National Vulnerability Database (NVD) National Vulnerability Database (CVE-2006-4927)

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Vulnerability Summary for CVE-2006-4927

Original release date:10/10/2006

Last revised:09/05/2008

Source: US-CERT/NIST

Overview

The (a) NAVENG (NAVENG.SYS) and (b) NAVEX15 (NAVEX15.SYS) device drivers 20061.3.0.12 and later, as used in Symantec AntiVirus and security products, allow local users to gain privileges by overwriting critical system addresses using a crafted Irp to the IOCTL functions (1) 0x222AD3, (2) 0x222AD7, and (3) 0x222ADB.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Solution

Update 20061.3.0.12 has been released by the vendor for each vulnerable driver. Additionally, an update to the virus definitions (October 4, 2006 revision 9 or later) is required.}

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US-CERT Vulnerability Note: VU#946820

Name: VU#946820

Hyperlink:http://www.kb.cert.org/vuls/id/946820

External Source: XF

Name: symantec-ioctl-privilege-escalation(29360)

Type: Patch Information

Hyperlink:http://xforce.iss.net/xforce/xfdb/29360

External Source: CONFIRM

Name: http://www.symantec.com/avcenter/security/Content/2006.10.05a.html

Type: Patch Information

Hyperlink:http://www.symantec.com/avcenter/security/Content/2006.10.05a.html

External Source: BID