7.2
CVSSv2

CVE-2007-4648

Published: 31/08/2007 Updated: 15/10/2018
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
VMScore: 725
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

The nvcoaft51 driver in Norman Virus Control (NVC) 5.82 uses weak permissions (unrestricted write access) for the NvcOa device, which allows local users to gain privileges by (1) triggering a buffer overflow in a kernel pool via a string argument to ioctl 0xBF67201C; or by (2) sending a crafted KEVENT structure through ioctl 0xBF672028 to overwrite arbitrary memory locations.

Vulnerable Product Search on Vulmon Subscribe to Product

norman norman virus control 5.82

Exploits

/* Norman Virus Control nvcoaft51sys ioctl BF672028 exploit Abstract nvcoaft51sys driver receive as parameter in some ioctl's a pointer to a KEVENT struct, calling KeSetEvent without any prior check The device created by the driver (NvcOa) can be opened by any user As result, a user can send a IOCTL with a fake KEVENT str ...