CVE-2005-3393

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-11-01 · updated 2026-06-16

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.

Affected products

OpenVPN: 2.0, 2.0_beta11
OpenVPN Access Server: 2.0.1, 2.0.2

References

http://marc.info/?l=bugtraq&m=113081023121059&w=2
http://openvpn.net/changelog.html
http://secunia.com/advisories/17376
http://secunia.com/advisories/17447
http://secunia.com/advisories/17452
http://secunia.com/advisories/17480
http://www.debian.org/security/2005/dsa-885
http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml
http://www.novell.com/linux/security/advisories/2005_25_sr.html
http://www.securityfocus.com/archive/1/415487
http://www.securityfocus.com/bid/15239
http://www.vupen.com/english/advisories/2005/2255

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