Memcached version 1.5.5 contains an Insufficient Control of Network Message...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHBA-2018:2140
- https://access.redhat.com/errata/RHSA-2018:1593
- https://usn.ubuntu.com/3588-1/
- https://github.com/memcached/memcached/wiki/ReleaseNotes156
- https://www.exploit-db.com/exploits/44264/
- https://twitter.com/dormando/status/968579781729009664
- https://www.exploit-db.com/exploits/44265/
- https://github.com/memcached/memcached/commit/dbb7a8af90054bf4ef51f5814ef7ceb17d83d974
- https://access.redhat.com/errata/RHSA-2018:2857
- https://access.redhat.com/errata/RHSA-2018:1627
- https://access.redhat.com/errata/RHSA-2018:2331
- https://www.debian.org/security/2018/dsa-4218
- https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html
- https://github.com/memcached/memcached/issues/348
- https://www.synology.com/support/security/Synology_SA_18_07
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.