Ubuntu 19.10: USN-4249-1 Critical: e2fsprogs Arbitrary Code Execution

ubuntu

January 23, 2020

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

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.

Topics Covered

security advisory Ubuntu system update e2fsprogs arbitrary code execution

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.