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Ubuntu Security Notice USN-2617-2
May 22, 2015

ntfs-3g vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 15.04

Summary:

NTFS-3G could be made to overwrite files as the administrator.

Software Description:
– ntfs-3g: read/write NTFS driver for FUSE

Details:

USN-2617-1 fixed a vulnerability in FUSE. This update provides the
corresponding fix for the embedded FUSE copy in NTFS-3G.

Original advisory details:

Tavis Ormandy discovered that FUSE incorrectly filtered environment
variables. A local attacker could use this issue to gain administrative
privileges.

Update instructions:

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

Ubuntu 15.04:
ntfs-3g 1:2014.2.15AR.3-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2617-2
http://www.ubuntu.com/usn/usn-2617-1
CVE-2015-3202

Package Information:
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2014.2.15AR.3-1ubuntu0.1

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