Rapid7 Vulnerability & Exploit Database

Apache HTTPD: DoS for HTTP/2 connections by continuous SETTINGS (CVE-2018-11763)

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Apache HTTPD: DoS for HTTP/2 connections by continuous SETTINGS (CVE-2018-11763)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
09/25/2018
Created
03/19/2019
Added
09/26/2018
Modified
02/21/2019

Description

By sending continous SETTINGS frames of maximum size an ongoing HTTP/2 connection could be kept busy and would never time out. This can be abused for a DoS on the server. This only affect a server that has enabled the h2 protocol.

Solution(s)

  • apache-httpd-upgrade-2_4_35

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