Public Date:
1695042: CVE-2019-0197 httpd: mod_http2: possible crash on late upgrade

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2019-0197 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 4.2
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact Low

Affected Packages State

Platform Package State
Red Hat Virtualization 4 rhvm-appliance Not affected
Red Hat Software Collections for Red Hat Enterprise Linux httpd24-httpd Affected
Red Hat JBoss EWS 2 httpd Under investigation
Red Hat JBoss Core Services 1 httpd Under investigation
Red Hat Enterprise Linux 8 httpd:2.4/mod_http2 Affected
Red Hat Enterprise Linux 8 httpd:2.4/httpd Not affected
Red Hat Enterprise Linux 7 httpd Not affected
Red Hat Enterprise Linux 6 httpd Not affected
Red Hat Enterprise Linux 5 httpd Not affected

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation