CVE-2018-17189

Public on 2019-01-30

Modified on 2019-04-26

Description

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.

Severity

Low

See what this means

CVSS v3 Base Score

4.3

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 1	httpd24	2019-03-06 22:21	ALAS-2019-1166
Amazon Linux 2 - Core	mod_http2	2019-04-25 16:39	ALAS2-2019-1197

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	4.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD	CVSSv2	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD	CVSSv3	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Red Hat: CVE-2018-17189 Mitre: CVE-2018-17189 FAQs regarding Amazon Linux ALAS/CVE Severity