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Ubuntu Security Notice USN-3728-3

Ubuntu Security Notice USN-3728-3
Posted Aug 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3728-3 - USN-3728-2 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM. Hanno Boeck discovered that libmspack incorrectly handled certain CHM files. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-14679, CVE-2018-14681, CVE-2018-14682
MD5 | 342c999b06779c9933a6f72b37765ff3

Ubuntu Security Notice USN-3728-3

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3728-3
August 02, 2018

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

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in ClamAV.

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

Details:

USN-3728-2 fixed several vulnerabilities in ClamAV. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 12.04 ESM:
clamav 0.100.1+dfsg-1ubuntu0.12.04.3

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

References:
https://usn.ubuntu.com/usn/usn-3728-3
https://usn.ubuntu.com/usn/usn-3728-1
CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682
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