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Category:   Application (Security)  >   Symantec Web Security Vendors:   Symantec
Symantec Web Security NAVEX15/NAVENG Device Drivers Let Local Users Gain Kernel Level Privileges
SecurityTracker Alert ID:  1016998
SecurityTracker URL:
CVE Reference:   CVE-2006-4927   (Links to External Site)
Date:  Oct 5 2006
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Symantec Web Security in the NAVEX15.SYS and NAVENG.SYS device drivers. A local user can obtain kernel level privileges on the target system.

A local user can send a specially crafted I/O request packet to the IOCTL handler function to cause memory to be overwritten and arbitrary code to be executed on the target system. The code will run with kernel-level privileges.

NAVEX15.SYS and NAVENG.SYS versions prior to 20061.3.0.12 are affected.

The vendor was notified on September 19, 2006.

Ruben Santamarta and iDefense reported this vulnerability.

Impact:   A local user can obtain kernel-level privileges on the target system.
Solution:   The vendor has issued a fix as part of the anti-virus definitions dated October 4, 2006 revision 9 (or later). The vendor has issued fixed versions of the NAVEX15.SYS and NAVENG.SYS drivers (20061.3.0.12 and later) as part of the update.

The Symantec advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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