Debian DSA-4544-1 : unbound - security update

high Nessus Plugin ID 129985

Synopsis

The remote Debian host is missing a security-related update.

Description

X41 D-Sec discovered that unbound, a validating, recursive, and caching DNS resolver, did not correctly process some NOTIFY queries.
This could lead to remote denial-of-service by application crash.

Solution

Upgrade the unbound packages.

For the stable distribution (buster), this problem has been fixed in version 1.9.0-2+deb10u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941692

https://security-tracker.debian.org/tracker/source-package/unbound

https://packages.debian.org/source/buster/unbound

https://www.debian.org/security/2019/dsa-4544

Plugin Details

Severity: High

ID: 129985

File Name: debian_DSA-4544.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/17/2019

Updated: 4/18/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, 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-2019-16866

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: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:unbound

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2019

Vulnerability Publication Date: 10/3/2019

Reference Information

CVE: CVE-2019-16866

DSA: 4544