USN-3728-1: libmspack vulnerabilities

1 August 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References