CVE-2019-0199

Public on 2019-05-16
Modified on 2019-07-25
Description
A flaw was found in Apache Tomcat, where the HTTP/2 implementation accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open, which enables them to cause server-side threads to block. This flaw eventually leads to a denial of service attack.
Severity
Important
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 tomcat8 2019-07-17 23:21 ALAS-2019-1234
Amazon Linux 1 tomcat8 2019-05-16 23:11 ALAS-2019-1208
Amazon Linux 1 tomcat8 2019-07-17 23:21 ALAS-2019-1234
Amazon Linux 1 tomcat8 2019-05-16 23:11 ALAS-2019-1208

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