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Category:   Application (Generic)  >   NetWare Vendors:   Novell
NetWare XNFS Stack Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1025119
SecurityTracker URL:
CVE Reference:   CVE-2010-4227   (Links to External Site)
Date:  Feb 24 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): NetWare 6.5 SP8
Description:   A vulnerability was reported in NetWare XNFS. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to the 'XNFS.NLM' service on UDP port 1234 to trigger a buffer overflow and execute arbitrary code on the target system.

The vendor was notified on August 25, 2010.

Francis Provencher of Protek Research Lab's reported this vulnerability via TippingPoint's Zero Day Initiative.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (XNFS and PKERNEL post SP8 Updates), available at:

Vendor URL: (Links to External Site)
Cause:   Boundary error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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