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Sicherheit: Mehrere Probleme in Clam Antivirus
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Clam Antivirus
ID: USN-3393-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04
Datum: Do, 17. August 2017, 23:08
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6420
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6419
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6418

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <54a6fbdc-afe0-13ab-3066-921b98c7168f@canonical.com>
Subject: [USN-3393-1] ClamAV vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3393-1
August 17, 2017

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

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in ClamAV.

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

Details:

It was discovered that ClamAV incorrectly handled parsing certain e-mail
messages. A remote attacker could possibly use this issue to cause ClamAV
to crash, resulting in a denial of service. (CVE-2017-6418)

It was discovered that ClamAV incorrectly handled certain malformed CHM
files. A remote attacker could use this issue to cause ClamAV to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 14.04 LTS. In the default installation,
attackers would be isolated by the ClamAV AppArmor profile. (CVE-2017-6419)

It was discovered that ClamAV incorrectly handled parsing certain PE files
with WWPack compression. A remote attacker could possibly use this issue to
cause ClamAV to crash, resulting in a denial of service. (CVE-2017-6420)

Update instructions:

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

Ubuntu 17.04:
clamav 0.99.2+dfsg-6ubuntu0.1

Ubuntu 16.04 LTS:
clamav 0.99.2+dfsg-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
clamav 0.99.2+addedllvm-0ubuntu0.14.04.2

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

References:
https://www.ubuntu.com/usn/usn-3393-1
CVE-2017-6418, CVE-2017-6419, CVE-2017-6420

Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.99.2+dfsg-6ubuntu0.1
https://launchpad.net/ubuntu/+source/clamav/0.99.2+dfsg-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/clamav/0.99.2+addedllvm-0ubuntu0.14.04.2



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