FreeBSD : Apache httpd -- denial of service in HTTP/2 (cb0bf1ec-bb92-11e6-a9a5-b499baebfeaf)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

mod_http2 reports :

The Apache HTTPD web server (from 2.4.17-2.4.23) did not apply
limitations on request headers correctly when experimental module for
the HTTP/2 protocol is used to access a resource.

The net result is that a the server allocates too much memory instead
of denying the request. This can lead to memory exhaustion of the
server by a properly crafted request.

See also :

http://www.nessus.org/u?61779cd5
https://github.com/icing/mod_h2/releases/tag/v1.8.3
http://www.nessus.org/u?2b4d5e52

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 95586 ()

Bugtraq ID:

CVE ID: CVE-2016-8740

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