[USN-3888-1] GVfs vulnerability

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Ubuntu Security Notice USN-3888-1
February 12, 2019

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS

Summary:

GVfs could be made to expose sensitive information if it received
a specially crafted input.

Software Description:
- gvfs: userspace virtual filesystem - GIO module

Details:

It was discovered that GVfs incorrectly handled certain inputs. An
attacker could possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 18.10:
  gvfs                            1.38.1-0ubuntu1.2
  gvfs-backends                   1.38.1-0ubuntu1.2

Ubuntu 18.04 LTS:
  gvfs                            1.36.1-0ubuntu1.3
  gvfs-backends                   1.36.1-0ubuntu1.3

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

References:
  https://usn.ubuntu.com/usn/usn-3888-1
  CVE-2019-3827

Package Information:
  https://launchpad.net/ubuntu/+source/gvfs/1.38.1-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/gvfs/1.36.1-0ubuntu1.3