========================================================================== 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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