GLSA-201412-41 : OpenVPN: Denial of Service

medium Nessus Plugin ID 80262

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201412-41 (OpenVPN: Denial of Service)

OpenVPN does not properly handle control channel packets that are too small.
Impact :

A remote authenticated attacker could send a specially crafted control channel packet, possibly resulting in a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All OpenVPN users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/openvpn-2.3.6'

See Also

https://security.gentoo.org/glsa/201412-41

Plugin Details

Severity: Medium

ID: 80262

File Name: gentoo_GLSA-201412-41.nasl

Version: 1.5

Type: local

Published: 12/29/2014

Updated: 1/6/2021

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

Temporal Vector: E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:openvpn, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/26/2014

Reference Information

CVE: CVE-2014-8104

BID: 71402

GLSA: 201412-41