Secunia

A vulnerability has been reported in various Symantec Products, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to insufficient address space verification within the IOCTL handlers of the NAVEX15.SYS and NAVENG.SYS device drivers, which allows to overwrite arbitrary memory with a constant double word value. This can be exploited to execute arbitrary code with kernel privileges by sending specially crafted I/O Request Packets to the 0x222AD3, 0x222AD7, and 0x222ADB IOCTL handlers.

The vulnerability has been reported in all versions of the following products for Windows NT, Windows 2000, and Windows XP:
- Norton AntiVirus
- Norton Internet Security
- Norton System Works
- Symantec AntiVirus Corporate Edition
- Symantec AntiVirus for Blue Coat Security
- Symantec AntiVirus for CacheFlow Security Gateway
- Symantec AntiVirus for Clearswift MIME Sweeper
- Symantec AntiVirus for Inktomi Traffic Edge
- Symantec AntiVirus for Microsoft ISA Server
- Symantec AntiVirus for NetApp Filer/NetCache
- Symantec BrightMail AntiSpam
- Symantec Client Security
- Symantec Mail Security for Domino
- Symantec Mail Security for Exchange
- Symantec Mail Security for SMTP
- Symantec Scan Engine
- Symantec Web Security for Windows

Solution
Update to the virus definitions of October 4, 2006 revision 9 or later.

Provided and/or discovered by
Rubén Santamarta, reversemode.com.

Changelog
Further details available in Customer Area

Original Advisory
Symantec:
http://securityresponse.symantec.com/avcenter/security/Content/2006.10.05a.html

iDEFENSE:
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=417

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area