[USN-3728-2] ClamAV vulnerabilities

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[USN-3728-2] ClamAV vulnerabilities

Leonidas S. Barbosa
==========================================================================
Ubuntu Security Notice USN-3728-2
August 01, 2018

clamav vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in ClamAV.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

USN-3728-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04
libmspack is included into ClamAV. This update provides the
corresponding update for Ubuntu 14.04 LTS.

Original advisory 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 14.04 LTS:
  clamav                          0.100.1+dfsg-1ubuntu0.14.04.3

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

References:
  https://usn.ubuntu.com/usn/usn-3728-2
  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/clamav/0.100.1+dfsg-1ubuntu0.14.
04.3
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