Amazon Linux AMI : memcached (ALAS-2018-964)
Medium Nessus Plugin ID 107235
SynopsisThe remote Amazon Linux AMI host is missing a security update.
DescriptionIt was discovered that the memcached daemon listened on UDP port 11211 by default. An attacker could use memcached for UDP amplification denial-of-service attacks. The UDP port has been disabled by default, but can still be enabled.
It was discovered that the memcached connections using UDP transport protocol can be abused for efficient traffic amplification distributed denial of service (DDoS) attacks. A remote attacker could send a malicious UDP request using a spoofed source IP address of a target system to memcached, causing it to send a significantly larger response to the target. (CVE-2018-1000115)
SolutionRun 'yum update memcached' to update your system.