Synology-SA-18:07 Memcached

Publish Time: 2018-03-14 14:09:46 UTC+8

Last Updated: 2018-03-14 14:29:42 UTC+8

Severity
Important
Status
Resolved

Abstract

CVE-2018-1000115 vulnerability allows remote attackers to conduct amplification attacks via a susceptible version of MailPlus Server.

Affected Products

Product Severity Fixed Release Availability
MailPlus Server Important Upgrade to 2.0.1-0532 or above.

Mitigation

If you need immediate assistance, please contact security@synology.com.

Detail

  • CVE-2018-1000115
    • Severity: Important
    • CVSS3 Base Score: 5.3
    • CVSS3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    • 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.

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000115

Revision

Revision Date Description
1 2018-03-14 Initial public release.