Ubuntu 17.04 : openvpn vulnerabilities (USN-3284-1)

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 OpenVPN improperly triggered an assert when
receiving an oversized control packet in some situations. A remote
attacker could use this to cause a denial of service (server or client
crash). (CVE-2017-7478)

It was discovered that OpenVPN improperly triggered an assert when
packet ids rolled over. An authenticated remote attacker could use
this to cause a denial of service (application crash). (CVE-2017-7479).

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 openvpn package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 100155 ()

Bugtraq ID:

CVE ID: CVE-2017-7478
CVE-2017-7479

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