==========================================================================
Ubuntu Security Notice USN-2579-1
April 27, 2015
autofs vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.10
Summary:
autofs could be made to run programs as an administrator if program maps
were configured.
Software Description:
– autofs: kernel-based automounter for Linux
Details:
It was discovered that autofs incorrectly filtered environment variables
when using program maps. When program maps were configured, a local user
could use this issue to escalate privileges.
This update changes the default behaviour by adding a prefix to environment
variables. Sites using program maps will need to adapt to the new variable
names, or revert to the previous names by using a new configuration option
called FORCE_STANDARD_PROGRAM_MAP_ENV.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
autofs 5.0.8-1ubuntu1.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2579-1
CVE-2014-8169
Package Information:
https://launchpad.net/ubuntu/+source/autofs/5.0.8-1ubuntu1.1
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