CVE-2007-4648

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-31 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

Norman Virus Control: 5.82

References

http://securityreason.com/securityalert/3087
http://www.48bits.com/exploits/nvc.rar
http://www.securityfocus.com/archive/1/478224/100/0/threaded
http://www.securityfocus.com/bid/25499
http://www.securitytracker.com/id?1018636
https://exchange.xforce.ibmcloud.com/vulnerabilities/36373
http://securityreason.com/securityalert/3087
http://www.48bits.com/exploits/nvc.rar
http://www.securityfocus.com/archive/1/478224/100/0/threaded
http://www.securityfocus.com/bid/25499
http://www.securitytracker.com/id?1018636
https://exchange.xforce.ibmcloud.com/vulnerabilities/36373

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