Buffer overflow in WebKitGTK+ and WPE WebKit - CVE-2023-23518

Vulnerability identifier: #VU71436

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-2023-23518

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

WebKitGTK+
WPE WebKit
Gentoo Linux
Oracle Linux
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for IBM z Systems
Anolis OS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
watchOS
macOS
SUSE Linux Enterprise Server 12 SP2 BCL
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Server 12 SP4 LTSS
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Server
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Basesystem Module
Desktop Applications Module
Development Tools Module
openSUSE Leap
Apple iOS
iPadOS
tvOS
Ubuntu
Fedora
Apple Safari
libjavascriptcoregtk-4.0-18 (Ubuntu package)
libwebkit2gtk-4.0-37 (Ubuntu package)
libjavascriptcoregtk-5.0-0 (Ubuntu package)
libwebkit2gtk-5.0-0 (Ubuntu package)
webkit2gtk3
webkitgtk
wpewebkit (Debian package)
webkit2gtk (Debian package)
libwebkit2gtk-4_0-37
libwebkit2gtk3-lang
libjavascriptcoregtk-4_0-18-debuginfo
libjavascriptcoregtk-4_0-18
webkit2gtk3-devel
webkit2gtk3-debugsource
typelib-1_0-WebKit2WebExtension-4_0
libwebkit2gtk-4_0-37-debuginfo
typelib-1_0-JavaScriptCore-4_0
typelib-1_0-WebKit2-4_0
webkit2gtk-4_0-injected-bundles
webkit2gtk-4_0-injected-bundles-debuginfo
webkit2gtk3 (Red Hat package)
webkit2gtk3-jsc-devel
webkit2gtk3-jsc
libjavascriptcoregtk-4_1-0-32bit-debuginfo
libjavascriptcoregtk-4_1-0-32bit
libwebkit2gtk-4_1-0-32bit
libwebkit2gtk-4_1-0-32bit-debuginfo
libwebkit2gtk-4_0-37-32bit
libwebkit2gtk-4_0-37-32bit-debuginfo
libjavascriptcoregtk-4_0-18-32bit
libjavascriptcoregtk-4_0-18-32bit-debuginfo
webkit2gtk3-soup2-devel
webkit-jsc-5.0
webkit2gtk4-debugsource
libjavascriptcoregtk-5_0-0-debuginfo
webkit-jsc-4.1
webkit-jsc-4-debuginfo
libwebkit2gtk-5_0-0
typelib-1_0-WebKit2-5_0
webkit2gtk3-minibrowser
typelib-1_0-WebKit2WebExtension-5_0
libjavascriptcoregtk-5_0-0
webkit2gtk3-soup2-minibrowser
webkit2gtk3-minibrowser-debuginfo
libwebkit2gtk-4_1-0-debuginfo
libjavascriptcoregtk-4_1-0
webkit2gtk-4_1-injected-bundles-debuginfo
webkit2gtk-5_0-injected-bundles
typelib-1_0-JavaScriptCore-4_1
typelib-1_0-JavaScriptCore-5_0
WebKit2GTK-4.1-lang
WebKit2GTK-4.0-lang
WebKit2GTK-5.0-lang
libjavascriptcoregtk-4_1-0-debuginfo
libwebkit2gtk-4_1-0
webkit2gtk-4_1-injected-bundles
webkit2gtk4-devel
webkit2gtk-5_0-injected-bundles-debuginfo
typelib-1_0-WebKit2WebExtension-4_1
libwebkit2gtk-5_0-0-debuginfo
webkit-jsc-4
webkit-jsc-4.1-debuginfo
webkit2gtk4-minibrowser-debuginfo
webkit2gtk3-soup2-minibrowser-debuginfo
typelib-1_0-WebKit2-4_1
webkit2gtk3-soup2-debugsource
webkit2gtk4-minibrowser
webkit-jsc-5.0-debuginfo
net-libs/webkit-gtk
webkitgtk4 (Red Hat package)
libwebkit2gtk-4.1-0 (Ubuntu package)
libjavascriptcoregtk-4.1-0 (Ubuntu package)

Install update from vendor's website.

