[USN-3672-1] Liblouis vulnerabilities

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Ubuntu Security Notice USN-3672-1
June 06, 2018

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- 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 to execute arbitrary code.
(CVE-2018-11683, CVE-2018-11684, CVE-2018-11685)

Update instructions:

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

Ubuntu 18.04 LTS:
  liblouis-bin                    3.5.0-1ubuntu0.2
  liblouis14                      3.5.0-1ubuntu0.2

Ubuntu 17.10:
  liblouis-bin                    3.0.0-3ubuntu1.2
  liblouis12                      3.0.0-3ubuntu1.2

Ubuntu 16.04 LTS:
  liblouis-bin                    2.6.4-2ubuntu0.3
  liblouis9                       2.6.4-2ubuntu0.3

Ubuntu 14.04 LTS:
  liblouis-bin                    2.5.3-2ubuntu1.4
  liblouis2                       2.5.3-2ubuntu1.4

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

References:
  https://usn.ubuntu.com/usn/usn-3672-1
  CVE-2018-11683, CVE-2018-11684, CVE-2018-11685

Package Information:
  https://launchpad.net/ubuntu/+source/liblouis/3.5.0-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/liblouis/3.0.0-3ubuntu1.2
  https://launchpad.net/ubuntu/+source/liblouis/2.6.4-2ubuntu0.3
  https://launchpad.net/ubuntu/+source/liblouis/2.5.3-2ubuntu1.4