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AUSCERT External Security Bulletin Redistribution
ESB-2018.2986.2
WebKitGTK+ vulnerabilities
11 October 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: webkit2gtk
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-4361 CVE-2018-4359 CVE-2018-4358
CVE-2018-4328 CVE-2018-4323 CVE-2018-4319
CVE-2018-4318 CVE-2018-4317 CVE-2018-4316
CVE-2018-4315 CVE-2018-4314 CVE-2018-4312
CVE-2018-4311 CVE-2018-4309 CVE-2018-4306
CVE-2018-4299 CVE-2018-4213 CVE-2018-4212
CVE-2018-4210 CVE-2018-4209 CVE-2018-4208
CVE-2018-4207 CVE-2018-4197 CVE-2018-4191
Reference: ESB-2018.2961
ESB-2018.2860
ESB-2018.2859
Original Bulletin:
http://www.ubuntu.com/usn/usn-3781-1
http://www.ubuntu.com/usn/usn-3781-2
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: October 11 2018: USN-3781-2 addresses a regression in
USN-3781-1
October 4 2018: Initial Release
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USN-3781-1: WebKitGTK+ vulnerabilities
3 October 2018
webkit2gtk vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
Summary
Several security issues were fixed in WebKitGTK+.
Software Description
o webkit2gtk - Web content engine library for GTK+
Details
A large number of 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 18.04 LTS
libjavascriptcoregtk-4.0-18 - 2.22.2-0ubuntu0.18.04.1
libwebkit2gtk-4.0-37 - 2.22.2-0ubuntu0.18.04.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.
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-2018-4191
o CVE-2018-4197
o CVE-2018-4207
o CVE-2018-4208
o CVE-2018-4209
o CVE-2018-4210
o CVE-2018-4212
o CVE-2018-4213
o CVE-2018-4299
o CVE-2018-4306
o CVE-2018-4309
o CVE-2018-4311
o CVE-2018-4312
o CVE-2018-4314
o CVE-2018-4315
o CVE-2018-4316
o CVE-2018-4317
o CVE-2018-4318
o CVE-2018-4319
o CVE-2018-4323
o CVE-2018-4328
o CVE-2018-4358
o CVE-2018-4359
o CVE-2018-4361
================================================================================
==========================================================================
Ubuntu Security Notice USN-3781-2
October 10, 2018
webkit2gtk regression
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 18.04 LTS
Summary:
USN-3781-1 introduced a regression in WebKitGTK+.
Software Description:
- - webkit2gtk: Web content engine library for GTK+
Details:
USN-3781-1 fixed vulnerabilities in WebKitGTK+. The updated package was
missing some header files, preventing certain applications from building.
This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
A large number of 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 18.04 LTS:
libjavascriptcoregtk-4.0-18 2.22.2-0ubuntu0.18.04.2
libwebkit2gtk-4.0-37 2.22.2-0ubuntu0.18.04.2
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://usn.ubuntu.com/usn/usn-3781-2
https://usn.ubuntu.com/usn/usn-3781-1
https://launchpad.net/bugs/1795901
Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.2-0ubuntu0.18.04.2
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