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    CVE-2009-0687

    The pf_test_rule function in OpenBSD Packet Filter (PF), as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service (panic) via crafted IP packets that trigger a NULL pointer dereference during translation, related to an IPv4 packet with an ICMPv6 payload.

    Published:Aug 11, 2009
    Last Modified:Apr 23, 2026
    EPS:Aug 11, 2009
    EPSS Score:0.13584
    CVSS Score:7.8

    Affected Products

    Vendor
    Midnightbsd
    Product
    Midnightbsd
    Vendor
    Mirbsd
    Product
    Miros
    Vendor
    Netbsd
    Product
    Netbsd
    Vendor
    Openbsd
    Product
    Openbsd

    Exploits

    https://www.exploit-db.com/exploits/8581https://www.exploit-db.com/exploits/8406https://www.exploit-db.com/exploits/8430

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch
    http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.asc
    http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
    http://www.openbsd.org/errata43.html#013_pf
    http://www.openbsd.org/errata44.html#013_pf
    http://www.openbsd.org/errata45.html#002_pf
    http://www.osvdb.org/53608
    http://www.securityfocus.com/archive/1/502634
    http://www.vupen.com/english/advisories/2009/1015
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49837
    https://www.exploit-db.com/exploits/8406
    https://www.exploit-db.com/exploits/8581
    ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch
    http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.asc
    http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
    http://www.openbsd.org/errata43.html#013_pf
    http://www.openbsd.org/errata44.html#013_pf
    http://www.openbsd.org/errata45.html#002_pf
    http://www.osvdb.org/53608
    http://www.securityfocus.com/archive/1/502634
    http://www.vupen.com/english/advisories/2009/1015
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49837
    https://www.exploit-db.com/exploits/8406
    https://www.exploit-db.com/exploits/8581

    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