Scientific Linux Security Update : unbound on SL6.x i386/x86_64 (20200622)

high Nessus Plugin ID 137742


The remote Scientific Linux host is missing one or more security updates.


Security Fix(es) :

- 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)


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 137742

File Name: sl_20200622_unbound_on_SL6_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/23/2020

Updated: 3/6/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: Low

Score: 3.6


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


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:fermilab:scientific_linux:unbound, p-cpe:/a:fermilab:scientific_linux:unbound-debuginfo, p-cpe:/a:fermilab:scientific_linux:unbound-devel, p-cpe:/a:fermilab:scientific_linux:unbound-libs, p-cpe:/a:fermilab:scientific_linux:unbound-python, x-cpe:/o:fermilab:scientific_linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/22/2020

Vulnerability Publication Date: 5/19/2020

Reference Information

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