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Ubuntu 18.04 & 16.04 USN-3728-1 Critical: Libmspack Code Execution

ubuntu
Calendar Grey August 1, 2018
Dist Ubuntu Esm H88
Several vulnerabilities in libmspack for Ubuntu have been fixed. Updating promptly is advised to protect against potential arbitrary code execution and denial-of-service risks
Several security issues were fixed in libmspack.

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)

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu arbitrary code libmspack

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://ubuntu.com/security/notices/USN-3728-1

  CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682

Severity
critical
Lowest
Low
Medium
High
Critical

August 01, 2018

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu arbitrary code libmspack

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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