FreeBSD : openvpn -- potential denial-of-service on servers in TCP mode (3de49331-0dec-422c-93e5-e4719e9869c5)

medium Nessus Plugin ID 21416

Synopsis

The remote FreeBSD host is missing a security-related update.

Description

James Yonan reports :

If the TCP server accept() call returns an error status, the resulting exception handler may attempt to indirect through a NULL pointer, causing a segfault. Affects all OpenVPN 2.0 versions.

Solution

Update the affected package.

See Also

https://openvpn.net/community-resources/changelog-for-openvpn-2-1/

http://www.nessus.org/u?ebba75e0

Plugin Details

Severity: Medium

ID: 21416

File Name: freebsd_pkg_3de493310dec422c93e5e4719e9869c5.nasl

Version: 1.12

Type: local

Published: 5/13/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:openvpn, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 11/1/2005

Vulnerability Publication Date: 11/1/2005

Reference Information

CVE: CVE-2005-3409