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FreeBSD : Apache -- Denial of service vulnerability in HTTP/2 (e182c076-c189-11e8-a6d2-b499baebfeaf)

medium Nessus Plugin ID 117724

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The Apache httpd project reports :

low: DoS for HTTP/2 connections by continuous SETTINGS

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

Update the affected package.

See Also

http://httpd.apache.org/security/vulnerabilities_24.html

http://www.nessus.org/u?726f0f45

Plugin Details

Severity: Medium

ID: 117724

File Name: freebsd_pkg_e182c076c18911e8a6d2b499baebfeaf.nasl

Version: 1.6

Type: local

Published: 9/27/2018

Updated: 3/21/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-11763

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:apache24, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 9/26/2018

Vulnerability Publication Date: 9/25/2018

Reference Information

CVE: CVE-2018-11763