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CVSS: 5.0EPSS: 0%CPEs: 18EXPL: 2

The (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268 and earlier do not validate arguments passed through to SSDT functions, including NtCreateFile, NtDeleteFile, NtLoadDriver, NtMapViewOfSection, NtOpenFile, and NtSetInformationFile, which allows local users to cause a denial of service (crash) and possibly other impacts via unspecified vectors. Los drivers (1) fwdrv.sys y (2) khips.sys en Sunbelt Kerio Personal Firewall 4.3.268 y anteriores no validan los argumentos pasados a través de funciones SSDT, incluyendo NtCreateFile, NtDeleteFile, NtLoadDriver, NtMapViewOfSection, NtOpenFile, y NtSetInformationFile, lo cual permite a usuarios locales provocar una denegación de servicio (caída) y posiblemente otros impactos mediante vectores no especificados. • http://secunia.com/advisories/22234 http://securityreason.com/securityalert/1685 http://securitytracker.com/id?1016967 http://www.matousec.com/info/advisories/Kerio-Multiple-insufficient-argument-validation-of-hooked-SSDT-functions.php http://www.securityfocus.com/archive/1/447504/100/0/threaded http://www.securityfocus.com/bid/20299 http://www.vupen.com/english/advisories/2006/3872 https://exchange.xforce.ibmcloud.com/vulnerabilities/29313 •