[USN-3728-1] libmspack vulnerabilities

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[USN-3728-1] libmspack vulnerabilities

Leonidas S. Barbosa
==========================================================================
Ubuntu Security Notice USN-3728-1
August 01, 2018

libmspack vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libmspack.

Software Description:
- libmspack: library for Microsoft compression formats

Details:

Hanno Böck discovered that libmspack incorrectly handled certain CHM
files. An attacker could possibly use this issue to cause a denial of
service. (CVE-2018-14679, CVE-2018-14680)

Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ
files. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2018-14681)

Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM
files. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2018-14682)

Update instructions:

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

Ubuntu 18.04 LTS:
  libmspack0                      0.6-3ubuntu0.1

Ubuntu 16.04 LTS:
  libmspack0                      0.5-1ubuntu0.16.04.2

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

References:
  https://usn.ubuntu.com/usn/usn-3728-1
  CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682

Package Information:
  https://launchpad.net/ubuntu/+source/libmspack/0.6-3ubuntu0.1
  https://launchpad.net/ubuntu/+source/libmspack/0.5-1ubuntu0.16.04.2
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