[USN-3914-1] NTFS-3G vulnerability

Chris Coulson chris.coulson at canonical.com
Thu Mar 21 16:32:39 UTC 2019

Ubuntu Security Notice USN-3914-1
March 21, 2019

ntfs-3g vulnerability

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


NTFS-3G could be made to crash or potentially run programs as an
administrator if executed with specially crafted arguments.

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


A heap buffer overflow was discovered in NTFS-3G when executing it with a
relative mount point path that is too long. A local attacker could
potentially exploit this to execute arbitrary code as the administrator.

Update instructions:

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

Ubuntu 18.10:
  ntfs-3g                         1:2017.3.23-2ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  ntfs-3g                         1:2017.3.23-2ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  ntfs-3g                         1:2015.3.14AR.1-1ubuntu0.2

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


Package Information:
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