CVE-2007-4648 json
The nvcoaft51 driver in Norman Virus Control (NVC) 5.82 uses weak permissions (unrestricted write access) for the NvcOa device, which allow…
published 2007-08-31 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4630
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 1
- Exploit-DB
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.
Timeline
- First public exploit (EDB-4345)
- Published
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-4345 Norman Virus Control - 'nvcoaft51.sys' ioctl BF672028 local, 2007-08-30
- 48bits.com http://www.48bits.com/exploits/nvc.rar referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
48bits.com
/exploits/nvc.rar
exploit
-
securityfocus.com
/archive/1/478224/100/0/threaded
mailing-list
-
securitytracker.com
/id?1018636
vdb-entry
-
securityfocus.com
/bid/25499
vdb-entry
-
securityreason.com
/securityalert/3087
third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/36373
vdb-entry
Sources
- CVE List CVE-2007-4648
- NVD CVE-2007-4648
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