Use-after-free in Apple iOS and iPadOS - CVE-2022-22620

Vulnerability identifier: #VU60520

CSH Severity: Critical

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-22620

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Apple iOS
iPadOS
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
macOS
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
Fedora
WPE WebKit
WebKitGTK+
webkit2gtk (Debian package)
wpewebkit (Debian package)
webkit2gtk3-jsc-devel
webkit2gtk3-devel
webkit2gtk3
webkit2gtk3-jsc
webkit2gtk3 (Red Hat package)
libwebkit2gtk3-lang
webkit2gtk3-debugsource
webkit2gtk-4_0-injected-bundles-debuginfo
webkit2gtk-4_0-injected-bundles
typelib-1_0-WebKit2-4_0
typelib-1_0-JavaScriptCore-4_0
libwebkit2gtk-4_0-37-debuginfo
libwebkit2gtk-4_0-37
libjavascriptcoregtk-4_0-18
libjavascriptcoregtk-4_0-18-debuginfo
typelib-1_0-WebKit2WebExtension-4_0
net-libs/webkit-gtk
webkitgtk4 (Red Hat package)
Apple Safari

Install updates from vendor's website.

Apple iOS - update to 15.3.1 19D52
iPadOS - update to 15.3.1 19D52
WPE WebKit - update to 2.34.6
WebKitGTK+ - update to 2.34.6
webkit2gtk (Debian package) - addressed in versions 2.34.6-1~deb10u1, 2.34.6-1~deb11u1
wpewebkit (Debian package) - update to 2.34.6-1~deb11u1
macOS - update to 12.2.1 21D62
Apple Safari - addressed in versions 15.3 15612.4.9.1.8, 15.3 16612.4.9.1.8
webkit2gtk3-jsc-devel - update to 2.34.6-1
webkit2gtk3-devel - update to 2.34.6-1
webkit2gtk3 - update to 2.34.6-1
webkit2gtk3-jsc - update to 2.34.6-1
webkit2gtk3 (Red Hat package) - update to 2.34.6-1.el8
webkit2gtk3 - addressed in versions 2.34.6-1.fc34, 2.34.6-1.fc35
libwebkit2gtk3-lang - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk3-devel - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk3-debugsource - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk-4_0-injected-bundles - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-WebKit2-4_0 - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
libwebkit2gtk-4_0-37 - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
libjavascriptcoregtk-4_0-18 - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.34.6-3.97.1, 2.34.6-29.1
net-libs/webkit-gtk - update to 2.36.7
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9

• Exploit #8603 - dkjiayu.github.io (POC for cve-2022-22620) (November 13, 2022)
• Exploit #8228 - CVE-2022-22620 (Webkit (Safari) - Exploit) (August 8, 2022)
• Exploit #8039 - CVE-2022-22620 (CVE-2022-22620: Use-after-free in Safari) (June 15, 2022)

• https://support.apple.com/en-us/HT213093

• Remote code execution in Apple iOS and iPadOS
• Remote code execution in macOS Monterey
• Remote code execution in Apple Safari
• Remote code execution in WebKitGTK and WPE WebKit
• Debian update for webkit2gtk
• Debian update for wpewebkit
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Gentoo update for WebKitGTK+
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• Fedora 35 update for webkit2gtk3
• Fedora 34 update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4