CVE-2018-1000115

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.

How to fix CVE-2018-1000115

To remediate CVE-2018-1000115, upgrade the affected package to a fixed version below.

• —upgrade to 1.4.33-r2 or later
• —upgrade to 1.5.6-1 or later

Is CVE-2018-1000115 being exploited?

Likely — EPSS is 86.8%, placing CVE-2018-1000115 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.

Affected packages (2)

• from 0, < 1.4.33-r2
• from 0, < 1.5.6-1

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2018-1000115
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2018-1000115