==========================================================================
Ubuntu Security Notice USN-4304-1
March 17, 2020
ceph vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 18.04 LTS
Summary:
Ceph could be made to stop responding if it received specially crafted
network traffic.
Software Description:
– ceph: distributed storage and file system
Details:
Or Friedman discovered that Ceph incorrectly handled disconnects. A remote
authenticated attacker could possibly use this issue to cause Ceph to
consume resources, leading to a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
ceph 14.2.4-0ubuntu0.19.10.2
ceph-base 14.2.4-0ubuntu0.19.10.2
ceph-common 14.2.4-0ubuntu0.19.10.2
Ubuntu 18.04 LTS:
ceph 12.2.12-0ubuntu0.18.04.5
ceph-base 12.2.12-0ubuntu0.18.04.5
ceph-common 12.2.12-0ubuntu0.18.04.5
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4304-1
CVE-2020-1700
Package Information:
https://launchpad.net/ubuntu/+source/ceph/14.2.4-0ubuntu0.19.10.2
https://launchpad.net/ubuntu/+source/ceph/12.2.12-0ubuntu0.18.04.5
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