Detections
Analytics
CVE-2018-1000115
high
Description
Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume (Network Amplification, CWE-406) vulnerability in the UDP support of the memcached server that can result in denial of service via network flood (traffic amplification of 1:50,000 has been reported by reliable sources). This attack appear to be exploitable via network connectivity to port 11211 UDP. This vulnerability appears to have been fixed in 1.5.6 due to the disabling of the UDP protocol by default.
References
https://www.synology.com/support/security/Synology_SA_18_07
https://www.exploit-db.com/exploits/44265/
https://www.exploit-db.com/exploits/44264/
https://www.debian.org/security/2018/dsa-4218
https://usn.ubuntu.com/3588-1/
https://twitter.com/dormando/status/968579781729009664
https://github.com/memcached/memcached/wiki/ReleaseNotes156
https://github.com/memcached/memcached/issues/348
https://github.com/memcached/memcached/commit/dbb7a8af90054bf4ef51f5814ef7ceb17d83d974
https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
https://access.redhat.com/errata/RHSA-2018:2857
https://access.redhat.com/errata/RHSA-2018:2331
https://access.redhat.com/errata/RHSA-2018:1627