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CVE-2005-3393

7.5 · HIGH

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 c…

Published Nov 1, 2005openvpnEPSS 3.48%

Overview

CVE-2005-3393 is a high-severity vulnerability affecting openvpn openvpn. It was published on November 1, 2005 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from openvpn. Update openvpn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refmarc.info/?l=bugtraq&m=113081023121059&w=2Refopenvpn.net/changelog.htmlRefsecunia.com/advisories/17376Refsecunia.com/advisories/17447Refsecunia.com/advisories/17452Refsecunia.com/advisories/17480Refwww.debian.org/security/2005/dsa-885Refwww.gentoo.org/security/en/glsa/glsa-200511-07.xmlRefwww.novell.com/linux/security/advisories/2005_25_sr.htmlRefwww.securityfocus.com/archive/1/415487

How CyberStrike helps

Frequently asked questions

What is CVE-2005-3393?

CVE-2005-3393 is a high-severity vulnerability affecting openvpn openvpn. It was published on November 1, 2005 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2005-3393?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-3393?

Check the references section for vendor advisories and patches from openvpn. Update openvpn to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-3393?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-3393 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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