USN-3182-1: NTFS-3G vulnerability

1 February 2017

ntfs-3g vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS

Summary

NTFS-3G could be made to load kernel modules as an administrator.

Software Description

  • ntfs-3g - read/write NTFS driver for FUSE

Details

Jann Horn discovered that NTFS-3G incorrectly filtered environment variables when using the modprobe utility. A local attacker could possibly use this issue to load arbitrary kernel modules.

Update instructions

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

Ubuntu 16.10
ntfs-3g - 1:2016.2.22AR.1-3ubuntu0.1
Ubuntu 16.04 LTS
ntfs-3g - 1:2015.3.14AR.1-1ubuntu0.1

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