[USN-3728-3] ClamAV vulnerabilities


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Ubuntu Security Notice USN-3728-3
August 02, 2018

clamav vulnerabilities
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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:

=C2=A0Hanno B=C3=B6ck discovered that libmspack incorrectly handled certain=
CHM
=C2=A0files. An attacker could possibly use this issue to cause a denial of
=C2=A0service. (CVE-2018-14679, CVE-2018-14680)

=C2=A0Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ
=C2=A0files. An attacker could possibly use this issue to execute arbitrary
=C2=A0code. (CVE-2018-14681)

=C2=A0Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM
=C2=A0files. An attacker could possibly use this issue to execute arbitrary
=C2=A0code. (CVE-2018-14682)

Update instructions:

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

Ubuntu 12.04 ESM:
=C2=A0 clamav=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A00.100.1+dfsg-1ubuntu0.12.04.3

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3728-3
=C2=A0 https://usn.ubuntu.com/usn/usn-3728-1
=C2=A0 CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682
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