Integer overflow in macOS - CVE-2021-30952

Vulnerability identifier: #VU58888

CSH Severity: High

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-2021-30952

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

macOS
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
HPE Helion Openstack
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
Anolis OS
watchOS
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
tvOS
iPadOS
Apple iOS
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
Ubuntu
Fedora
WPE WebKit
WebKitGTK+
webkit2gtk (Debian package)
wpewebkit (Debian package)
libjavascriptcoregtk-4.0-18 (Ubuntu package)
libwebkit2gtk-4.0-37 (Ubuntu package)
webkit2gtk3
webkit2gtk-4_0-injected-bundles
webkit2gtk-4_0-injected-bundles-debuginfo
webkit2gtk3-debugsource
webkit2gtk3-devel
libwebkit2gtk3-lang
typelib-1_0-WebKit2WebExtension-4_0
typelib-1_0-WebKit2-4_0
typelib-1_0-JavaScriptCore-4_0
libwebkit2gtk-4_0-37
libjavascriptcoregtk-4_0-18-debuginfo
libjavascriptcoregtk-4_0-18
libwebkit2gtk-4_0-37-debuginfo
webkit2gtk3-jsc-devel
webkit2gtk3-jsc
webkit2gtk3 (Red Hat package)
webkitgtk4 (Red Hat package)
Apple Safari

Install updates from vendor's website.

macOS - update to 12.1 21C52
WPE WebKit - update to 2.34.4
WebKitGTK+ - update to 2.34.4
webkit2gtk (Debian package) - addressed in versions 2.34.4-1~deb10u1, 2.34.4-1~deb11u1
wpewebkit (Debian package) - update to 2.34.4-1~deb11u1
watchOS - update to 8.3 19S55
Apple Safari - update to 15.2
tvOS - update to 15.2 19K53
iPadOS - update to 15.2 19C56
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57
libjavascriptcoregtk-4.0-18 (Ubuntu package) - addressed in versions 2.34.4-0ubuntu0.20.04.1, 2.34.4-0ubuntu0.21.10.1
libwebkit2gtk-4.0-37 (Ubuntu package) - addressed in versions 2.34.4-0ubuntu0.20.04.1, 2.34.4-0ubuntu0.21.10.1
webkit2gtk3 - addressed in versions 2.34.4-1.fc34, 2.34.4-2.fc35
webkit2gtk-4_0-injected-bundles - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk3-debugsource - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk3-devel - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
libwebkit2gtk3-lang - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-WebKit2-4_0 - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
libwebkit2gtk-4_0-37 - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
libjavascriptcoregtk-4_0-18 - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.34.5-2.85.3, 2.34.6-3.97.1, 2.34.6-29.1
webkit2gtk3-jsc-devel - update to 2.34.6-1
webkit2gtk3-jsc - update to 2.34.6-1
webkit2gtk3 - update to 2.34.6-1
webkit2gtk3-devel - update to 2.34.6-1
webkit2gtk3 (Red Hat package) - update to 2.34.6-1.el8
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9

• https://support.apple.com/en-us/HT212978

• Multiple vulnerabilities in macOS Monterey
• Multiple vulnerabilities in Apple iOS 15 and iPadOS 15
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple Safari
• Multiple vulnerabilities in WebKitGTK and WPE WebKit
• Debian update for webkit2gtk
• Debian update for wpewebkit
• Gentoo update for WebkitGTK+
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Ubuntu update for webkit2gtk
• SUSE update for webkit2gtk3
• 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