OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

BID:30532

Info

OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

Bugtraq ID: 30532
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2008-3459
Remote: Yes
Local: No
Published: Aug 04 2008 12:00AM
Updated: May 07 2015 05:25PM
Credit: David Wagner
Vulnerable: OpenVPN OpenVPN 2.1-rc8
OpenVPN OpenVPN 2.1-beta14
Not Vulnerable: OpenVPN OpenVPN 2.1-rc9

Discussion

OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

In certain circumstances, the OpenVPN client is prone to a remote code-execution vulnerability when handling specially crafted configuration directives.

Attackers can leverage this issue to execute arbitrary code in the context of the application. Failed attacks will likely result in denial-of-service conditions.

NOTE: Only non-Windows clients are affected.

This issue affects OpenVPN clients 2.1-beta14 through 2.1-rc8.

Exploit / POC

OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

Solution:
Vendor fixes are available. Please see the references for more information.


OpenVPN OpenVPN 2.1-beta14

OpenVPN OpenVPN 2.1-rc8

References

OpenVPN Client 'lladdr' and 'iproute' Configuration Directive Remote Code Execution Vulnerability

References:
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