OpenVPN Server Remote Denial Of Service Vulnerability

BID:15270

Info

OpenVPN Server Remote Denial Of Service Vulnerability

Bugtraq ID: 15270
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-3409
Remote: Yes
Local: No
Published: Nov 01 2005 12:00AM
Updated: Mar 24 2006 06:14PM
Credit: The vendor disclosed this vulnerability.
Vulnerable: S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 10.0
S.u.S.E. Linux Professional 9.3 x86_64
S.u.S.E. Linux Professional 9.3
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.3 x86_64
S.u.S.E. Linux Personal 9.3
OpenVPN OpenVPN 2.0.2
OpenVPN OpenVPN 2.0.1
OpenVPN OpenVPN 2.0 beta11
OpenVPN OpenVPN 2.0
+ Debian Linux 3.1 sparc
+ Debian Linux 3.1 s/390
+ Debian Linux 3.1 ppc
+ Debian Linux 3.1 mipsel
+ Debian Linux 3.1 mips
+ Debian Linux 3.1 m68k
+ Debian Linux 3.1 ia-64
+ Debian Linux 3.1 ia-32
+ Debian Linux 3.1 hppa
+ Debian Linux 3.1 arm
+ Debian Linux 3.1 amd64
+ Debian Linux 3.1 alpha
+ Debian Linux 3.1
OpenPKG OpenPKG 2.5
OpenPKG OpenPKG 2.4
OpenPKG OpenPKG 2.3
OpenPKG OpenPKG Current
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
MandrakeSoft Multi Network Firewall 2.0
Gentoo Linux
Not Vulnerable: OpenVPN OpenVPN 2.0.4

Discussion

OpenVPN Server Remote Denial Of Service Vulnerability

OpenVPN server is prone to a remote denial-of-service vulnerability. Due to a design error, the server won't be able to handle exceptional conditions while running in TCP mode.

This issue affects all OpenVPN 2.0 versions; the vendor has released version 2.0.4 to address this issue.

Exploit / POC

OpenVPN Server Remote Denial Of Service Vulnerability

No exploit is required.

Solution / Fix

OpenVPN Server Remote Denial Of Service Vulnerability

Solution:
The vendor has released version 2.0.4 to address this issue; please see the reference section for more information.


OpenVPN OpenVPN 2.0

OpenVPN OpenVPN 2.0 beta11

OpenVPN OpenVPN 2.0.1

OpenVPN OpenVPN 2.0.2

OpenPKG OpenPKG 2.5

References

OpenVPN Server Remote Denial Of Service Vulnerability

References:

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report