Kaspersky Anti-Virus 5.0 (5.0.712); Antivirus Personal 5.0.x; Anti-Virus 6.0 (6.0.3.837), 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); and Internet Security 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); use weak permissions (Everyone:Full Control) for the BASES directory, which allows local users to gain SYSTEM privileges by replacing an executable or DLL with a Trojan horse.

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.

Heap-based buffer overflow in Kaspersky Anti-Virus Engine, as used in Kaspersky Personal 5.0.227, Anti-Virus On-Demand Scanner for Linux 5.0.5, and F-Secure Anti-Virus for Linux 4.50 allows remote attackers to execute arbitrary code via a crafted CHM file.

Heap-based buffer overflow in Kaspersky Antivirus (KAV) 5.0 and Kaspersky Personal Security Suite 1.1 allows remote attackers to execute arbitrary code via a CAB file with large records after the header.

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.