ESB-2018.2986.2 - UPDATE [Ubuntu] webkit2gtk: Multiple vulnerabilities 2018-10-11

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.2986.2
                        WebKitGTK+ vulnerabilities
                              11 October 2018

===========================================================================

        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

- --------------------------BEGIN INCLUDED TEXT--------------------

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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