Race condition in Dr.Web Security Space Pro 6.0.0.03100 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
archives.neohapsis.com/archives/bugtraq/2010-05/0026.html
archives.neohapsis.com/archives/fulldisclosure/2010-05/0066.html
countermeasures.trendmicro.eu/you-just-cant-trust-a-drunk/
matousec.com/info/advisories/khobe-8.0-earthquake-for-windows-desktop-security-software.php
matousec.com/info/articles/khobe-8.0-earthquake-for-windows-desktop-security-software.php
www.f-secure.com/weblog/archives/00001949.html
www.osvdb.org/67660
www.securityfocus.com/bid/39924
www.theregister.co.uk/2010/05/07/argument_switch_av_bypass/