CVE-2005-3393 Memory corruption in n/a

High 7.5 Published 1 Nov 2005 Updated 7 Aug 2024

Remote clients can execute arbitrary code on OpenVPN servers via format string vulnerabilities in the dhcp-option push command.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2005-3393?

CVE-2005-3393 is a high-severity memory corruption vulnerability in n/a, published on 1 Nov 2005. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option.

Which versions are affected by CVE-2005-3393?

It affects 2 products.

Products include Openvpn Openvpn, Openvpn Openvpn Access Server.

How do I fix CVE-2005-3393?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2005-3393 being exploited?

There is no known exploitation of CVE-2005-3393 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-3393, GHSA-26pq-368c-c8f2.