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Ubuntu Security Notice USN-4000-1
May 30, 2019
corosync vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
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
Details:
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.
References:
https://usn.ubuntu.com/usn/usn-4000-1
CVE-2018-1084
Package Information:
https://launchpad.net/ubuntu/+source/corosync/2.4.3-0ubuntu1.1
https://launchpad.net/ubuntu/+source/corosync/2.3.5-3ubuntu2.3—–BEGIN PGP SIGNATURE—–
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