Detections
Analytics
Amazon Linux 2 : unbound (ALAS-2020-1430)
high Nessus Plugin ID 136753
Language:
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of unbound installed on the remote host is prior to 1.6.6-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1430 advisory.infinite loop via malformed DNS answers received from upstream servers (CVE-2020-12663)
insufficient control of network message volume leads to DoS (CVE-2020-12662)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update unbound' to update your system.See Also
https://access.redhat.com/security/cve/CVE-2020-12662
Plugin Details
Severity: High
ID: 136753
File Name: al2_ALAS-2020-1430.nasl
Version: 1.4
Type: local
Agent: unix
Published: 5/21/2020
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-12663
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/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:amazon:linux:unbound-python, p-cpe:/a:amazon:linux:unbound-devel, p-cpe:/a:amazon:linux:unbound-libs, p-cpe:/a:amazon:linux:unbound-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:unbound
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 5/20/2020
Vulnerability Publication Date: 5/19/2020
Reference Information
CVE: CVE-2020-12662, CVE-2020-12663
ALAS: 2020-1430