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Ubuntu Security Notice USN-2617-3

Ubuntu Security Notice USN-2617-3
Posted May 28, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2617-3 - USN-2617-1 fixed a vulnerability in NTFS-3G. The original patch did not completely address the issue. This update fixes the problem. Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative privileges. Various other issues were also addressed.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2015-3202
SHA-256 | 1255484ff9f93c5661a0fef4337e1736459756ca49856dd5213dffa7c723fe5d

Ubuntu Security Notice USN-2617-3

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2617-3
May 27, 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 NTFS-3G. The original patch did not
completely address the issue. This update fixes the problem.

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.3-1ubuntu0.2

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

References:
http://www.ubuntu.com/usn/usn-2617-3
http://www.ubuntu.com/usn/usn-2617-1
CVE-2015-3202

Package Information:
https://launchpad.net/ubuntu/+source/ntfs-3g/1:2014.2.15AR.3-1ubuntu0.2
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