CVE-2019-0199
Public on 2019-04-10
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
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | tomcat8 | 2019-05-16 | ALAS-2019-1208 | Fixed |
| Amazon Linux 1 | tomcat8 | 2019-07-17 | ALAS-2019-1234 | 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 |