Sun Solaris NFS Daemon (nfsd(1M)) Security Bypass Vulnerability

Bugtraq ID:	34062
Class:	Design Error
CVE:	CVE-2009-0873
Remote:	Yes
Local:	No
Published:	Mar 09 2009 12:00AM
Updated:	Mar 24 2009 12:36PM
Credit:	Sun
Vulnerable:	Sun Solaris 10.0_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_105 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 Avaya Interactive Response 4.0 Avaya Interactive Response 3.0 Avaya CMS Server 15.0
Not Vulnerable:	Sun OpenSolaris build snv_106

Sun Solaris NFS Daemon (nfsd(1M)) Security Bypass Vulnerability

Sun Solaris NFS Daemon 'nfsd(1M)' is prone to a security-bypass vulnerability because it fails to properly implement access controls.

An attacker can exploit this issue to bypass intended security restrictions and then access potentially sensitive shared files.

Solaris 10 and OpenSolaris builds prior to snv_106 are vulnerable.

Sun Solaris NFS Daemon (nfsd(1M)) Security Bypass Vulnerability

An attacker uses system utilities to carry out this attack.

Sun Solaris NFS Daemon (nfsd(1M)) Security Bypass Vulnerability

Solution:
The vendor has released fixes to address this issue. Please see the references for more information.

Sun Solaris NFS Daemon (nfsd(1M)) Security Bypass Vulnerability

References:

• 250306 http://sunsolve.sun.com/search/document.do?assetkey=1-66-250306-1 (Sun)
  
• ASA-2009-096 A Security Vulnerability in the Solaris NFS Daemon (nfsd(1M)) (Avaya)