CentOS 7 : unbound (CESA-2020:2414)

high Nessus Plugin ID 137281

Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2414 advisory.

- unbound: amplification of an incoming query into a large number of queries directed to a target (CVE-2020-12662)

- unbound: infinite loop via malformed DNS answers received from upstream servers (CVE-2020-12663)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected unbound packages.

See Also

http://www.nessus.org/u?e4a8b715

Plugin Details

Severity: High

ID: 137281

File Name: centos_RHSA-2020-2414.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/10/2020

Updated: 6/12/2020

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-12662

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:unbound, p-cpe:/a:centos:centos:unbound-devel, p-cpe:/a:centos:centos:unbound-libs, p-cpe:/a:centos:centos:unbound-python, cpe:/o:centos:centos:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/9/2020

Vulnerability Publication Date: 5/19/2020

Reference Information

CVE: CVE-2020-12662, CVE-2020-12663

RHSA: 2020:2414