Amazon Linux 2 : mod_http2 (ALAS-2018-1104)
medium Nessus Plugin ID 118835
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VPR Score: 4.4
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
In Apache HTTP Server, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.(CVE-2018-11763)Solution
Run 'yum update mod_http2' to update your system.See Also
Plugin Details
Severity: Medium
ID: 118835
File Name: al2_ALAS-2018-1104.nasl
Version: 1.2
Type: local
Agent: unix
Published: 11/9/2018
Updated: 1/23/2019
Dependencies: ssh_get_info.nasl
Risk Information
Risk Factor: Medium
VPR Score: 4.4
CVSS v2.0
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS v3.0
Base Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:mod_http2, p-cpe:/a:amazon:linux:mod_http2-debuginfo, cpe:/o:amazon:linux:2
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Patch Publication Date: 11/8/2018
Reference Information
CVE: CVE-2018-11763
ALAS: 2018-1104