=========================================================================
Ubuntu Security Notice USN-4249-1
January 23, 2020

e2fsprogs vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

e2fsprogs could be made to execute arbitrary code if it was running
in a crafted ext4 partition.

Software Description:
- e2fsprogs: ext2/ext3/ext4 file system utilities

Details:

It was discovered that e2fsprogs incorrectly handled certain ext4 partitions.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions:

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

Ubuntu 19.10:
  e2fsprogs                       1.45.3-4ubuntu2.1

Ubuntu 19.04:
  e2fsprogs                       1.44.6-1ubuntu0.2

Ubuntu 18.04 LTS:
  e2fsprogs                       1.44.1-1ubuntu1.3

Ubuntu 16.04 LTS:
  e2fsprogs                       1.42.13-1ubuntu1.2

Ubuntu 14.04 ESM:
  e2fsprogs                       1.42.9-3ubuntu1.3+esm2

Ubuntu 12.04 ESM:
  e2fsprogs                       1.42-1ubuntu2.5

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

References:
  https://usn.ubuntu.com/4249-1
  CVE-2019-5188

Package Information:
  https://launchpad.net/ubuntu/+source/e2fsprogs/1.45.3-4ubuntu2.1
  https://launchpad.net/ubuntu/+source/e2fsprogs/1.44.6-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/e2fsprogs/1.44.1-1ubuntu1.3
  https://launchpad.net/ubuntu/+source/e2fsprogs/1.42.13-1ubuntu1.2