USN-3728-1: libmspack vulnerabilities

Publication date

1 August 2018

Overview

Several security issues were fixed in libmspack.


Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libmspack0 –  0.6-3ubuntu0.1
16.04 xenial libmspack0 –  0.5-1ubuntu0.16.04.2

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›