CVE-2005-3409

    Dashboard / Vulnerabilities / CVE-2005-3409

    CVE-2005-3409

    Published: 2 Nov 2005Last Modified: 10 Apr 2026

    Summary:

    Details: OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.

    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://secunia.com/advisories/17376, http://openvpn.net/changelog.html, http://www.gentoo.org/security/en/glsa/glsa-200511-07.xml, http://www.osvdb.org/20416, http://www.securityfocus.com/archive/1/415487, http://www.securityfocus.com/bid/15270

    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