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Ubuntu Security Notice USN-3728-1

Ubuntu Security Notice USN-3728-1
Posted Aug 1, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3728-1 - Hanno Boeck discovered that libmspack incorrectly handled certain CHM files. An attacker could possibly use this issue to cause a denial of service. Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. An attacker could possibly use this issue to execute arbitrary code. Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-14679, CVE-2018-14681, CVE-2018-14682
SHA-256 | ca482bb886b51c441207fba939f93cf197fd87f3a41abe851e6d558659a693d6

Ubuntu Security Notice USN-3728-1

Change Mirror Download
==========================================================================
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 BAPck 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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