Research > Zero-Day Tracker > 20130510
Novell Client Local Elevation of Privilege Vulnerability
Novell Client 4.91 SP5 IR1 for Windows XP/2003
A vulnerability exists in the kernel driver (nwfs.sys) of the Novell Client when it handles the IOCTL 0x1439EB message. This allows a local attacker to elevate their privileges to grant them the ability to execute code within the context of the kernel.
Yes. Local code execution in the context of the kernel.
Local Elevation of Privilege
Local attackers exploiting this vulnerability will be able to elevate their privileges to the context of the kernel. Attackers will likely leverage this to hide their presence on the compromised system.
Apply the updated Novell client module.
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.
19099 - Novell Client Integer Overflow
2013-05-10: Original Disclosure
2013-05-28: Novell security advisory released
2013-06-03: Novell security patch released
Copyright ©1998-2011 eEye Digital Security
Permission is hereby granted for the redistribution of this alert electronically. It is not to be edited in any way without express consent of eEye. If you wish to reprint the whole or any part of this alert in any other medium excluding electronic medium, please email alert@eEye.com for permission.
The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are no warranties, implied or express, with regard to this information. In no event shall the author be liable for any direct or indirect damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk.