OpenVPN Server 2.0.x < 2.0.3 Remote Code Execution Vulnerability

high Nessus Plugin ID 128776

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Synopsis

An application on the remote Windows host is affected by a remote code execution vulnerability.

Description

According to its self-reported version number, the version of OpenVPN server installed on the remote Windows host is version 2.0.x prior to 2.0.3. It is, therefore, affected by a remote command execution vulnerability in its DHCP component due to a format string vulnerability. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands with the privileges of the user running the server.

Solution

Upgrade to OpenVPN 2.0.3 or later.

Plugin Details

Severity: High

ID: 128776

File Name: openvpn_2_0_3.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 9/16/2019

Updated: 10/31/2019

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2005-3393

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:openvpn:openvpn

Required KB Items: installed_sw/OpenVPN Server

Exploit Ease: No known exploits are available

Patch Publication Date: 11/1/2005

Vulnerability Publication Date: 11/1/2005

Reference Information

CVE: CVE-2005-3393

BID: 15239

Detections

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