CVE-2010-5151

https://notcve.org/view.php?id=CVE-2010-5151

Race condition in avast! Internet Security 5.0.462 on Windows XP allows local users to bypass kernel-mode hook handlers, and execute dangerous code that would otherwise be blocked by a handler but not blocked by signature-based malware detection, via certain user-space memory changes during hook-handler execution, aka an argument-switch attack or a KHOBE attack. NOTE: this issue is disputed by some third parties because it is a flaw in a protection mechanism for situations where a crafted program has already begun to execute ** EN DISPUTA ** Condición de Carrera en avast! Internet Security v5.0.462 para Windows XP permite a usuarios locales eludir los manejadores de hooks a nivel de kernel, y ejecutar código peligroso que de otra manera sería bloqueada por el manejador y no por una detección basada en firma de malware. Esto se consigue a través de ciertos cambios en la memoria de espacio de usuario durante la ejecución del manejador de hooks. • http://archives.neohapsis.com/archives/bugtraq/2010-05/0026.html http://archives.neohapsis.com/archives/fulldisclosure/2010-05/0066.html http://countermeasures.trendmicro.eu/you-just-cant-trust-a-drunk http://matousec.com/info/advisories/khobe-8.0-earthquake-for-windows-desktop-security-software.php http://matousec.com/info/articles/khobe-8.0-earthquake-for-windows-desktop-security-software.php http://www.f-secure.com/weblog/archives/00001949.html http://www.osvdb.org/67660 http://www.securit • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •