Incomplete cleanup in WebKitGTK+ and WPE WebKit - CVE-2020-29623

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Main Vulnerability Database Vulnerabilities #VU51625

Incomplete cleanup in WebKitGTK+ and WPE WebKit - CVE-2020-29623

Published: March 22, 2021


Vulnerability identifier: #VU51625
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-29623
CWE-ID: CWE-459
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker to gain access to sensitive information.

The vulnerability exists due to software fails to to fully delete browsing history under certain circumstances via the “Clear History and Website Data” option. An attacker with access to the system can obtain browsing data after cleanup.


Affected software

WebKitGTK+
WPE WebKit
Arch Linux
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
HPE Helion Openstack
macOS
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
Ubuntu
Fedora
webkit2gtk (Debian package)
libwebkit2gtk-4.0-37 (Ubuntu package)
libjavascriptcoregtk-4.0-18 (Ubuntu package)
webkit2gtk3
libwebkit2gtk3-lang
webkit2gtk-4_0-injected-bundles-debuginfo
webkit2gtk-4_0-injected-bundles
libwebkit2gtk-4_0-37-debuginfo
libwebkit2gtk-4_0-37
libjavascriptcoregtk-4_0-18-debuginfo
libjavascriptcoregtk-4_0-18
webkit2gtk3-devel
webkit2gtk3-debugsource
typelib-1_0-WebKit2WebExtension-4_0
typelib-1_0-WebKit2-4_0
typelib-1_0-JavaScriptCore-4_0
webkitgtk4 (Red Hat package)

How to mitigate CVE-2020-29623

Install updates from vendor's website.

WebKitGTK+ - update to 2.30.6
WPE WebKit - update to 2.30.6
webkit2gtk (Debian package) - update to 2.30.6-1~deb10u1
macOS - update to 11.1 20C69
libwebkit2gtk-4.0-37 (Ubuntu package) - addressed in versions 2.30.6-0ubuntu0.18.04.1, 2.30.6-0ubuntu0.20.04.1, 2.30.6-0ubuntu0.20.10.1
libjavascriptcoregtk-4.0-18 (Ubuntu package) - addressed in versions 2.30.6-0ubuntu0.18.04.1, 2.30.6-0ubuntu0.20.04.1, 2.30.6-0ubuntu0.20.10.1
webkit2gtk3 - addressed in versions 2.30.6-1.fc32, 2.32.0-1.fc33, 2.32.0-1.fc34
libwebkit2gtk3-lang - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
webkit2gtk-4_0-injected-bundles - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
libwebkit2gtk-4_0-37 - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
libjavascriptcoregtk-4_0-18 - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
webkit2gtk3-devel - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
webkit2gtk3-debugsource - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
typelib-1_0-WebKit2-4_0 - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.32.0-3.15.1, 2.32.0-3.74.1, 2.32.1-2.63.3, 2.34.3-2.82.1, 2.34.3-3.92.1, 2.34.3-23.3
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9

External References

Related Security Bulletins