CVE-2018-8777

Public on 2018-04-03
Modified on 2019-08-27
Description
It was found that WEBrick could be forced to use an excessive amount of memory during the processing of HTTP requests, leading to a Denial of Service. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory.
Severity
Medium severity
Medium
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core ruby 2019-08-23 ALAS2-2019-1276 Fixed
Amazon Linux 1 ruby20 2018-04-04 ALAS-2018-983 Fixed
Amazon Linux 1 ruby22 2018-04-04 ALAS-2018-983 Fixed
Amazon Linux 1 ruby23 2018-04-04 ALAS-2018-983 Fixed
Amazon Linux 1 ruby24 2018-04-04 ALAS-2018-983 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H