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Ubuntu Security Notice USN-6490-1

Ubuntu Security Notice USN-6490-1
Posted Nov 21, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6490-1 - Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2023-41983
SHA-256 | d35bfaa2f5bcc9080ab733d02c9fe09161108b6505edc3ee149515eb5f62da3a

Ubuntu Security Notice USN-6490-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6490-1
November 20, 2023

webkit2gtk vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in WebKitGTK.

Software Description:
- webkit2gtk: Web content engine library for GTK+

Details:

Several security issues were discovered in the WebKitGTK Web and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could exploit a variety of issues related to web browser security,
including cross-site scripting attacks, denial of service attacks, and
arbitrary code execution.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
libjavascriptcoregtk-4.0-18 2.42.2-0ubuntu0.23.10.1
libjavascriptcoregtk-4.1-0 2.42.2-0ubuntu0.23.10.1
libjavascriptcoregtk-6.0-1 2.42.2-0ubuntu0.23.10.1
libwebkit2gtk-4.0-37 2.42.2-0ubuntu0.23.10.1
libwebkit2gtk-4.1-0 2.42.2-0ubuntu0.23.10.1
libwebkitgtk-6.0-4 2.42.2-0ubuntu0.23.10.1

Ubuntu 23.04:
libjavascriptcoregtk-4.0-18 2.42.2-0ubuntu0.23.04.1
libjavascriptcoregtk-4.1-0 2.42.2-0ubuntu0.23.04.1
libjavascriptcoregtk-6.0-1 2.42.2-0ubuntu0.23.04.1
libwebkit2gtk-4.0-37 2.42.2-0ubuntu0.23.04.1
libwebkit2gtk-4.1-0 2.42.2-0ubuntu0.23.04.1
libwebkitgtk-6.0-4 2.42.2-0ubuntu0.23.04.1

Ubuntu 22.04 LTS:
libjavascriptcoregtk-4.0-18 2.42.2-0ubuntu0.22.04.1
libjavascriptcoregtk-4.1-0 2.42.2-0ubuntu0.22.04.1
libjavascriptcoregtk-6.0-1 2.42.2-0ubuntu0.22.04.1
libwebkit2gtk-4.0-37 2.42.2-0ubuntu0.22.04.1
libwebkit2gtk-4.1-0 2.42.2-0ubuntu0.22.04.1
libwebkitgtk-6.0-4 2.42.2-0ubuntu0.22.04.1
libwebkitgtk-6.0-dev 2.42.2-0ubuntu0.22.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use WebKitGTK, such as Epiphany, to make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6490-1
CVE-2023-41983, CVE-2023-42852

Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.2-0ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.2-0ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.2-0ubuntu0.22.04.1

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