Amazon Linux 2 : NetworkManager (ALAS-2019-1144)

High Nessus Plugin ID 121053

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

It was discovered that systemd-network does not correctly keep track of a buffer size when constructing DHCPv6 packets. This flaw may lead to an integer underflow that can be used to produce an heap-based buffer overflow. A malicious host on the same network segment as the victim's one may advertise itself as a DHCPv6 server and exploit this flaw to cause a Denial of Service or potentially gain code execution on the victim's machine.(CVE-2018-15688)

Solution

Run 'yum update NetworkManager' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1144.html

Plugin Details

Severity: High

ID: 121053

File Name: al2_ALAS-2019-1144.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2019/01/10

Updated: 2019/01/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:NetworkManager, p-cpe:/a:amazon:linux:NetworkManager-adsl, p-cpe:/a:amazon:linux:NetworkManager-bluetooth, p-cpe:/a:amazon:linux:NetworkManager-config-server, p-cpe:/a:amazon:linux:NetworkManager-debuginfo, p-cpe:/a:amazon:linux:NetworkManager-dispatcher-routing-rules, p-cpe:/a:amazon:linux:NetworkManager-glib, p-cpe:/a:amazon:linux:NetworkManager-glib-devel, p-cpe:/a:amazon:linux:NetworkManager-libnm, p-cpe:/a:amazon:linux:NetworkManager-libnm-devel, p-cpe:/a:amazon:linux:NetworkManager-ppp, p-cpe:/a:amazon:linux:NetworkManager-team, p-cpe:/a:amazon:linux:NetworkManager-tui, p-cpe:/a:amazon:linux:NetworkManager-wifi, p-cpe:/a:amazon:linux:NetworkManager-wwan, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 2019/01/09

Reference Information

CVE: CVE-2018-15688

ALAS: 2019-1144