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Last updated: 10/24/2014 3:19:06 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4648

Original release date: 08/31/2007
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: SREASON
Name: 3087
External Source: BID
Name: 25499
External Source: XF
Name: norman-nvcoaft-privilege-escalation(36373)
External Source: BUGTRAQ
Name: 20070830 [48bits] Advisory : Multiple vulnerabilities in Norman NVC 5.82 driver
External Source: SECTRACK
Name: 1018636
External Source: MISC
Name: http://www.48bits.com/exploits/nvc.rar

Technical Details

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