CVE-2019-0197

Public on 2019-04-04
Modified on 2019-08-06
Description
A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.
Severity
Low
CVSS v3 Base Score
4.2
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 httpd 2019-04-04 21:49 ALAS2-2019-1189
Amazon Linux 1 httpd24 2019-04-05 20:05 ALAS-2019-1189

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.2 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
NVD CVSSv2 4.9 AV:N/AC:M/Au:S/C:N/I:P/A:P
NVD CVSSv3 4.2 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L