Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : clamav vulnerabilities (USN-3393-1)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

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).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected clamav package.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.0
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 102581 ()

Bugtraq ID:

CVE ID: CVE-2017-6418
CVE-2017-6419
CVE-2017-6420

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