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CVE-2018-5733

Public on 2018-04-05
Modified on 2018-04-05
Description

A denial of service flaw was found in the way dhcpd handled reference counting when processing client requests. A malicious DHCP client could use this flaw to trigger a reference count overflow on the server side, potentially causing dhcpd to crash, by sending large amounts of traffic.

Severity
Medium
See what this means
CVSS v3 Base Score
5.9
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 dhcp 2018-04-05 15:52 ALAS-2018-984
Amazon Linux 2 - Core dhcp 2018-04-05 16:07 ALAS2-2018-984

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H