Ubuntu Security Notice 4125-1 - It was discovered that Memcached incorrectly handled certain UNIX sockets. An attacker could possibly use this issue to access sensitive information.
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Ubuntu Security Notice USN-4125-1
September 09, 2019
memcached vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Memcached could be made to expose sensitive information if it
received a specially crafted UNIX socket.
Software Description:
- memcached: high-performance memory object caching system
Details:
It was discovered that Memcached incorrectly handled certain UNIX sockets.
An attacker could possibly use this issue to access sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
memcached 1.5.10-0ubuntu1.19.04.2
Ubuntu 18.04 LTS:
memcached 1.5.6-0ubuntu1.2
Ubuntu 16.04 LTS:
memcached 1.4.25-2ubuntu1.5
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4125-1
CVE-2019-15026
Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.19.04.2
https://launchpad.net/ubuntu/+source/memcached/1.5.6-0ubuntu1.2
https://launchpad.net/ubuntu/+source/memcached/1.4.25-2ubuntu1.5