CVE-2005-3393

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    CVE-2005-3393

    Published: 1 Nov 2005Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High