Exiv2, GnuPG, WebKitGTK+ Updates for Ubuntu Linux
Posted on: 01/11/2019 06:46 AM

The following updates has been released for Ubuntu Linux:

USN-3852-1: Exiv2 vulnerabilities
USN-3853-1: GnuPG vulnerability
USN-3854-1: WebKitGTK+ vulnerabilities

USN-3852-1: Exiv2 vulnerabilities
==========================================================================
Ubuntu Security Notice USN-3852-1
January 10, 2019

exiv2 vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Exiv2.

Software Description:
- exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
CVE-2017-9239 only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2017-11591, CVE-2017-11683, CVE-2017-14859, CVE-2017-14862,
CVE-2017-14864, CVE-2017-17669, CVE-2017-9239, CVE-2018-16336,
CVE-2018-1758)

Update instructions:

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

Ubuntu 18.10:
exiv2 0.25-4ubuntu0.1
libexiv2-14 0.25-4ubuntu0.1

Ubuntu 18.04 LTS:
exiv2 0.25-3.1ubuntu0.18.04.2
libexiv2-14 0.25-3.1ubuntu0.18.04.2

Ubuntu 16.04 LTS:
exiv2 0.25-2.1ubuntu16.04.3
libexiv2-14 0.25-2.1ubuntu16.04.3

Ubuntu 14.04 LTS:
exiv2 0.23-1ubuntu2.2
libexiv2-12 0.23-1ubuntu2.2

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

References:
https://usn.ubuntu.com/usn/usn-3852-1
CVE-2017-11591, CVE-2017-11683, CVE-2017-14859, CVE-2017-14862,
CVE-2017-14864, CVE-2017-17669, CVE-2017-9239, CVE-2018-16336,
CVE-2018-17581

Package Information:
https://launchpad.net/ubuntu/+source/exiv2/0.25-4ubuntu0.1
https://launchpad.net/ubuntu/+source/exiv2/0.25-3.1ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/exiv2/0.25-2.1ubuntu16.04.3
https://launchpad.net/ubuntu/+source/exiv2/0.23-1ubuntu2.2


USN-3853-1: GnuPG vulnerability
==========================================================================
Ubuntu Security Notice USN-3853-1
January 10, 2019

gnupg2 vulnerability
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS

Summary:

GnuPG could allow unintended access to network services.

Software Description:
- gnupg2: GNU privacy guard - a free PGP replacement

Details:

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory
lookups. A remote attacker could possibly use this issue to cause a denial
of service, or perform Cross-Site Request Forgery attacks.

Update instructions:

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

Ubuntu 18.10:
gnupg 2.2.8-3ubuntu1.1
gpg-wks-client 2.2.8-3ubuntu1.1

Ubuntu 18.04 LTS:
gnupg 2.2.4-1ubuntu1.2
gpg-wks-client 2.2.4-1ubuntu1.2

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

References:
https://usn.ubuntu.com/usn/usn-3853-1
CVE-2018-1000858

Package Information:
https://launchpad.net/ubuntu/+source/gnupg2/2.2.8-3ubuntu1.1
https://launchpad.net/ubuntu/+source/gnupg2/2.2.4-1ubuntu1.2


USN-3854-1: WebKitGTK+ vulnerabilities
==========================================================================
Ubuntu Security Notice USN-3854-1
January 10, 2019

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

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

- Ubuntu 18.10
- 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 18.10:
libjavascriptcoregtk-4.0-18 2.22.5-0ubuntu0.18.10.1
libwebkit2gtk-4.0-37 2.22.5-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
libjavascriptcoregtk-4.0-18 2.22.5-0ubuntu0.18.04.1
libwebkit2gtk-4.0-37 2.22.5-0ubuntu0.18.04.1

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-3854-1
CVE-2018-4437

Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.5-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.22.5-0ubuntu0.18.04.1





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