https://support.apple.com/en-us/HT212815 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17 · Vendor Advisory
• https://support.apple.com/en-us/HT212807 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30818 · Vendor Advisory
• https://support.apple.com/en-us/HT212816 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30818 · Vendor Advisory