The following updates has been released for Ubuntu Linux:

USN-3570-1: AdvanceCOMP vulnerability
USN-3571-1: Erlang vulnerabilities
USN-3572-1: FreeType vulnerability

USN-3570-1: AdvanceCOMP vulnerability

==========================================================================
Ubuntu Security Notice USN-3570-1
February 14, 2018

advancecomp vulnerability
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

AdvanceCOMP could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- advancecomp: collection of recompression utilities

Details:

Joonun Jang discovered that AdvanceCOMP incorrectly handled certain
malformed zip files. If a user or automated system were tricked into
processing a specially crafted zip file, a remote attacker could cause
AdvanceCOMP to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 17.10:
advancecomp 2.0-1ubuntu0.1

Ubuntu 16.04 LTS:
advancecomp 1.20-1ubuntu0.1

Ubuntu 14.04 LTS:
advancecomp 1.18-1ubuntu0.1

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

References:
https://www.ubuntu.com/usn/usn-3570-1
CVE-2018-1056

Package Information:
https://launchpad.net/ubuntu/+source/advancecomp/2.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/advancecomp/1.20-1ubuntu0.1
https://launchpad.net/ubuntu/+source/advancecomp/1.18-1ubuntu0.1

USN-3571-1: Erlang vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3571-1
February 14, 2018

erlang vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Erlang.

Software Description:
- erlang: Concurrent, real-time, distributed functional language

Details:

It was discovered that the Erlang FTP module incorrectly handled certain
CRLF sequences. A remote attacker could possibly use this issue to inject
arbitrary FTP commands. This issue only affected Ubuntu 14.04 LTS.
(CVE-2014-1693)

It was discovered that Erlang incorrectly checked CBC padding bytes. A
remote attacker could possibly use this issue to perform a padding oracle
attack and decrypt traffic. This issue only affected Ubuntu 14.04 LTS.
(CVE-2015-2774)

It was discovered that Erlang incorrectly handled certain regular
expressions. A remote attacker could possibly use this issue to cause
Erlang to crash, resulting in a denial of service, or execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-10253)

Hanno Böck, Juraj Somorovsky and Craig Young discovered that the Erlang
otp TLS server incorrectly handled error reporting. A remote attacker could
possibly use this issue to perform a variation of the Bleichenbacher attack
and decrypt traffic or sign messages. (CVE-2017-1000385)

Update instructions:

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

Ubuntu 17.10:
erlang 1:20.0.4+dfsg-1ubuntu1.1

Ubuntu 16.04 LTS:
erlang 1:18.3-dfsg-1ubuntu3.1

Ubuntu 14.04 LTS:
erlang 1:16.b.3-dfsg-1ubuntu2.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3571-1
CVE-2014-1693, CVE-2015-2774, CVE-2016-10253, CVE-2017-1000385

Package Information:
https://launchpad.net/ubuntu/+source/erlang/1:20.0.4+dfsg-1ubuntu1.1
https://launchpad.net/ubuntu/+source/erlang/1:18.3-dfsg-1ubuntu3.1
https://launchpad.net/ubuntu/+source/erlang/1:16.b.3-dfsg-1ubuntu2.2

USN-3572-1: FreeType vulnerability

==========================================================================
Ubuntu Security Notice USN-3572-1
February 14, 2018

freetype vulnerability
==========================================================================

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

- Ubuntu 17.10

Summary:

FreeType could be made to crash if it opened a specially crafted file.

Software Description:
- freetype: FreeType 2 is a font engine library

Details:

It was discovered that FreeType incorrectly handled certain files.
An attacker could possibly use this to cause a denial of service.

Update instructions:

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

Ubuntu 17.10:
  libfreetype6 2.8-0.2ubuntu2.1

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

References:
  https://www.ubuntu.com/usn/usn-3572-1
  CVE-2018-6942

Package Information:
  https://launchpad.net/ubuntu/+source/freetype/2.8-0.2ubuntu2.1