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TITLE:
Sun Solaris NFS Daemon Multiple Security Mode Security Issue

SECUNIA ADVISORY ID:
SA34225

VERIFY ADVISORY:
http://secunia.com/advisories/34225/

DESCRIPTION:
A security issue has been reported in Sun Solaris, which can be
exploited by malicious users to bypass certain security
restrictions.

An error in the Solaris NFS server grants multiple security modes to
certain NFSv3 remote clients, which can be exploited to gain
unauthorised access to shared files.

The security issue is reported in Solaris 10 and OpenSolaris for both
the SPARC and x86 platforms.

NOTE: This affects only NFS servers that support NFSv3 and multiple
security modes.

SOLUTION:
Apply patches.

-- SPARC Platform --
 
Solaris 10:
Apply patch 139462-02 or later

OpenSolaris:
Fixed in builds snv_106 or later

-- x86 Platform --

Solaris 10:
Apply patch 139463-02 or later

OpenSolaris:
Fixed in builds snv_106 or later

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Daniel Van Derveer.

ORIGINAL ADVISORY:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-250306-1

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