OpenVPN 2.3.x Heartbeat Information Disclosure (Heartbleed)

High Nessus Plugin ID 73668

Synopsis

An application on the remote host is affected by an information disclosure vulnerability.

Description

According to its self-reported version number, the version of OpenVPN installed on the remote host is affected by an out-of-bounds read error, known as the 'Heartbleed Bug' in the included OpenSSL version.

This error is related to handling TLS heartbeat extensions that could allow an attacker to obtain sensitive information such as primary key material, secondary key material, and other protected content. Note this affects both client and server modes of operation.

Solution

Upgrade to 2.3.4 (Installer I001) / 2.3.3 (Installer I002) / 2.3.2 (Installer I004) or later.

See Also

https://community.openvpn.net/openvpn/wiki/heartbleed

https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn23

http://heartbleed.com/

http://eprint.iacr.org/2014/140

https://www.openssl.org/news/vulnerabilities.html#2014-0160

https://www.openssl.org/news/secadv/20140407.txt

Plugin Details

Severity: High

ID: 73668

File Name: openvpn_2_3_3_0.nasl

Version: 1.11

Type: local

Agent: windows

Family: Windows

Published: 2014/04/22

Updated: 2018/07/16

Dependencies: 73667

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.4

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:openvpn:openvpn

Required KB Items: SMB/OpenVPN/Installed

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/04/09

Vulnerability Publication Date: 2014/02/24

Exploitable With

Core Impact

Reference Information

CVE: CVE-2014-0160

BID: 66690

CERT: 720951

EDB-ID: 32745, 32764, 32791, 32998