Several security issues were fixed in Memcached.
Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service (daemon crash). (CVE-2017-9951)
5 March 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Memcached.
Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service (daemon crash). (CVE-2017-9951)
It was discovered that Memcached listened to UDP by default. A remote attacker could use this as part of a distributed denial of service attack. (CVE-2018-1000115)
The problem can be corrected by updating your system to the following package versions:
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.
Please note that after applying this update, Memcached will no longer listen to UDP by default. If UDP service is desired, please add ‘-U 11211’ to /etc/memcached.conf and restart the memcached service.
Vulmon