Ubuntu Security Notice USN-3120-1
2nd November, 2016
memcached vulnerabilities
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
– A 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 version:
- 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
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.