USN-687-1: nfs-utils vulnerability

Publication date

4 December 2008

Overview

nfs-utils vulnerability


Packages

Details

It was discovered that nfs-utils did not properly enforce netgroup
restrictions when using TCP Wrappers. Remote attackers could bypass the
netgroup restrictions enabled by the administrator and possibly gain
access to sensitive information.

It was discovered that nfs-utils did not properly enforce netgroup
restrictions when using TCP Wrappers. Remote attackers could bypass the
netgroup restrictions enabled by the administrator and possibly gain
access to sensitive information.

Update instructions

After a standard system upgrade you need to restart nfs services to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
8.10 intrepid nfs-kernel-server –  1:1.1.2-4ubuntu1.1
8.04 hardy nfs-kernel-server –  1:1.1.2-2ubuntu2.2
7.10 gutsy nfs-kernel-server –  1:1.1.1~git-20070709-3ubuntu1.1
6.06 dapper nfs-kernel-server –  1:1.0.7-3ubuntu2.1

Reduce your security exposure

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