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    CVE-1999-0305

    The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.

    Published:Feb 1, 1998
    Last Modified:Apr 16, 2026
    EPS:Sep 29, 1999
    EPSS Score:0.0073
    CVSS Score:5

    Affected Products

    Vendor
    Bsdi
    Product
    Bsd Os
    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Openbsd
    Product
    Openbsd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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