[USN-4000-1] Corosync vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Thu May 30 17:25:41 UTC 2019

Ubuntu Security Notice USN-4000-1
May 30, 2019

corosync vulnerability

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


Corosync could be made to crash or execute arbitrary code if it
received a specially crafted request.

Software Description:
- corosync: cluster engine daemon and utilities


It was discovered that Corosync incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code.

Update instructions:

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

Ubuntu 18.04 LTS:
  corosync                        2.4.3-0ubuntu1.1
  libtotem-pg5                    2.4.3-0ubuntu1.1

Ubuntu 16.04 LTS:
  corosync                        2.3.5-3ubuntu2.3
  libtotem-pg5                    2.3.5-3ubuntu2.3

After a standard system update you need to restart Corosync to make
all the necessary changes.


Package Information:
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: This is a digitally signed message part
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20190530/a2fe427a/attachment.sig>

More information about the ubuntu-security-announce mailing list