USN-3728-1: libmspack vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

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)

Update instructions

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

Ubuntu 18.04

• libmspack0 - 0.6-3ubuntu0.1

Ubuntu 16.04

• libmspack0 - 0.5-1ubuntu0.16.04.2

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

References

• CVE-2018-14679
• CVE-2018-14680
• CVE-2018-14681
• CVE-2018-14682

Related notices

• USN-3789-2: clamav
• USN-3728-3: clamav
• USN-3728-2: clamav-testfiles, clamav-freshclam, clamav, libclamav7, clamav-daemon, libclamav-dev, clamav-milter, clamav-base, clamav-docs