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AUSCERT External Security Bulletin Redistribution
ESB-2023.6878
USN-6490-1: WebKitGTK vulnerabilities
21 November 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebKitGTK
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-42852 CVE-2023-41983
Original Bulletin:
https://ubuntu.com/security/notices/USN-6490-1
Comment: CVSS (Max): 8.8 CVE-2023-42852 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: Ubuntu
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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USN-6490-1: WebKitGTK vulnerabilities
20 November 2023
Several security issues were fixed in WebKitGTK.
Releases
o Ubuntu 23.10
o Ubuntu 23.04
o Ubuntu 22.04 LTS
Packages
o 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
o libjavascriptcoregtk-4.0-18 - 2.42.2-0ubuntu0.23.10.1
o libjavascriptcoregtk-4.1-0 - 2.42.2-0ubuntu0.23.10.1
o libjavascriptcoregtk-6.0-1 - 2.42.2-0ubuntu0.23.10.1
o libwebkit2gtk-4.0-37 - 2.42.2-0ubuntu0.23.10.1
o libwebkit2gtk-4.1-0 - 2.42.2-0ubuntu0.23.10.1
o libwebkitgtk-6.0-4 - 2.42.2-0ubuntu0.23.10.1
Ubuntu 23.04
o libjavascriptcoregtk-4.0-18 - 2.42.2-0ubuntu0.23.04.1
o libjavascriptcoregtk-4.1-0 - 2.42.2-0ubuntu0.23.04.1
o libjavascriptcoregtk-6.0-1 - 2.42.2-0ubuntu0.23.04.1
o libwebkit2gtk-4.0-37 - 2.42.2-0ubuntu0.23.04.1
o libwebkit2gtk-4.1-0 - 2.42.2-0ubuntu0.23.04.1
o libwebkitgtk-6.0-4 - 2.42.2-0ubuntu0.23.04.1
Ubuntu 22.04
o libjavascriptcoregtk-4.0-18 - 2.42.2-0ubuntu0.22.04.1
o libjavascriptcoregtk-4.1-0 - 2.42.2-0ubuntu0.22.04.1
o libjavascriptcoregtk-6.0-1 - 2.42.2-0ubuntu0.22.04.1
o libwebkit2gtk-4.0-37 - 2.42.2-0ubuntu0.22.04.1
o libwebkit2gtk-4.1-0 - 2.42.2-0ubuntu0.22.04.1
o libwebkitgtk-6.0-4 - 2.42.2-0ubuntu0.22.04.1
o 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
o CVE-2023-41983
o CVE-2023-42852
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