USN-4112-1: Ceph vulnerability

29 August 2019

ceph vulnerability

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

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS

Summary

Ceph could be made to crash if it received specially crafted network traffic.

Software Description

  • ceph - distributed storage and file system

Details

Abhishek Lekshmanan discovered that the RADOS gateway implementation in Ceph did not handle client disconnects properly in some situations. A remote attacker could use this to cause a denial of service.

Update instructions

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

Ubuntu 19.04
ceph - 13.2.6-0ubuntu0.19.04.3
radosgw - 13.2.6-0ubuntu0.19.04.3
Ubuntu 18.04 LTS
ceph - 12.2.12-0ubuntu0.18.04.2
radosgw - 12.2.12-0ubuntu0.18.04.2

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