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Category:   Application (File Transfer/Sharing)  >   Nfs Vendors:   Sun
Solaris NFS Bug in Processing XDR Data Lets Remote Users Deny Service
SecurityTracker Alert ID:  1018253
SecurityTracker URL:
CVE Reference:   CVE-2007-3223   (Links to External Site)
Updated:  May 11 2008
Original Entry Date:  Jun 15 2007
Impact:   Denial of service via local system, Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in NFS on Sun Solaris. A remote user can cause denial of service conditions.

The system does not properly process XDR data within NFS requests. A remote or local user can send specially crafted data to trigger a kernel panic on the target NFS system.

The vulnerability resides in the xdrmblk_getint32() function.

Sun credits Andrzej Dereszowski with reporting this vulnerability.

Impact:   A remote user can cause a kernel panic.
Solution:   Sun has issued the following fixes.

SPARC Platform

* Solaris 10 with patch 125100-01 or later

x86 Platform

* Solaris 10 with patch 125101-01 or later

The Sun advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Exception handling error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  10

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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