Sun Solaris NFS Version 4 Server Kernel Module Local Denial Of Service Vulnerability

Bugtraq ID:	34031
Class:	Access Validation Error
CVE:
Remote:	No
Local:	Yes
Published:	Mar 07 2009 12:00AM
Updated:	Mar 19 2009 02:46PM
Credit:	Sun
Vulnerable:	Sun Solaris 10_x86 Sun Solaris 10.0 Sun OpenSolaris build snv_99 Sun OpenSolaris build snv_96 Sun OpenSolaris build snv_95 Sun OpenSolaris build snv_92 Sun OpenSolaris build snv_91 Sun OpenSolaris build snv_90 Sun OpenSolaris build snv_89 Sun OpenSolaris build snv_88 Sun OpenSolaris build snv_87 Sun OpenSolaris build snv_86 Sun OpenSolaris build snv_85 Sun OpenSolaris build snv_84 Sun OpenSolaris build snv_83 Sun OpenSolaris build snv_82 Sun OpenSolaris build snv_81 Sun OpenSolaris build snv_80 Sun OpenSolaris build snv_78 Sun OpenSolaris build snv_77 Sun OpenSolaris build snv_76 Sun OpenSolaris build snv_68 Sun OpenSolaris build snv_67 Sun OpenSolaris build snv_64 Sun OpenSolaris build snv_61 Sun OpenSolaris build snv_59 Sun OpenSolaris build snv_57 Sun OpenSolaris build snv_50 Sun OpenSolaris build snv_39 Sun OpenSolaris build snv_36 Sun OpenSolaris build snv_29 Sun OpenSolaris build snv_22 Sun OpenSolaris build snv_19 Sun OpenSolaris build snv_13 Sun OpenSolaris build snv_110 Sun OpenSolaris build snv_108 Sun OpenSolaris build snv_107 Sun OpenSolaris build snv_106 Sun OpenSolaris build snv_105 Sun OpenSolaris build snv_104 Sun OpenSolaris build snv_104 Sun OpenSolaris build snv_103 Sun OpenSolaris build snv_102 Sun OpenSolaris build snv_101a Sun OpenSolaris build snv_101 Sun OpenSolaris build snv_100 Sun OpenSolaris build snv_02 Sun OpenSolaris build snv_01 Sun OpenSolaris 0 Avaya Interactive Response 4.0 Avaya Interactive Response 3.0 Avaya CMS Server 15.0
Not Vulnerable:	Sun OpenSolaris build snv_111

Sun Solaris NFS Version 4 Server Kernel Module Local Denial Of Service Vulnerability

The Sun Solaris NFSv4 Server kernel module is prone to an unspecified local denial-of-service vulnerability.

Local attackers may exploit this issue to hang the NFS server, denying service to legitimate users.

Sun Solaris NFS Version 4 Server Kernel Module Local Denial Of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Sun Solaris NFS Version 4 Server Kernel Module Local Denial Of Service Vulnerability

Solution:
The vendor has released an advisory and fixes. Please see the references for more information.


Sun Solaris 10_sparc

• Sun 139462-02
  Sparc
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -139462-02-1

Sun Solaris 10_x86

• Sun 139463-02
  x86
  http://sunsolve.sun.com/search/document.do?assetkey=urn:cds:docid:1-21 -139463-02-1

Sun Solaris NFS Version 4 Server Kernel Module Local Denial Of Service Vulnerability

References:

• Sun Solaris Homepage (Sun Microsystems)
  
• ASA-2009-090 - Denial of Service (DoS) Vulnerability in NFSv4 Server Kernel Modu (Avaya)
  
• Solution 252469 : Denial of Service (DoS) Vulnerability in NFSv4 Server Kerne (Sun)