USN-2617-3: NTFS-3G vulnerability

27 May 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References