Vulnerability Details CVE-2018-1000115
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.865
EPSS Ranking 99.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://access.redhat.com/errata/RHBA-2018:2140
- https://access.redhat.com/errata/RHSA-2018:1593
- https://access.redhat.com/errata/RHSA-2018:1627
- https://access.redhat.com/errata/RHSA-2018:2331
- https://access.redhat.com/errata/RHSA-2018:2857
- https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
- https://github.com/memcached/memcached/commit/dbb7a8af90054bf4ef51f5814ef7ceb17d83d974
- https://github.com/memcached/memcached/issues/348
- https://github.com/memcached/memcached/wiki/ReleaseNotes156
- https://twitter.com/dormando/status/968579781729009664
- https://usn.ubuntu.com/3588-1/
- https://www.debian.org/security/2018/dsa-4218
- https://www.exploit-db.com/exploits/44264/
- https://www.exploit-db.com/exploits/44265/
- https://www.synology.com/support/security/Synology_SA_18_07
- https://access.redhat.com/errata/RHBA-2018:2140
- https://access.redhat.com/errata/RHSA-2018:1593
- https://access.redhat.com/errata/RHSA-2018:1627
- https://access.redhat.com/errata/RHSA-2018:2331
- https://access.redhat.com/errata/RHSA-2018:2857
- https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
- https://github.com/memcached/memcached/commit/dbb7a8af90054bf4ef51f5814ef7ceb17d83d974
- https://github.com/memcached/memcached/issues/348
- https://github.com/memcached/memcached/wiki/ReleaseNotes156
- https://twitter.com/dormando/status/968579781729009664
- https://usn.ubuntu.com/3588-1/
- https://www.debian.org/security/2018/dsa-4218
- https://www.exploit-db.com/exploits/44264/
- https://www.exploit-db.com/exploits/44265/
- https://www.synology.com/support/security/Synology_SA_18_07
Products affected by CVE-2018-1000115
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cpe:2.3:a:memcached:memcached:1.5.5
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cpe:2.3:a:redhat:openstack:10
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cpe:2.3:a:redhat:openstack:11
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cpe:2.3:a:redhat:openstack:12
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cpe:2.3:a:redhat:openstack:8
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cpe:2.3:a:redhat:openstack:9
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:17.10
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0