CVE-2007-4648
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- norman/norman virus control
- Source
- cve@mitre.org
References
- http://securityreason.com/securityalert/3087
- http://www.48bits.com/exploits/nvc.rarExploit
- 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.rarExploit
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.