WebKitGTK+ - update to 2.38.4
WPE WebKit - update to 2.38.4
watchOS - update to 9.3 20S648
macOS - addressed in versions 11.7.3 20G1116, 12.6.3 21G419, 13.2 22D49
Apple Safari - update to 16.3
Apple iOS - update to 16.3 20D47
iPadOS - update to 16.3 20D47
tvOS - update to 16.3 20K650
libjavascriptcoregtk-4.0-18 (Ubuntu package) - addressed in versions 2.38.4-0ubuntu0.20.04.2, 2.38.4-0ubuntu0.22.04.1, 2.38.4-0ubuntu0.22.10.1
libwebkit2gtk-4.0-37 (Ubuntu package) - addressed in versions 2.38.4-0ubuntu0.20.04.2, 2.38.4-0ubuntu0.22.04.1, 2.38.4-0ubuntu0.22.10.1
libwebkit2gtk-4.1-0 (Ubuntu package) - addressed in versions 2.38.4-0ubuntu0.22.04.1, 2.38.4-0ubuntu0.22.10.1
libjavascriptcoregtk-4.1-0 (Ubuntu package) - addressed in versions 2.38.4-0ubuntu0.22.04.1, 2.38.4-0ubuntu0.22.10.1
libjavascriptcoregtk-5.0-0 (Ubuntu package) - update to 2.38.4-0ubuntu0.22.10.1
libwebkit2gtk-5.0-0 (Ubuntu package) - update to 2.38.4-0ubuntu0.22.10.1
webkit2gtk3 - addressed in versions 2.38.4-1.fc36, 2.38.5-1.fc36
webkitgtk - update to 2.38.4-1.fc37
wpewebkit (Debian package) - update to 2.38.4-1~deb11u1
webkit2gtk (Debian package) - update to 2.38.4-2~deb11u1
libwebkit2gtk-4_0-37 - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
libwebkit2gtk3-lang - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_0-18 - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
webkit2gtk3-devel - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
webkit2gtk3-debugsource - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
typelib-1_0-WebKit2-4_0 - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
webkit2gtk-4_0-injected-bundles - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.38.4-2.126.1, 2.38.5-2.131.4, 2.38.5-150000.3.134.1, 2.38.5-150200.66.1, 2.38.5-150400.4.34.2
webkit2gtk3 (Red Hat package) - addressed in versions 2.38.5-1.el8, 2.38.5-1.el9
webkit2gtk3-jsc-devel - update to 2.38.5-1.0.1
webkit2gtk3-jsc - update to 2.38.5-1.0.1
webkit2gtk3-devel - update to 2.38.5-1.0.1
webkit2gtk3 - update to 2.38.5-1.0.1
libjavascriptcoregtk-4_1-0-32bit-debuginfo - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_1-0-32bit - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_1-0-32bit - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_1-0-32bit-debuginfo - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_0-37-32bit - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_0-37-32bit-debuginfo - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_0-18-32bit - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_0-18-32bit-debuginfo - update to 2.38.5-150400.4.34.2
webkit2gtk3-soup2-devel - update to 2.38.5-150400.4.34.2
webkit-jsc-5.0 - update to 2.38.5-150400.4.34.2
webkit2gtk4-debugsource - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-5_0-0-debuginfo - update to 2.38.5-150400.4.34.2
webkit-jsc-4.1 - update to 2.38.5-150400.4.34.2
webkit-jsc-4-debuginfo - update to 2.38.5-150400.4.34.2
libwebkit2gtk-5_0-0 - update to 2.38.5-150400.4.34.2
typelib-1_0-WebKit2-5_0 - update to 2.38.5-150400.4.34.2
webkit2gtk3-minibrowser - update to 2.38.5-150400.4.34.2
typelib-1_0-WebKit2WebExtension-5_0 - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-5_0-0 - update to 2.38.5-150400.4.34.2
webkit2gtk3-soup2-minibrowser - update to 2.38.5-150400.4.34.2
webkit2gtk3-minibrowser-debuginfo - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_1-0-debuginfo - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_1-0 - update to 2.38.5-150400.4.34.2
webkit2gtk-4_1-injected-bundles-debuginfo - update to 2.38.5-150400.4.34.2
webkit2gtk-5_0-injected-bundles - update to 2.38.5-150400.4.34.2
typelib-1_0-JavaScriptCore-4_1 - update to 2.38.5-150400.4.34.2
typelib-1_0-JavaScriptCore-5_0 - update to 2.38.5-150400.4.34.2
WebKit2GTK-4.1-lang - update to 2.38.5-150400.4.34.2
WebKit2GTK-4.0-lang - update to 2.38.5-150400.4.34.2
WebKit2GTK-5.0-lang - update to 2.38.5-150400.4.34.2
libjavascriptcoregtk-4_1-0-debuginfo - update to 2.38.5-150400.4.34.2
libwebkit2gtk-4_1-0 - update to 2.38.5-150400.4.34.2
webkit2gtk-4_1-injected-bundles - update to 2.38.5-150400.4.34.2
webkit2gtk4-devel - update to 2.38.5-150400.4.34.2
webkit2gtk-5_0-injected-bundles-debuginfo - update to 2.38.5-150400.4.34.2
typelib-1_0-WebKit2WebExtension-4_1 - update to 2.38.5-150400.4.34.2
libwebkit2gtk-5_0-0-debuginfo - update to 2.38.5-150400.4.34.2
webkit-jsc-4 - update to 2.38.5-150400.4.34.2
webkit-jsc-4.1-debuginfo - update to 2.38.5-150400.4.34.2
webkit2gtk4-minibrowser-debuginfo - update to 2.38.5-150400.4.34.2
webkit2gtk3-soup2-minibrowser-debuginfo - update to 2.38.5-150400.4.34.2
typelib-1_0-WebKit2-4_1 - update to 2.38.5-150400.4.34.2
webkit2gtk3-soup2-debugsource - update to 2.38.5-150400.4.34.2
webkit2gtk4-minibrowser - update to 2.38.5-150400.4.34.2
webkit-jsc-5.0-debuginfo - update to 2.38.5-150400.4.34.2
net-libs/webkit-gtk - update to 2.40.1
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9

• https://support.apple.com/en-us/HT213603
• https://webkitgtk.org/security/WSA-2023-0001.html

• Multiple vulnerabilities in WebKitGTK+ and WPE WebKit
• Multiple vulnerabilities in Apple macOS Big Sur
• Multiple vulnerabilities in Apple macOS Monterey
• Multiple vulnerabilities in Apple macOS Ventura
• Multiple vulnerabilities in Apple iOS 16 and iPadOS 16
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple Safari
• Multiple vulnerabilities in Apple tvOS
• Debian update for wpewebkit
• Debian update for webkit2gtk
• Ubuntu update for webkit2gtk
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Multiple vulnerabilities in Oracle Linux
• Gentoo update for WebKitGTK+
• SUSE update for webkit2gtk3
• Fedora 36 update for webkit2gtk3
• Fedora 37 update for webkitgtk
• Fedora 36 update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4