The klif.sys driver in Kaspersky Labs Anti-Virus 5.0.227, 5.0.228, and 5.0.335 on Windows 2000 allows local users to gain privileges by modifying certain critical code addresses that are later accessed by privileged programs.
The NDIS-TDI Hooking Engine, as used in the (1) KLICK (KLICK.SYS) and (2) KLIN (KLIN.SYS) device drivers 2.0.0.281 for in Kaspersky Labs Anti-Virus 6.0.0.303 and other Anti-Virus and Internet Security products, allows local users to execute arbitrary code via crafted Irp structure with invalid addresses in the 0x80052110 IOCTL.
Buffer overflow in klim5.sys in Kaspersky Anti-Virus for Workstations 6.0 and Anti-Virus 2008 allows local users to gain privileges via an IOCTL 0x80052110 call.
Stack-based buffer overflow in kl1.sys in Kaspersky Anti-Virus 6.0 and 7.0 and Internet Security 6.0 and 7.0 allows local users to gain privileges via an IOCTL 0x800520e8 call.