Ubuntu 6327 Published by

The following updates has been released for Ubuntu Linux:

USN-3778-1: Firefox vulnerabilities
USN-3781-1: WebKitGTK+ vulnerabilities
USN-3782-1: Liblouis vulnerabilities
USN-3783-1: Apache HTTP Server vulnerabilities



USN-3778-1: Firefox vulnerabilities


==========================================================================
Ubuntu Security Notice USN-3778-1
October 03, 2018

firefox vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

A crash was discovered in TransportSecurityInfo used for SSL, which could
be triggered by data stored in the local cache directory. An attacker
could potentially exploit this in combination with another vulnerability
that allowed them to write data to the cache, to execute arbitrary code.
(CVE-2018-12385)

A type confusion bug was discovered in JavaScript. If a user were tricked
in to opening a specially crafted website, an attacker could exploit this
to cause a denial of service, or execute arbitrary code. (CVE-2018-12386)

It was discovered that the Array.prototype.push could leak memory
addresses to the calling function in some circumstances. An attacker could
exploit this in combination with another vulnerability to help execute
arbitrary code. (CVE-2018-12387)

Update instructions:

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

Ubuntu 18.04 LTS:
firefox 62.0.3+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
firefox 62.0.3+build1-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
firefox 62.0.3+build1-0ubuntu0.14.04.2

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3778-1
CVE-2018-12385, CVE-2018-12386, CVE-2018-12387

Package Information:
https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/firefox/62.0.3+build1-0ubuntu0.14.04.2

USN-3781-1: WebKitGTK+ vulnerabilities


==========================================================================
Ubuntu Security Notice USN-3781-1
October 03, 2018

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

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

- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in WebKitGTK+.

Software Description:
- 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

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-3781-1
CVE-2018-4191, CVE-2018-4197, CVE-2018-4207, CVE-2018-4208,
CVE-2018-4209, CVE-2018-4210, CVE-2018-4212, CVE-2018-4213,
CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4311,
CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316,
CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323,
CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361

Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.2-0ubuntu0.18.04.1


USN-3782-1: Liblouis vulnerabilities


==========================================================================
Ubuntu Security Notice USN-3782-1
October 03, 2018

liblouis vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Liblouis.

Software Description:
- liblouis: Braille translation library - utilities

Details:

Henri Salo discovered that Liblouis incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2018-12085)

It was discovered that Liblouis incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2018-17294)

Update instructions:

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

Ubuntu 18.04 LTS:
  liblouis-bin 3.5.0-1ubuntu0.3
  liblouis14 3.5.0-1ubuntu0.3

Ubuntu 16.04 LTS:
  liblouis-bin 2.6.4-2ubuntu0.4
  liblouis9 2.6.4-2ubuntu0.4

Ubuntu 14.04 LTS:
  liblouis-bin 2.5.3-2ubuntu1.5
  liblouis2 2.5.3-2ubuntu1.5

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3782-1
  CVE-2018-12085, CVE-2018-17294

Package Information:
  https://launchpad.net/ubuntu/+source/liblouis/3.5.0-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/liblouis/2.6.4-2ubuntu0.4
  https://launchpad.net/ubuntu/+source/liblouis/2.5.3-2ubuntu1.5


USN-3783-1: Apache HTTP Server vulnerabilities


==========================================================================
Ubuntu Security Notice USN-3783-1
October 03, 2018

apache2 vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in the Apache HTTP Server.

Software Description:
- apache2: Apache HTTP server

Details:

Robert Swiecki discovered that the Apache HTTP Server HTTP/2 module
incorrectly destroyed certain streams. A remote attacker could possibly
use this issue to cause the server to crash, leading to a denial of
service. (CVE-2018-1302)

Craig Young discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled certain requests. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-1333)

Gal Goldshtein discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled large SETTINGS frames. A remote attacker could possibly
use this issue to cause the server to consume resources, leading to a
denial of service. (CVE-2018-11763)

Update instructions:

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

Ubuntu 18.04 LTS:
apache2-bin 2.4.29-1ubuntu4.4

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3783-1
CVE-2018-11763, CVE-2018-1302, CVE-2018-1333

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.4