ESB-2018.1705 - [Ubuntu] liblouis: Multiple vulnerabilities 2018-06-07

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1705
                         Liblouis vulnerabilities
                                7 June 2018

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

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           liblouis
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-11685 CVE-2018-11684 CVE-2018-11683

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3672-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running liblouis check for an updated version of the software for 
         their operating system.

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

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

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

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