Ubuntu Security Notice 3120-1 - Aleksandar Nikolic discovered that Memcached incorrectly handled certain malformed commands. A remote attacker could use this issue to cause Memcached to crash, resulting in a denial of service, or possibly execute arbitrary code.
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Ubuntu Security Notice USN-3120-1
November 02, 2016
memcached vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
Memcached could be made to crash or run programs if it received specially
crafted network traffic.
Software Description:
- memcached: high-performance memory object caching system
Details:
Aleksandar Nikolic discovered that Memcached incorrectly handled certain
malformed commands. A remote attacker could use this issue to cause
Memcached to crash, resulting in a denial of service, or possibly execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.10:
memcached 1.4.25-2ubuntu2.1
Ubuntu 16.04 LTS:
memcached 1.4.25-2ubuntu1.2
Ubuntu 14.04 LTS:
memcached 1.4.14-0ubuntu9.1
Ubuntu 12.04 LTS:
memcached 1.4.13-0ubuntu2.2
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-3120-1
CVE-2016-8704, CVE-2016-8705, CVE-2016-8706
Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.4.25-2ubuntu2.1
https://launchpad.net/ubuntu/+source/memcached/1.4.25-2ubuntu1.2
https://launchpad.net/ubuntu/+source/memcached/1.4.14-0ubuntu9.1
https://launchpad.net/ubuntu/+source/memcached/1.4.13-0ubuntu2.2