Detections
Analytics

Amazon Linux 2 : freeradius (ALAS-2019-1218)

critical Nessus Plugin ID 125601

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Synopsis

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

Description

FreeRADIUS mishandles the 'each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used' protection mechanism, aka a 'Dragonblood' issue, a similar issue to CVE-2019-9498 and CVE-2019-9499 .(CVE-2019-11235)

FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a 'Dragonblood' issue, a similar issue to CVE-2019-9497 .(CVE-2019-11234)

Solution

Run 'yum update freeradius' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2019-1218.html

Plugin Details

Severity: Critical

ID: 125601

File Name: al2_ALAS-2019-1218.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/31/2019

Updated: 1/13/2020

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:freeradius, p-cpe:/a:amazon:linux:freeradius-debuginfo, p-cpe:/a:amazon:linux:freeradius-devel, p-cpe:/a:amazon:linux:freeradius-doc, p-cpe:/a:amazon:linux:freeradius-krb5, p-cpe:/a:amazon:linux:freeradius-ldap, p-cpe:/a:amazon:linux:freeradius-mysql, p-cpe:/a:amazon:linux:freeradius-perl, p-cpe:/a:amazon:linux:freeradius-postgresql, p-cpe:/a:amazon:linux:freeradius-python, p-cpe:/a:amazon:linux:freeradius-sqlite, p-cpe:/a:amazon:linux:freeradius-unixodbc, p-cpe:/a:amazon:linux:freeradius-utils, cpe:/o:amazon:linux:2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/30/2019

Vulnerability Publication Date: 4/22/2019

Reference Information

CVE: CVE-2019-11234, CVE-2019-11235

ALAS: 2019-1218